Earbuds / Compare

Razer Hammerhead V3 HyperSpeed vs soundcore P42i

A

Product A: Razer

Hammerhead V3 HyperSpeed

64 of 166 known

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B

Product B: soundcore

P42i

80 of 166 known

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Every value links to where we found it.

Only differences

ARazer Hammerhead V3 HyperSpeed

Bsoundcore P42i

General

7 of 8 differ

Series

Hammerhead1Maker product pagerazer.com/mobile-earphones/razer-hammerhead-v3-hyperspeedRead 15 October 2026The maker's Hammerhead V3 line. The newsroom post names the line Hammerhead V3.

Not available

Model numbersiMaker identifiers for this exact model and its listed variants. Excludes sibling models and other generations.

RZ12-05610100-R3U1, RZ12-05610100-R3G1, RZ12-05610100-R3A11Maker product pagerazer.com/mobile-earphones/razer-hammerhead-v3-hyperspeedRead 15 October 2026US store SKU RZ12-05610100-R3U1 in the page product data. The EU and Japan models are in the other sources.6Maker spec sheet (PDF)prtimes.jp/aRead 15 October 2026Japan model RZ12-05610100-R3A1.12Retailer pagenordicgamesupply.com/products/razer-hammerhead-v3-hyperspeedRead 15 October 2026Retailers list the European model RZ12-05610100-R3G1 in black.

D1205, D1205Z11, D1205Z21, D1205Z31, D1205ZQ1, D1205G11, D1205G21, D1205G31, D1205GQ1, D1205N11, D1205N21, D1205N31, D1205NQ11Maker product pageus.soundcore.com/products/d1205-p42i-true-wireless-earbuds-with-adaptive-ancRead 14 October 2026US store variant SKUs D1205Z11 Black, D1205Z21 Oat White, D1205Z31 Navy Blue and D1205ZQ1 Purple, from the store's product data.15Maker product pageankerjapan.com/products/d1205Read 14 October 2026Japan model list: D1205N11 Black, D1205N21 Off White, D1205N31 Navy and D1205NQ1 Purple.17Maker product pageuk.soundcore.com/products/d1205-p42i-adaptive-anc-hi-res-audio-earbudsRead 14 October 2026UK store variant SKUs D1205G11 Black, D1205G21 Creamy White, D1205G31 Blue and D1205GQ1 Purple, from the store's product data.

GTIN / EAN

8887910061732, 45736267306766Maker spec sheet (PDF)prtimes.jp/aRead 15 October 2026JAN code 4573626730676 for the Japan model R3A1.12Retailer pagenordicgamesupply.com/products/razer-hammerhead-v3-hyperspeedRead 15 October 2026Nordic Game Supply product data lists the barcode 8887910061732. Scan UK, Komputronik and a French price site give the same EAN with model R3G1.

194644312381, 194644312398, 194644335762, 1946443357551Maker product pageus.soundcore.com/products/d1205-p42i-true-wireless-earbuds-with-adaptive-ancRead 14 October 2026Variant barcodes in the US store's product data. The UK and Canada stores list the same barcodes.

AnnouncediThe maker's first announcement of this model. This is separate from first retail availability.

9 April 20264Press releaserazer.com/newsroom/product-news/hammerhead-v3-lineRead 15 October 2026Razer newsroom post dated 9 April 2026.5Press releasezaikei.co.jp/releases/3387757Read 15 October 2026Release dated 9 April 2026 from Irvine, California.

2 July 202616Press articleav.watch.impress.co.jp/docs/news/2121578.htmlRead 14 October 2026Same article, published 2026-07-02. Taken as the announcement date because the product launched the same day.

Status

Available1Maker product pagerazer.com/mobile-earphones/razer-hammerhead-v3-hyperspeedRead 15 October 2026Buy button live at US$129.99 and the product data shows the item in stock.4Press releaserazer.com/newsroom/product-news/hammerhead-v3-lineRead 15 October 2026Launch post and the store page show the product on sale.

Available15Maker product pageankerjapan.com/products/d1205Read 14 October 2026On sale in Japan, with a stock warning on 2026-10-14.16Press articleav.watch.impress.co.jp/docs/news/2121578.htmlRead 14 October 2026Launched in Japan on 2026-07-02.

PredecessoriThe model this one directly replaced, in the same line, tier and size, as the maker or a trusted review names it.

Not available

soundcore P40i16Press articleav.watch.impress.co.jp/docs/news/2121578.htmlRead 14 October 2026The article calls it the next generation of the Soundcore P40i.22Press releaseprtimes.jp/main/html/rd/p/000000662.000016775.htmlRead 23 October 2026Anker Japan's press release calls the Soundcore P42i the next-generation model of the Soundcore P40i.

SuccessoriThe model that directly replaced this one, in the same line, tier and size. A revision such as a Slim or OLED model does not count when a next generation exists.

Not available

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Launch price (US)iThe maker's US launch MSRP for the stated configuration, excluding tax. Current store prices and later discounts do not qualify.

$129.991Maker product pagerazer.com/mobile-earphones/razer-hammerhead-v3-hyperspeedRead 15 October 2026US page price US$129.99. The launch release gives the same US$129.99 recommended price. Excludes sales tax.5Press releasezaikei.co.jp/releases/3387757Read 15 October 2026Japanese translation of the Razer global release: recommended price 129.99 USD.7Reviewsoundguys.com/razer-hammerhead-v3-hyperspeed-review-158180Read 15 October 2026Review spec box: original price 129.99 USD.

$79.9918Press articlesoundguys.com/soundcore-anker-p42i-wireless-earbuds-deal-162007Read 14 October 2026SoundGuys, 2026-08-25: the recommended retail price is 79.99 USD. The US store regular price matches. US prices are shown before tax.

Launch price (EU)iThe maker's euro launch price for the stated configuration, including VAT as published. Current store prices and later discounts do not qualify.

€139.993Maker product pagerazer.com/de-de/mobile-earphones/razer-hammerhead-v3-hyperspeedRead 15 October 2026German maker page price 139,99 EUR including VAT. The launch release gives the same 139.99 EUR recommended price.5Press releasezaikei.co.jp/releases/3387757Read 15 October 2026Same release: recommended price 139.99 EUR. Tax treatment is not stated and the German store price is incl. VAT.

Not available

MarketsiISO country or region codes where this exact model or variant is sold. A source page's language does not establish availability.

US, EU, JP1Maker product pagerazer.com/mobile-earphones/razer-hammerhead-v3-hyperspeedRead 15 October 2026US store page.3Maker product pagerazer.com/de-de/mobile-earphones/razer-hammerhead-v3-hyperspeedRead 15 October 2026German page of the Razer EU store. The EU English page shows the same price.6Maker spec sheet (PDF)prtimes.jp/aRead 15 October 2026Japan retail launch from 10 April 2026.

US, GB, JP1Maker product pageus.soundcore.com/products/d1205-p42i-true-wireless-earbuds-with-adaptive-ancRead 14 October 2026The US store sells it at 79.99 USD. The listing showed Sold out for all four colours on 2026-10-14.15Maker product pageankerjapan.com/products/d1205Read 14 October 2026Anker Japan official store.17Maker product pageuk.soundcore.com/products/d1205-p42i-adaptive-anc-hi-res-audio-earbudsRead 14 October 2026UK store sells it at 79.99 GBP.

ColoursiThe maker's own colour names

Black6Maker spec sheet (PDF)prtimes.jp/aRead 15 October 2026Colour row: black. The US product data shows one colour.

Black, Oat White, Navy Blue, Purple, Creamy White, Blue, Off White, Navy1Maker product pageus.soundcore.com/products/d1205-p42i-true-wireless-earbuds-with-adaptive-ancRead 14 October 202615Maker product pageankerjapan.com/products/d1205Read 14 October 2026Japan colours in the original are ブラック, オフホワイト, ネイビー and パープル. English names are translated here.17Maker product pageuk.soundcore.com/products/d1205-p42i-adaptive-anc-hi-res-audio-earbudsRead 14 October 2026UK colour names in the store's product data.

Segment

Gaming1Maker product pagerazer.com/mobile-earphones/razer-hammerhead-v3-hyperspeedRead 15 October 2026Page title: Razer Hammerhead V3 HyperSpeed Gaming Earbud. The maker sells it as gaming earbuds.

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Design

2 of 4 differ

Form factoriIn-ear seals the ear canal with a tip. Semi-in-ear rests in the outer ear without a seal. Open-ear leaves the ear canal unobstructed.

In-ear6Maker spec sheet (PDF)prtimes.jp/aRead 15 October 2026Headset type row: canal type, which is in-ear.

In-ear2Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000036800/en_US/000036800.pdfRead 14 October 2026Wearing guide: place the earbuds in the ear canal with ear tips.15Maker product pageankerjapan.com/products/d1205Read 14 October 2026Comparison table: canal type.

Bud shapeiStem describes an extending control or microphone stalk. Stemless describes a compact body without a stalk.

Stem8Reviewtechradar.com/gaming/razer-hammerhead-v3-hyperspeed-gaming-earbuds-reviewRead 15 October 2026Review: a basic stemmed in-ear design with a bulbous body.

Stem2Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000036800/en_US/000036800.pdfRead 14 October 2026Overview: touch control area on the earbud stems.

Use one bud aloneiWhich earbud can operate alone. This does not mean two earbuds can play from different sources.

Not available

Either bud5Maker product pageservice.soundcore.com/article-description/Can-I-use-the-left-or-right-soundcore-P42i-earbud-independentlyRead 14 October 2026FAQ: yes, put one earbud in the case and use the other on its own.

RGB lighting

Yes1Maker product pagerazer.com/mobile-earphones/razer-hammerhead-v3-hyperspeedRead 15 October 2026The case has a Chroma LED bar. It shows pairing, charging and alerts and TechRadar describes a rainbow pattern when the case opens. The earbuds have no lighting.8Reviewtechradar.com/gaming/razer-hammerhead-v3-hyperspeed-gaming-earbuds-reviewRead 15 October 2026Review: an RGB strip on the case lights in a rainbow pattern when the case opens and shows pairing and charging status. The Razer logo on the earbuds does not light.

Not available

Drivers and sound

9 of 17 differ

Drivers per budiAudio transducers in one earbud. Rows distinguish their type, acoustic role and published diameter. Do not count microphones.

ARazer Hammerhead V3 HyperSpeed

Type	Diameter (mm)
Dynamic	11

Source6Maker spec sheet (PDF)prtimes.jp/aRead 15 October 2026Driver type row: 11 mm dynamic. The sheet does not state a count per earbud or a role, so those are left out.

Bsoundcore P42i

Type	Diameter (mm)	Count per earbud
Dynamic	11	1

Source2Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000036800/en_US/000036800.pdfRead 14 October 2026SPECS table, last page: Driver Unit 11 mm. One driver per earbud is read from the single driver entry.15Maker product pageankerjapan.com/products/d1205Read 14 October 2026Specifications: driver size 11 mm dynamic driver.

Driver typeiPublished transducer technology. High-excursion, composite and neodymium do not by themselves establish a driver type.

Dynamic6Maker spec sheet (PDF)prtimes.jp/aRead 15 October 2026Driver type row: dynamic.

Dynamic15Maker product pageankerjapan.com/products/d1205Read 14 October 2026Specifications and comparison table: 11 mm dynamic driver.

Driver sizeiLargest explicitly published circular driver diameter in one earbud. A rectangular driver width is not a diameter.

11mm=CalculatedFrom Drivers per bud

11mm=CalculatedFrom Drivers per bud

Drivers per budiTotal audio transducers in one earbud, summed from explicit driver quantities. A row with an unknown quantity makes the total unknown.

Not available

1=CalculatedFrom Drivers per bud

Diaphragm material

Not available

Not available

Frequency responseiPublished acoustic frequency response of the earbuds. Codec transmission bandwidth alone does not qualify. Conditions belong in the source note.

Min20 HzMax20 kHz1Maker product pagerazer.com/mobile-earphones/razer-hammerhead-v3-hyperspeedRead 15 October 2026Tech Specs: Headphone Frequency Response 20 Hz to 20 kHz. Test conditions are not stated.6Maker spec sheet (PDF)prtimes.jp/aRead 15 October 2026Frequency response row: 20 Hz to 20 kHz.

Min20 HzMax40 kHz2Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000036800/en_US/000036800.pdfRead 14 October 2026SPECS table: Frequency Response 20 Hz - 40 kHz. Test conditions and codec are not stated.

Impedance

32Ω1Maker product pagerazer.com/mobile-earphones/razer-hammerhead-v3-hyperspeedRead 15 October 2026Tech Specs: Headphone Impedance 32 ohm.6Maker spec sheet (PDF)prtimes.jp/aRead 15 October 2026Impedance row: 32 ohm at 1 kHz.

14.2Ω2Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000036800/en_US/000036800.pdfRead 14 October 2026SPECS table: Impedance 14.2 ohm.

SensitivityiPublished acoustic sensitivity. The electrical reference and frequency must be stated in sensitivity_reference or the source note.

105dB1Maker product pagerazer.com/mobile-earphones/razer-hammerhead-v3-hyperspeedRead 15 October 2026Tech Specs: Headphone Sensitivity 105 dB. The Japan spec sheet gives the reference as dB SPL per mW at 1 kHz.6Maker spec sheet (PDF)prtimes.jp/aRead 15 October 2026Sensitivity row: 105 dB SPL per mW at 1 kHz.

Not available

Sensitivity reference

Per 1 mW6Maker spec sheet (PDF)prtimes.jp/aRead 15 October 2026Sensitivity row: dB SPL per mW at 1 kHz.

Not available

Max sample rateiHighest supported audio sample rate under the codec and source-device conditions in the source note. This does not establish lossless playback.

Not available

Not available

Max bit depthiHighest supported audio bit depth under the codec and source-device conditions in the source note. Bluetooth version alone does not establish this.

Not available

Not available

Adaptive EQiAn inner mic tunes the sound to your ear in real time

Not available

Not available

Personalised soundiA profile from a hearing test or ear scan

Not available

Yes8Maker product pageservice.soundcore.com/article-description/How-do-I-set-up-HearID-on-soundcore-P42iRead 14 October 2026FAQ: HearID creates a personalized EQ profile based on the listener's hearing preferences.

Onboard EQ

Not available

Not available

Custom EQ bandsiNumber of independently adjustable custom equalizer frequency bands. Availability may require current firmware, an app or a compatible device.

67Reviewsoundguys.com/razer-hammerhead-v3-hyperspeed-review-158180Read 15 October 2026Review, Razer Audio app version 10.32: no parametric EQ, but a custom preset can be built on a 6-band EQ.

Not available

EQ presetsiNamed equalizer sound presets. Noise-control modes and spatial-audio modes are separate features.

Gaming, Music, Movie2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/HAMMERHEADV3HYPERSPEED-00002657-en.pdfRead 15 October 2026Synapse, Audio equalizer: presets for gaming immersion, movie viewing and music. A manual change sets the preset to Custom, which is not stored as a preset.7Reviewsoundguys.com/razer-hammerhead-v3-hyperspeed-review-158180Read 15 October 2026Review names the Music, Gaming and Movie presets. TechRadar and CGMagazine count three presets plus a custom one.8Reviewtechradar.com/gaming/razer-hammerhead-v3-hyperspeed-gaming-earbuds-reviewRead 15 October 2026Review: three default EQ profiles for gaming, music and movies, plus a custom one.

Not available

Volume limit

Not available

Not available

Spatial audio

1 of 2 differ

Spatial audioiNamed spatial or surround audio processing supported with the source and platform conditions stated in the source note.

THX Spatial Audio1Maker product pagerazer.com/mobile-earphones/razer-hammerhead-v3-hyperspeedRead 15 October 2026Page FAQ: THX Spatial Audio on PC, integrated in Razer Synapse, with 7.1 surround sound.2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/HAMMERHEADV3HYPERSPEED-00002657-en.pdfRead 15 October 2026Activate THX Spatial Audio: 360 degree positional audio through Razer Synapse.

Spatial Audio7Maker product pageservice.soundcore.com/article-description/How-do-I-use-Spatial-Audio-on-soundcore-P42iRead 14 October 2026FAQ: Spatial Audio in the soundcore app under HearID. It reduces the playtime per charge. Head tracking is not mentioned.

Head trackingiSpatial audio changes with head movement. Static spatial processing alone does not qualify. Compatible device or content requirements belong in the source note.

Not available

Not available

Noise cancelling

4 of 11 differ

Active noise cancelling

Yes1Maker product pagerazer.com/mobile-earphones/razer-hammerhead-v3-hyperspeedRead 15 October 2026Page text: Hybrid Active Noise Cancellation.2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/HAMMERHEADV3HYPERSPEED-00002657-en.pdfRead 15 October 2026Using your earbuds, Utilizing the Active Noise Cancellation: a 2 second hold switches ANC on, ANC off and Ambient mode.6Maker spec sheet (PDF)prtimes.jp/aRead 15 October 2026ANC row: equipped.

Yes1Maker product pageus.soundcore.com/products/d1205-p42i-true-wireless-earbuds-with-adaptive-ancRead 14 October 2026Page names real-time adaptive ANC.2Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000036800/en_US/000036800.pdfRead 14 October 2026Ambient sound modes: Noise Canceling with Ultra ANC and Natural ANC.

ANC typeiFeedforward uses exterior microphones. Feedback uses interior microphones. Hybrid uses both. Adaptive control is separate from microphone placement.

Hybrid1Maker product pagerazer.com/mobile-earphones/razer-hammerhead-v3-hyperspeedRead 15 October 2026The maker names the system Hybrid Active Noise Cancellation. Stored as hybrid on that wording. The page does not describe the microphone layout.4Press releaserazer.com/newsroom/product-news/hammerhead-v3-lineRead 15 October 2026Launch post: Hybrid Active Noise Cancellation with up to 50 percent better noise reduction than the previous generation.

Not available

ANC microphones in both earbudsiPhysical microphones used by ANC across the pair. A shared call and ANC microphone counts once. Case microphones and vibration sensors are excluded.

Not available

Not available

Adaptive ANCiANC strength or calibration adjusts automatically to noise, fit or ear acoustics. The source note states the adjustment conditions.

Not available

Yes2Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000036800/en_US/000036800.pdfRead 14 October 2026Ambient sound modes: Adaptive mode detects changes in ambient noise and adjusts the noise canceling level.

ANC levelsiNumber of selectable ANC strength levels. Excludes ANC off, transparency and activity profiles unless they explicitly set distinct strength levels.

Not available

Not available

ANC attenuation (claimed)iManufacturer maximum claimed noise attenuation. Frequency and measurement conditions belong in the source note. This is not reviewer-measured overall attenuation.

Not available

55dB1Maker product pageus.soundcore.com/products/d1205-p42i-true-wireless-earbuds-with-adaptive-ancRead 14 October 2026Page: noise reduction up to 55 dB. Frequency and test method are not published.3Maker product pageservice.soundcore.com/article-description/soundcore-P42i-Specifications-FAQRead 14 October 2026FAQ: 55 dB noise reduction.

Transparency mode

Yes2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/HAMMERHEADV3HYPERSPEED-00002657-en.pdfRead 15 October 2026Utilizing the Active Noise Cancellation and the Enhancement subtab: Ambient mode lets external sounds in.6Maker spec sheet (PDF)prtimes.jp/aRead 15 October 2026Controls row: touch control switches between ANC and ambient mode.8Reviewtechradar.com/gaming/razer-hammerhead-v3-hyperspeed-gaming-earbuds-reviewRead 15 October 2026Review: the earbuds support ANC and a transparency mode.10Reviewbasic-tutorials.com/reviews/gadget-reviews/razer-hammerhead-v3-hyperspeed-reviewRead 15 October 2026Review spec table lists a transparency mode.

Yes2Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000036800/en_US/000036800.pdfRead 14 October 2026Ambient sound modes: Transparency.10Maker product pageservice.soundcore.com/article-description/Understanding-Noise-Cancelling-Modes-on-soundcore-P42i-Natural-Deep-and-Hearing-ProtectionRead 14 October 2026FAQ: Transparency mode lets outside sounds in.

Adjustable transparency

Not available

Not available

Automatic ANC and transparency blendiAutomatically blends active cancellation with ambient sound. Automatic activity-based switching between separate modes alone does not qualify.

Not available

Not available

Conversation detection

Not available

Not available

Wind noise reductioniA documented physical design or processing feature for reducing wind noise. The source note distinguishes mesh or shape changes from selectable processing.

Not available

Yes9Maker product pageservice.soundcore.com/article-description/How-to-reduce-wind-sound-outdoors-with-soundcore-P42iRead 14 October 2026FAQ: Wind Noise Reduction setting on the app's main screen. It is a selectable processing feature.

Measured

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Frequency response notes (measured)iMeasured by a reviewer, not claimed by the maker

In the default Music preset the bass is slightly above the SoundGuys preference curve and the mids are slightly below it. The treble is raised from 4 kHz to 8 kHz and lowered from 9 kHz to 15 kHz. The reviewer finds the Gaming preset better tuned for competitive play.7Reviewsoundguys.com/razer-hammerhead-v3-hyperspeed-review-158180Read 15 October 2026Lab frequency response in the default Music preset against the SoundGuys preference curve. Reviewer notes only, no dB value stored. Unit supplied by Razer.

Not available

Bass amount (measured)iDeviation from the review source target in the bass range. Positive means more bass. Target, test method and settings belong in the source note.

Not available

Not available

Treble amount (measured)iDeviation from the review source target in the treble range. Positive means more treble. Values from different targets may not be directly comparable.

Not available

Not available

Deviation from target (measured)iMeasured by a reviewer, not claimed by the maker

Not available

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Consistency between fittings (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Harmonic distortion (measured)iMeasured by a reviewer, not claimed by the maker

Not available

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Sound leakage (measured)iMeasured by a reviewer, not claimed by the maker

Not available

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Noise isolation (measured)iMeasured by a reviewer, not claimed by the maker

Not available

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Noise isolation, best (measured)iMeasured by a reviewer, not claimed by the maker

Not available

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Passive isolation (measured)iMeasured by a reviewer, not claimed by the maker

Not available

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Call quality notes (measured)iMeasured by a reviewer, not claimed by the maker

The reviewer calls the microphone quality great. Voices come in loud and clear and background noise sounds naturally distant. The test uses ideal, office, reverberant, street and windy conditions.7Reviewsoundguys.com/razer-hammerhead-v3-hyperspeed-review-158180Read 15 October 2026Reviewer microphone demos in ideal, office, reverberant, street and windy conditions. No numeric value stored.

Not available

Mic low-frequency extension (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Mic high-frequency extension (measured)iMeasured by a reviewer, not claimed by the maker

Not available

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Mic speech-to-noise ratio (measured)iMeasured by a reviewer, not claimed by the maker

Not available

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Latency (measured)iMeasured by a reviewer, not claimed by the maker

Not available

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Bluetooth latency, worst (measured)iMeasured by a reviewer, not claimed by the maker

Not available

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2.4 GHz latency, worst (measured)iMeasured by a reviewer, not claimed by the maker

Not available

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Latency in game mode (measured)iThe best case the buds can reach. Measured by a reviewer

Not available

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Battery life (measured)iReviewer-tested operation from one full charge of the earbuds. Excludes case recharges. ANC, codec, connection, volume and tested edition belong in the row or source note.

ARazer Hammerhead V3 HyperSpeed

Hours (h)
15.47

Source7Reviewsoundguys.com/razer-hammerhead-v3-hyperspeed-review-158180Read 15 October 2026Lab test: 15 hours 28 minutes over the 2.4 GHz HyperSpeed dongle, firmware version not stated, ANC state not stated, volume from the SoundGuys lab method. The claim is 10 hours. The reviewer calls the lab result much better than the claim and measured 7.5 hours in daily use with the dongle.

Bsoundcore P42i

Not available

Longest tested use per chargeiHighest earbuds-only duration among stored reviewer tests. Modes and settings may differ between tests and products.

15.47h=CalculatedFrom Battery life (measured)

Not available

Battery life with case (measured)iReviewer-tested total including earbuds and case recharges. Do not calculate this by multiplying one-charge runtime by claimed recharge count.

Not available

Not available

Full charge time (measured)iBuds in the case, 0 to 100 %. Measured by a reviewer

Not available

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Weight per bud (measured)iMeasured by a reviewer, not claimed by the maker

Not available

4.4g(0.2 oz)19Reviewgigazine.net/news/20260712-anker-soundcore-p42iRead 14 October 2026Gigazine weighed one earbud at 4.4 g. It weighed the earbuds and case together at 51.5 g. Whether the ear tip was fitted is not stated.

Microphones and calls

3 of 7 differ

Voice microphones in both earbudsiPhysical call and beamforming microphones across the pair. Excludes case microphones and vibration sensors. Shared ANC microphones can also count here when used for calls.

Not available

61Maker product pageus.soundcore.com/products/d1205-p42i-true-wireless-earbuds-with-adaptive-ancRead 14 October 2026Page: 6 AI-enhanced mics for calls.

All microphones in both earbudsiEvery physical microphone across the pair, including call and ANC microphones. Shared microphones count once. Excludes the charging case and voice vibration sensors.

Not available

Not available

Bone conduction voice sensoriA dedicated bone or jaw conduction sensor for detecting speech vibrations. A microphone or speech-detecting accelerometer alone does not prove this architecture.

Not available

Not available

Mic noise reduction

Not available

AI1Maker product pageus.soundcore.com/products/d1205-p42i-true-wireless-earbuds-with-adaptive-ancRead 14 October 2026Page: 6 AI-enhanced mics reduce the noise around the voice.

Call audio bandwidthiHighest supported call-audio bandwidth. Compatible phone, operating system, call app or network requirements belong in the source note.

Not available

Not available

Mic mute controliAn earbud control that mutes the microphone during calls. Includes touch or pressure gestures and physical buttons. Phone/app-only controls do not qualify.

Yes1Maker product pagerazer.com/mobile-earphones/razer-hammerhead-v3-hyperspeedRead 15 October 2026Page FAQ: a 2 second press on either earbud mutes or unmutes the microphone. The master guide names the right earbud only.2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/HAMMERHEADV3HYPERSPEED-00002657-en.pdfRead 15 October 2026Function button quick reference: tap and hold for 2 seconds on the right earbud mutes or unmutes the earbud microphone.

Not available

SidetoneiHear your own voice in calls

Not available

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Connectivity

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Chip

Not available

Not available

Connections

2.4 GHz, Bluetooth1Maker product pagerazer.com/mobile-earphones/razer-hammerhead-v3-hyperspeedRead 15 October 2026Page text: Razer HyperSpeed Wireless (2.4 GHz) and Bluetooth 6.0.2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/HAMMERHEADV3HYPERSPEED-00002657-en.pdfRead 15 October 2026Connect to your earbuds: Bluetooth, the wireless dongle (2.4 GHz) and the charging case with the dongle.6Maker spec sheet (PDF)prtimes.jp/aRead 15 October 2026Connection row: Razer HyperSpeed Wireless (2.4 GHz) and Bluetooth 6.0.

Bluetooth3Maker product pageservice.soundcore.com/article-description/soundcore-P42i-Specifications-FAQRead 14 October 2026FAQ lists Bluetooth 6.1 only. No dongle or wired audio is listed.

Bluetooth

6.01Maker product pagerazer.com/mobile-earphones/razer-hammerhead-v3-hyperspeedRead 15 October 2026Page text and Tech Specs: Bluetooth 6.0.6Maker spec sheet (PDF)prtimes.jp/aRead 15 October 2026Connection row: Razer HyperSpeed Wireless (2.4 GHz) and Bluetooth 6.0.

6.12Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000036800/en_US/000036800.pdfRead 14 October 2026SPECS table: BT 6.1.

Bluetooth codecs

SBC, AAC7Reviewsoundguys.com/razer-hammerhead-v3-hyperspeed-review-158180Read 15 October 2026Review: the Bluetooth 6.0 connection supports the AAC and SBC codecs and has no higher bitrate codec. The Razer Japan spec sheet lists LC3+ as an audio codec without naming the link. SoundGuys names LC3+ as missing on Bluetooth, so LC3+ is not stored here.11Spec databaseinside-digital.de/in-ear-kopfhoerer/razer-hammerhead-v3-hyperspeedRead 15 October 2026German data sheet: audio codecs AAC and SBC.

SBC, AAC, LDAC3Maker product pageservice.soundcore.com/article-description/soundcore-P42i-Specifications-FAQRead 14 October 2026FAQ: SBC, AAC, LDAC and Hi-Res Wireless Audio. LDAC is Android only.15Maker product pageankerjapan.com/products/d1205Read 14 October 2026Specifications: SBC, AAC and LDAC. LDAC needs the app, updated firmware and Android 8.0 or later.

Bluetooth profiles

Not available

Not available

LE Audio

Not available

Not available

Auracast

Not available

Not available

MultipointiConcurrent Bluetooth connections to multiple source devices. Pairing memory and switching through a manufacturer account alone do not qualify.

Not available

Yes2Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000036800/en_US/000036800.pdfRead 14 October 2026Dual Connections chapter: two Bluetooth devices at the same time, on by default.

Multipoint devicesiMaximum source devices concurrently connected by Bluetooth, not the number remembered in pairing history.

Not available

22Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000036800/en_US/000036800.pdfRead 14 October 2026Dual Connections chapter: two devices.

Multipoint with LDACiMany buds turn multipoint off on LDAC

Not available

Yes6Maker product pageservice.soundcore.com/article-description/Can-Dual-Connections-and-LDAC-be-used-at-the-same-time-on-soundcore-P42iRead 14 October 2026FAQ: yes. Battery life is significantly reduced if LDAC is on for both devices at once.15Maker product pageankerjapan.com/products/d1205Read 14 October 2026Comparison table: multipoint supported, LDAC can be used at the same time.

Paired devices rememberediMaximum remembered Bluetooth source pairings. This is separate from simultaneous multipoint connections.

Not available

Not available

Automatic switching between own devicesiThrough the maker's account

Not available

Not available

Fast pairing

Not available

Google Fast Pair2Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000036800/en_US/000036800.pdfRead 14 October 2026Pairing page: Google Fast Pair on Android 6.0 or above.

Audio sharingiShare one stream with a second pair

Not available

Not available

Wireless range (claimed)

Not available

10m2Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000036800/en_US/000036800.pdfRead 14 October 2026SPECS table: Bluetooth Range 10 m / 33 ft.

Wireless receiveri2.4 GHz dongle

Included1Maker product pagerazer.com/mobile-earphones/razer-hammerhead-v3-hyperspeedRead 15 October 2026Page text: a compact, removable dongle sits inside the HyperSpeed case.2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/HAMMERHEADV3HYPERSPEED-00002657-en.pdfRead 15 October 2026What's inside: the charging case comes with a USB Type C wireless dongle.

Not available

Receiver connector

USB-C1Maker product pagerazer.com/mobile-earphones/razer-hammerhead-v3-hyperspeedRead 15 October 2026Page text: the dongle is a USB-C dongle with USB C passthrough on the case. The Japan spec sheet names a USB-C dongle.2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/HAMMERHEADV3HYPERSPEED-00002657-en.pdfRead 15 October 2026What's inside: USB Type C wireless dongle.6Maker spec sheet (PDF)prtimes.jp/aRead 15 October 2026Accessories row lists a USB-C dongle.

Not available

Simultaneous 2.4 GHz and Bluetooth audioiBoth connection types can play audio together. Quick switching between independent modes does not qualify.

Not available

Not available

Latency

1 of 3 differ

Low latency mode

Not available

Yes3Maker product pageservice.soundcore.com/article-description/soundcore-P42i-Specifications-FAQRead 14 October 2026FAQ: has a gaming mode.

Claimed latency

Not available

Not available

Lowest claimed latency

Not available

Not available

Compatibility

3 of 4 differ

PlatformsiPlatforms with documented audio support. App availability and advanced features can be more limited. Edition-specific support is listed in variants.

Windows, macOS, PS5, Nintendo Switch, Nintendo Switch 2, SteamOS, Android, iOS1Maker product pagerazer.com/mobile-earphones/razer-hammerhead-v3-hyperspeedRead 15 October 2026Page FAQ: iOS and Android phones, PC, Mac, PlayStation 5, Nintendo Switch, Steam Deck and other handhelds. Steam Deck is stored as SteamOS. Nintendo Switch 2 comes from the TechRadar spec table.8Reviewtechradar.com/gaming/razer-hammerhead-v3-hyperspeed-gaming-earbuds-reviewRead 15 October 2026Review spec table: PC, PS5, mobile, Nintendo Switch and Nintendo Switch 2.

Windows, macOS, Android, iOS2Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000036800/en_US/000036800.pdfRead 14 October 2026Pairing page lists Android and iOS. Windows and Mac are in the support FAQ.14Maker product pageservice.soundcore.com/article-description/How-do-I-set-up-soundcore-P42i-as-the-audio-input-and-output-device-on-a-computerRead 14 October 2026FAQ covers Windows PCs and Macs.19Reviewgigazine.net/news/20260712-anker-soundcore-p42iRead 14 October 2026Review paired the earbuds with an iPhone.

Connection per platformiDocumented audio connection for each platform. USB-C phone routes require a compatible port. Platform edition and microphone restrictions belong in source notes or feature requirements.

ARazer Hammerhead V3 HyperSpeed

Platform	Connection
Windows	2.4 GHz
Windows	Bluetooth
PS5	2.4 GHz
SteamOS	2.4 GHz
Android	2.4 GHz
Android	Bluetooth
iOS	Bluetooth

Source1Maker product pagerazer.com/mobile-earphones/razer-hammerhead-v3-hyperspeedRead 15 October 2026Page text: 2.4 GHz audio with phones, tablets, PCs, Steam Deck and PlayStation 5. Bluetooth for Bluetooth audio devices. The Japan spec sheet lists Android and iOS phones over Bluetooth and Windows PCs through the USB-C dongle. The connection for Mac and Nintendo Switch is not stated, so those platforms have no row.2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/HAMMERHEADV3HYPERSPEED-00002657-en.pdfRead 15 October 2026Setup steps for PC sound settings and PS5 audio output, both over the dongle or the case. Bluetooth is described for mobile devices.

Bsoundcore P42i

Platform	Connection	Microphone works
Windows	Bluetooth	Yes
macOS	Bluetooth	Not available
Android	Bluetooth	Not available
iOS	Bluetooth	Not available

Source2Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000036800/en_US/000036800.pdfRead 14 October 2026Pairing page: Bluetooth on Android, iOS and other devices. LDAC chapter: Android 8.0 or later.14Maker product pageservice.soundcore.com/article-description/How-do-I-set-up-soundcore-P42i-as-the-audio-input-and-output-device-on-a-computerRead 14 October 2026FAQ: Windows uses P42i Stereo for listening and P42i Hands-Free for calls. Mac uses P42i as input and output. Only the Windows microphone row is marked as working.

Features that need a specific deviceiDevice, operating system, firmware, codec, content, account or region requirements for a named feature.

ARazer Hammerhead V3 HyperSpeed

Feature	Needs
THX Spatial Audio	Available on PC through Razer Synapse 4 on Windows 11 or higher. The virtual 7.1 surround sound needs Windows 11 version 23H2 or higher.
Razer Audio app	iOS 18 or Android 14 or higher with Bluetooth. The earbuds must be connected to the phone by Bluetooth to be configured in the app.
Razer Synapse settings	Windows 11 or higher. The earbuds cannot be configured in Synapse while the input source is set to Bluetooth.
Do Not Disturb	Blocks phone calls only while the earbuds are connected to the wireless dongle and to a mobile device at the same time.

Source1Maker product pagerazer.com/mobile-earphones/razer-hammerhead-v3-hyperspeedRead 15 October 2026Page FAQ: 7.1 surround sound support needs Razer Synapse on Windows 11 version 23H2 or higher.2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/HAMMERHEADV3HYPERSPEED-00002657-en.pdfRead 15 October 2026What's needed and the Activate THX Spatial Audio note: only available on Windows 11 and above. Synapse section: Input Source set to Bluetooth cannot be configured in Synapse. Do Not Disturb works only when the earbuds are connected to the dongle and a mobile device at the same time.6Maker spec sheet (PDF)prtimes.jp/aRead 15 October 2026Surround row: THX Spatial Audio only on Windows 11 version 23H2 or later.

Bsoundcore P42i

Feature	Needs
LDAC	Android 8.0 or later. Turn it on in the soundcore app under Settings, Sound Mode, Preferred audio quality. iPhone and iPad do not support LDAC.
LDAC, Spatial Audio, Gaming mode and custom EQ	LDAC cannot run with Spatial Audio or Gaming mode. Custom EQ cannot run with Spatial Audio or Gaming mode. Spatial Audio cannot run with custom EQ, LDAC or Gaming mode.
Google Fast Pair	Android 6.0 or later.
AI translation	soundcore app with the earbuds connected to it. Dual Connections must be off. Face-to-face translation also works without an app connection.
Earbud volume control	Off by default. Turn it on in the soundcore app under Settings, Controls.
Phone voice assistant	Not set by default. Assign it in the soundcore app under Controls. A single tap cannot be assigned to it.
Microphone in Windows meeting apps	Select soundcore P42i Hands-Free as both microphone and speaker.

Source2Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000036800/en_US/000036800.pdfRead 14 October 2026LDAC chapter, AI translation chapter and pairing page.11Maker product pageservice.soundcore.com/article-description/How-do-I-activate-my-phone-s-voice-assistant-while-using-soundcore-P42iRead 14 October 2026FAQ: not set by default. A single tap cannot be assigned to the voice assistant.12Maker product pageservice.soundcore.com/article-description/How-do-I-adjust-the-volume-via-soundcore-P42i-earbudsRead 14 October 2026FAQ: turn on earbud volume control in the app.13Maker product pageservice.soundcore.com/article-description/Which-soundcore-P42i-features-cannot-be-used-at-the-same-timeRead 14 October 2026FAQ lists the features that exclude each other: custom EQ, LDAC, Spatial Audio and Gaming mode.14Maker product pageservice.soundcore.com/article-description/How-do-I-set-up-soundcore-P42i-as-the-audio-input-and-output-device-on-a-computerRead 14 October 2026FAQ: select soundcore P42i Hands-Free for microphone and speaker in Zoom or Microsoft Teams on Windows.

Official licence

Not available

Not available

Battery and charging

12 of 13 differ

Battery per budiBattery cell capacity of one earbud. The source note states typical or rated capacity. Charging input current is not capacity.

Not available

60mAh2Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000036800/en_US/000036800.pdfRead 14 October 2026SPECS table: earbud (single) 60 mAh (0.231 Wh).

User-replaceable earbud batteryiThe maker documents normal battery replacement by the user with its approved procedure and tools. Service or recycling disassembly does not count.

Not available

Not available

Claimed battery lifeiManufacturer maximum runtime under the stated mode, codec and spatial processing state. Name the spatial or immersive processing mode and other conditions in source notes. Omit unspecified settings. with_case false means one charge of the earbuds. true means earbuds plus case recharges.

ARazer Hammerhead V3 HyperSpeed

Mode	Includes case recharges	Hours (h)
ANC off	No	10
ANC off	Yes	40
ANC on	No	7

Source1Maker product pagerazer.com/mobile-earphones/razer-hammerhead-v3-hyperspeedRead 15 October 2026Page text and Tech Specs: up to 10 hours from the earbuds plus 30 hours from the case, up to 40 hours total. The page does not state the ANC setting, volume or codec. The 10 hour and 40 hour rows are stored as ANC off, as in the inside-digital data sheet.6Maker spec sheet (PDF)prtimes.jp/aRead 15 October 2026Battery row: up to 10 hours, plus 30 hours with the charging case, 40 hours in total.10Reviewbasic-tutorials.com/reviews/gadget-reviews/razer-hammerhead-v3-hyperspeed-reviewRead 15 October 2026Review spec table: up to 10 hours without ANC and up to 7 hours with ANC, 40 hours with the case. The maker page gives no ANC-on figure. The table also gives a 1.5 hour charging time that mentions wireless charging, which the master guide does not support, so that line is not used.11Spec databaseinside-digital.de/in-ear-kopfhoerer/razer-hammerhead-v3-hyperspeedRead 15 October 2026German data sheet: battery life with ANC off 10 hours.

Bsoundcore P42i

Mode	Codec	Includes case recharges	Hours (h)
ANC off	Not available	No	12
ANC off	Not available	Yes	56
ANC on	Not available	No	8.5
ANC on	Not available	Yes	40
ANC on	LDAC	No	6
Call	Not available	No	5

Source2Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000036800/en_US/000036800.pdfRead 14 October 2026SPECS table: ANC off 12 h (56 h with case), ANC on 8.5 h (40 h with case). LDAC and call rows are from the playtime FAQ.4Maker product pageservice.soundcore.com/article-description/What-is-the-playtime-of-soundcore-P42i-on-a-single-charge-and-with-the-charging-caseRead 14 October 2026FAQ: Noise Cancelling 8.5 h and 40 h with case, Normal 12 h and 56 h with case, Calling (ANC) 5 hours for both earbuds, Noise Cancelling plus LDAC 6 hours. Anker lab test at room temperature with default settings and music at 50 percent volume.

Longest claimed use per chargeiHighest earbuds-only runtime among all stored modes. This can be ANC off, Hearing Aid, heart-rate or call use. Read the battery table and source conditions.

10h=CalculatedFrom Claimed battery life

12h=CalculatedFrom Claimed battery life

Playback per charge with ANC (claimed)iHighest claimed earbuds-only playback with ANC enabled. Codec and spatial-audio conditions belong in the source note.

7h=CalculatedFrom Claimed battery life

8.5h=CalculatedFrom Claimed battery life

Playback per charge without ANC (claimed)iHighest claimed earbuds-only playback with ANC disabled. Codec and volume conditions belong in the source note.

10h=CalculatedFrom Claimed battery life

12h=CalculatedFrom Claimed battery life

Total with case (claimed)iHighest claimed runtime including the initial earbud charge and all case recharges. It is not the case recharge runtime alone.

40h=CalculatedFrom Claimed battery life

56h=CalculatedFrom Claimed battery life

Total with case and ANC (claimed)iClaimed total playback with ANC, including the initial earbud charge and case recharges.

Not available

40h=CalculatedFrom Claimed battery life

Talk time (claimed)

Not available

5h=CalculatedFrom Claimed battery life

Full charge time, budsiTime to charge discharged earbuds to full in the case. Excludes charging the case itself or a combined buds-and-case result.

Not available

60min2Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000036800/en_US/000036800.pdfRead 14 October 2026SPECS table: full charging time for earbuds 1 hour.

Charging guidanceiPublished charging guidance or estimates that do not separate earbuds and case. Preserve the maker’s component scope and limits. Do not assign an unspecified or combined estimate to a component-specific numeric field.

The master guide says a depleted battery is fully charged in approximately 2 hours. It advises charging with the supplied cable from a computer USB port and avoiding fast chargers or wall adapters. The guide does not separate the earbuds and the case.2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/HAMMERHEADV3HYPERSPEED-00002657-en.pdfRead 15 October 2026Getting started, Charge your devices: connect the charging case to a computer USB port with the supplied cable, avoid fast chargers and wall adapters, and a depleted battery is fully charged in approximately 2 hours. The guide does not say whether this is the earbuds, the case or both. A review table that gives 1.5 hours is not used.

The maker says the case with the earbuds inside takes about 3 hours to fully charge by cable and about 4 hours on a wireless charger. Rated input is 5 V 0.4 A (2 W) by cable and 5 V 0.33 A (1.65 W) wireless for the case, and 5 V 0.12 A (0.6 W) per earbud. Dry the earbuds and the USB-C port before charging.2Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000036800/en_US/000036800.pdfRead 14 October 2026SPECS table input and output ratings and the charging page.

Quick charge timeiCharge duration corresponding to quick_charge_playback_h. Source note states earbuds-only or case-inclusive charging and playback settings.

Not available

10min2Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000036800/en_US/000036800.pdfRead 14 October 2026Charging page: 10 minutes gives up to 3.5 hours of playtime. ANC state and codec are not stated.

Earbud playback after quick chargeiEarbuds-only runtime after quick_charge_min of charging. A claimed case-inclusive total does not qualify. ANC, codec and volume conditions belong in the source note.

Not available

3.5h2Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000036800/en_US/000036800.pdfRead 14 October 2026Charging page: a quick 10-minute charge gives the earbuds up to 3.5 hours of playtime. ANC state and codec are not stated.

Charging case

5 of 10 differ

Case batteryiCharging-case battery cell capacity. The source note distinguishes typical, rated and output capacity. USB output capacity alone does not qualify.

Not available

690mAh2Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000036800/en_US/000036800.pdfRead 14 October 2026SPECS table: charging case 690 mAh (2.6565 Wh).

User-replaceable case batteryiThe maker documents normal case battery replacement by the user with its approved procedure and tools. Service or recycling disassembly does not count.

Not available

Not available

Case charging port

USB-C2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/HAMMERHEADV3HYPERSPEED-00002657-en.pdfRead 15 October 2026What's inside lists a USB Type C charge/data port on the charging case.9Reviewcgmagonline.com/review/razer-hammerhead-v3-hyperspeed-earbudsRead 15 October 2026Review: the case has a single USB-C port on the bottom.

USB-C2Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000036800/en_US/000036800.pdfRead 14 October 2026Overview: USB-C charging port.

Case full charge timeiBy cable, 0 to 100 %. A time the maker gives with the earbuds inside the case counts, and the source note says so.

Not available

180min2Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000036800/en_US/000036800.pdfRead 14 October 2026SPECS table: full charging time for the charging case by wired charging 3 hours. The charging page says about 3 hours via cable for the case with the earbuds inside.

Wireless charging

Not available

Yes2Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000036800/en_US/000036800.pdfRead 14 October 2026Charging page: place the charging case at the center of a wireless charger. The charger is not included.15Maker product pageankerjapan.com/products/d1205Read 14 October 2026Feature section: wireless charging supported.

Wireless standardsiDocumented case charging standards or supported chargers. Magnetic alignment alone does not establish Qi2 certification.

Not available

Not available

Wireless charging poweriHighest wireless charging input the maker states for the case. The output of a charging pad does not count.

Not available

1.65W2Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000036800/en_US/000036800.pdfRead 14 October 2026SPECS table: rated input for wireless charging of the case is 5 V 0.33 A (1.65 W). This is a rated input, not a tested maximum.

Speaker in caseiAn audio speaker physically in the charging case, for locating or status sounds. A microphone in the case is separate.

Not available

Not available

Screen on case

Not available

Not available

Case works as audio transmitteriCase relays external source audio through USB or an analog audio input. A case microphone for recording or calls does not qualify.

Yes1Maker product pagerazer.com/mobile-earphones/razer-hammerhead-v3-hyperspeedRead 15 October 2026Page FAQ: the HyperSpeed case is both a charging case and a 2.4 GHz wireless receiver when the dongle is inside. Plugging the case into a device passes audio to the earbuds.2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/HAMMERHEADV3HYPERSPEED-00002657-en.pdfRead 15 October 2026Connect to your earbuds, option C: the charging case with the USB Type C wireless dongle inside connects to a device over 2.4 GHz HyperSpeed Wireless.

Not available

Controls

3 of 5 differ

ControlsiPressure is a force sensor that does not move, such as a stem you squeeze. Button is a key that moves when pressed.

Touch1Maker product pagerazer.com/mobile-earphones/razer-hammerhead-v3-hyperspeedRead 15 October 2026Page FAQ gesture list covers touch taps and presses on each earbud.2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/HAMMERHEADV3HYPERSPEED-00002657-en.pdfRead 15 October 2026Function button quick reference: tap, double tap, triple tap and hold gestures on the touch sensor of each earbud.6Maker spec sheet (PDF)prtimes.jp/aRead 15 October 2026Controls row: touch operation for play and pause, skip, calls, ANC and ambient mode, and wireless switching.

Touch2Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000036800/en_US/000036800.pdfRead 14 October 2026Controls page: touch control area on the earbuds.

Earbud volume controliHow earbud controls adjust volume, including a voice command if supported. Phone or app controls alone do not qualify.

Touch1Maker product pagerazer.com/mobile-earphones/razer-hammerhead-v3-hyperspeedRead 15 October 2026Page FAQ: double tap and hold for 2 seconds raises volume on the right earbud and lowers it on the left. The master guide describes it as a double tap, then hold the last tap.2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/HAMMERHEADV3HYPERSPEED-00002657-en.pdfRead 15 October 2026Function button quick reference: double tap, then hold the last tap. Left lowers volume and right raises it.

Touch12Maker product pageservice.soundcore.com/article-description/How-do-I-adjust-the-volume-via-soundcore-P42i-earbudsRead 14 October 2026FAQ: volume control on the earbuds exists and is off by default. The gesture is set in the app under Settings, Controls. Touch is read from the touch-only controls.

Gestures

Tap: play or pause, Double tap right: next track, Double tap left: previous track, Double tap, then hold the last tap, right: volume up, Double tap, then hold the last tap, left: volume down, Tap and hold for 2 seconds, left: cycle between ANC on, ANC off and ambient mode, Tap and hold for 2 seconds, right: mute or unmute the microphone, Triple tap: switch between wireless modes, Triple tap, then hold the last tap for 3 seconds: restart Bluetooth pairing, Tap during a call (Bluetooth mode): accept or end a call, Double tap during a call (Bluetooth mode): reject an incoming call, end the call or switch between calls1Maker product pagerazer.com/mobile-earphones/razer-hammerhead-v3-hyperspeedRead 15 October 2026Page FAQ touch gesture list. The master guide is preferred where they differ. The page says a 2 second press mutes the microphone on both earbuds. The guide puts mute on the right earbud and the ANC cycle on the left earbud.2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/HAMMERHEADV3HYPERSPEED-00002657-en.pdfRead 15 October 2026Function button quick reference. Call gestures marked as only available in Bluetooth mode. The guide lists the right earbud for next track and volume up, the left for previous track and volume down. Gestures can be switched on or off in Synapse.

Double tap right earbud: play or pause, Double tap left earbud: next track, Double tap either earbud: answer or end a call, Press and hold either earbud for 2 seconds: reject a call or switch ambient sound mode, Single earbud: double tap to play or pause2Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000036800/en_US/000036800.pdfRead 14 October 2026Controls page table for both earbuds and for a single earbud. Press and hold for 2 seconds switches between ANC and Transparency by default.

Remappable controls

Not available

Yes2Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000036800/en_US/000036800.pdfRead 14 October 2026Controls page: controls and touch sensitivity can be customized in the soundcore app.

Voice assistant

Not available

Phone voice assistant11Maker product pageservice.soundcore.com/article-description/How-do-I-activate-my-phone-s-voice-assistant-while-using-soundcore-P42iRead 14 October 2026FAQ: assign the phone's voice assistant in the app under Controls. The assistant is not named.

Sensors and health

2 of 9 differ

In-ear detection

Yes2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/HAMMERHEADV3HYPERSPEED-00002657-en.pdfRead 15 October 2026Synapse, Enhancement, Auto Pause: audio pauses when an earbud is removed and resumes when it is put back.8Reviewtechradar.com/gaming/razer-hammerhead-v3-hyperspeed-gaming-earbuds-reviewRead 15 October 2026Review: automatic pausing when the earbuds are removed from the ears.10Reviewbasic-tutorials.com/reviews/gadget-reviews/razer-hammerhead-v3-hyperspeed-reviewRead 15 October 2026Review spec table lists wear detection. The reviewer notes the sensor can trigger by mistake.

Yes3Maker product pageservice.soundcore.com/article-description/soundcore-P42i-Specifications-FAQRead 14 October 2026FAQ: wearing detection is supported.

Sensors

Not available

Not available

Heart rate sensor

Not available

Not available

Skin temperature sensingiA documented skin temperature sensor. This is separate from the operating temperature range or a heart-rate sensor.

Not available

Not available

Hearing aid featureiAmplification for mild to moderate hearing loss

Not available

Not available

Medical clearances

Not available

Not available

Hearing testiA documented hearing assessment feature, including consumer sound-personalization tests. Medical diagnostic clearance must be stated separately.

Not available

Not available

Hearing protectioniLimits sudden loud sounds

Not available

Yes10Maker product pageservice.soundcore.com/article-description/Understanding-Noise-Cancelling-Modes-on-soundcore-P42i-Natural-Deep-and-Hearing-ProtectionRead 14 October 2026FAQ: Smart Hearing Protection acts in Transparency mode when sound suddenly gets loud. The app also has a Volume Limit from app version 5.0.20.

Health features

Not available

Hearing protection screen in the soundcore app shows in-ear volume and ambient noise level. Not a medical device.15Maker product pageankerjapan.com/products/d1205Read 14 October 2026FAQ, translated from Japanese: the app's hearing protection screen shows the in-ear volume and the surrounding noise level in real time. It is not a medical device.

Fit and durability

3 of 7 differ

Ear tips includediTip sizes supplied with the product, including the pair fitted to the earbuds. Do not list separately sold sizes as included.

S, M, L2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/HAMMERHEADV3HYPERSPEED-00002657-en.pdfRead 15 October 2026What's inside: S, M and L. M is pre-installed with the earbuds.6Maker spec sheet (PDF)prtimes.jp/aRead 15 October 2026Accessories row: S, M and L. The M tips are fitted at shipping.9Reviewcgmagonline.com/review/razer-hammerhead-v3-hyperspeed-earbudsRead 15 October 2026Review: three earbud tip sizes.11Spec databaseinside-digital.de/in-ear-kopfhoerer/razer-hammerhead-v3-hyperspeedRead 15 October 2026German data sheet: S, M and L.

XXS, XS, S, M, L2Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000036800/en_US/000036800.pdfRead 14 October 2026Wearing guide: five sizes of ear tips, XXS, XS, S, M and L. M is fitted.15Maker product pageankerjapan.com/products/d1205Read 14 October 2026Package contents: ear tips in 5 sizes.19Reviewgigazine.net/news/20260712-anker-soundcore-p42iRead 14 October 2026Review: five sizes XXS, XS, S, M and L, with M fitted.

Ear tip materials

Silicone2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/HAMMERHEADV3HYPERSPEED-00002657-en.pdfRead 15 October 2026What's inside: silicon ear-tips. The maker's word silicon means silicone.9Reviewcgmagonline.com/review/razer-hammerhead-v3-hyperspeed-earbudsRead 15 October 2026Review: the silicone ear tips are soft and comfortable.11Spec databaseinside-digital.de/in-ear-kopfhoerer/razer-hammerhead-v3-hyperspeedRead 15 October 2026German data sheet: silicone ear tips.

Silicone21Reviewscarbir.com/tws/soundcore-p42i-reviewRead 14 October 2026Review: slim, round silicone tips. The review lists Bluetooth 6.0, three ear tip sets and no wireless charging. The maker documents say Bluetooth 6.1, five sizes and wireless charging, and win.

StabilisersiPhysical stabilizing fittings or structures. Stability bands are separate from fins, wings and ear hooks.

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Ear tip fit test

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Yes2Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000036800/en_US/000036800.pdfRead 14 October 2026Wearing guide: Fit Test feature in the soundcore app.

Dust and water rating, buds

IPX41Maker product pagerazer.com/mobile-earphones/razer-hammerhead-v3-hyperspeedRead 15 October 2026Page text: IPX4 water-resistant design for the earbuds. No rating is stated for the case.6Maker spec sheet (PDF)prtimes.jp/aRead 15 October 2026Water resistance row: IPX4.

IP552Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000036800/en_US/000036800.pdfRead 14 October 2026SPECS table: IP55, earbuds only.

Dust and water rating, case

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Water resistance depth

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Software

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Companion app

Razer Audio app and Razer Synapse 41Maker product pagerazer.com/mobile-earphones/razer-hammerhead-v3-hyperspeedRead 15 October 2026Page text: customisation in the Razer Audio App.2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/HAMMERHEADV3HYPERSPEED-00002657-en.pdfRead 15 October 2026Set up for mobile: the Razer Audio app. Personalize your PC experience: Razer Synapse.6Maker spec sheet (PDF)prtimes.jp/aRead 15 October 2026Software row: Razer Synapse for Windows and the Razer Audio App for iOS and Android.

soundcore2Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000036800/en_US/000036800.pdfRead 14 October 2026The guide names the soundcore app.

App platforms

Android, iOS, Windows2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/HAMMERHEADV3HYPERSPEED-00002657-en.pdfRead 15 October 2026What's needed: Razer Audio app on iOS 18 or Android 14 or higher, Razer Synapse on Windows 11 or higher.6Maker spec sheet (PDF)prtimes.jp/aRead 15 October 2026Software row: Razer Synapse for Windows and the Razer Audio App for iOS and Android.

iOS, Android19Reviewgigazine.net/news/20260712-anker-soundcore-p42iRead 14 October 2026Review: the soundcore app is on the App Store and Google Play.

User firmware updates

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Yes2Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000036800/en_US/000036800.pdfRead 14 October 2026Firmware update chapter: the app announces new firmware and updates the earbuds in the case.

Finding network

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Precision findingiUWB in the case

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Live translation

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Yes2Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000036800/en_US/000036800.pdfRead 14 October 2026AI translation chapter: Real-Time Translation and Face-to-Face Translation in the soundcore app.

Dimensions and weight

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Weight per budiMass of one earbud. Tip size and approximate values belong in the source note. Do not store pair or case-inclusive mass.

5.6g(0.2 oz)1Maker product pagerazer.com/mobile-earphones/razer-hammerhead-v3-hyperspeedRead 15 October 2026Tech Specs: 5.6 g per side and 63 g system.6Maker spec sheet (PDF)prtimes.jp/aRead 15 October 2026Body weight row: 5.6 g per earbud.

4.4g(0.2 oz)15Maker product pageankerjapan.com/products/d1205Read 14 October 2026Specifications: about 4.4 g per earbud and about 51 g with the charging case (case with earbuds, not case-only).16Press articleav.watch.impress.co.jp/docs/news/2121578.htmlRead 14 October 2026Article: about 4.4 g per earbud and about 51 g including the charging case.

Bud dimensionsiDimensions of one earbud on the explicitly identified width, height and depth axes. An unlabeled tuple cannot establish those axes.

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Case weightiCharging case mass excluding earbuds. Case-inclusive product mass does not qualify unless the source explicitly gives the empty-case figure.

49g(1.7 oz)6Maker spec sheet (PDF)prtimes.jp/aRead 15 October 2026Body weight row: charging case 49 g. Razer's own page lists 63 g for the system. The sheet does not say whether the dongle sits in the case.

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Case dimensionsiCharging-case width, height and depth on explicitly identified source axes. Report conflicting axis labels rather than reorder a tuple by appearance.

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Certifications

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Hi-Res AudioiThe Japan Audio Society logos. Hi-Res Audio Wireless is also written Hi-Res Wireless Audio.

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Hi-Res Audio Wireless, Hi-Res Audio1Maker product pageus.soundcore.com/products/d1205-p42i-true-wireless-earbuds-with-adaptive-ancRead 14 October 2026Page: Hi-Res Certified Sound with LDAC and Hi-Res Audio. The specification FAQ lists Hi-Res Wireless Audio.3Maker product pageservice.soundcore.com/article-description/soundcore-P42i-Specifications-FAQRead 14 October 2026FAQ names Hi-Res Wireless Audio as a supported audio format.15Maker product pageankerjapan.com/products/d1205Read 14 October 2026Comparison table marks Hi-Res playback as supported.

Communication certifications

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FCC IDs

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Other certifications

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EU Radio Equipment Directive 2014/53/EU conformity, EU RoHS Directive 2011/65/EU and amendment (EU) 2015/863 conformity20Maker spec sheet (PDF)salesforce-knowledge-download.s3.us-west-2.amazonaws.com/000036802/en_US/000036802.pdfRead 14 October 2026EU and UK Declaration of Conformity V5.0 for soundcore P42i, model D1205, signed 2026-05-20. It lists Directive 2014/53/EU and Directive 2011/65/EU with amendment (EU) 2015/863. FCC ID not found in the open documents.

In the box

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In the box

Razer Hammerhead V3 HyperSpeed, Charging case with USB Type C wireless dongle, USB Type C cable, Silicon ear-tips in 3 sizes (S, M*, L). M is pre-installed with the earbuds, Important Product Information Guide2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/HAMMERHEADV3HYPERSPEED-00002657-en.pdfRead 15 October 2026What's inside: the earbuds, the charging case with USB Type C wireless dongle, a USB Type C cable, silicon ear-tips in 3 sizes (S, M*, L) with M pre-installed, and the Important Product Information Guide.6Maker spec sheet (PDF)prtimes.jp/aRead 15 October 2026Accessories row: charging case, USB-C dongle, ear tips S, M and L, USB-C cable and the important product guide. The M tips ship on the earbuds.11Spec databaseinside-digital.de/in-ear-kopfhoerer/razer-hammerhead-v3-hyperspeedRead 15 October 2026German data sheet: charging case, USB-C wireless dongle (2.4 GHz), USB-C charging cable and silicone ear tips in S, M and L.

Earbuds, Charging case, Five sizes of ear tips, USB-A to USB-C cable, Quick start guide, Safety manual, Warranty card15Maker product pageankerjapan.com/products/d1205Read 14 October 2026Package contents, translated from Japanese: earbuds, charging case, ear tips in 5 sizes, USB-C and USB-A cable, safety manual, quick start guide, warranty.19Reviewgigazine.net/news/20260712-anker-soundcore-p42iRead 14 October 2026Review box photo: quick start guide, warranty card, earbuds, USB Type-A to USB Type-C cable and ear tips.

Cables included

ARazer Hammerhead V3 HyperSpeed

Type	Length (m)	Count
USB-C cable	0.42	1

Source2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/HAMMERHEADV3HYPERSPEED-00002657-en.pdfRead 15 October 2026What's inside: one USB Type C cable. The 42 cm length comes from the Tech Specs and the Japan spec sheet.6Maker spec sheet (PDF)prtimes.jp/aRead 15 October 2026Cable length row: 420 mm. The Razer page lists 42 cm. CGMagazine calls it a 16.5 inch USB-C cable.9Reviewcgmagonline.com/review/razer-hammerhead-v3-hyperspeed-earbudsRead 15 October 2026Review: a 16.5 inch USB-C cable for charging and communication. That is about 42 cm.

Bsoundcore P42i

Type	Count
USB-A to USB-C	1

Source15Maker product pageankerjapan.com/products/d1205Read 14 October 2026Package contents: USB-C and USB-A cable. The Gigazine unboxing shows a USB Type-A to USB Type-C cable. Length not stated.

Links

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Product page

www.razer.com/mobile-earphones/razer-hammerhead-v3-hyperspeed1Maker product pagerazer.com/mobile-earphones/razer-hammerhead-v3-hyperspeedRead 15 October 2026

us.soundcore.com/products/d1205-p42i-true-wireless-earbuds-with-adaptive-anc1Maker product pageus.soundcore.com/products/d1205-p42i-true-wireless-earbuds-with-adaptive-ancRead 14 October 2026

Spec sheet

prtimes.jp/a6Maker spec sheet (PDF)prtimes.jp/aRead 15 October 2026Razer Japan spec sheet for the Hammerhead V3 HyperSpeed and V3 X, published with the Japanese launch release. The sheet is in Japanese.

service.soundcore.com/article-description/soundcore-P42i-Specifications-FAQ3Maker product pageservice.soundcore.com/article-description/soundcore-P42i-Specifications-FAQRead 14 October 2026Maker support FAQ with the quick specs for D1205. The full table is in the user guide.

Manual

dl.razerzone.com/master-guides/RazerSynapse4/HAMMERHEADV3HYPERSPEED-00002657-en.pdf2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/HAMMERHEADV3HYPERSPEED-00002657-en.pdfRead 15 October 2026English master guide for the Hammerhead V3 HyperSpeed from the Razer download server.

salesforce-knowledge-download.s3.us-west-2.amazonaws.com/000036800/en_US/000036800.pdf2Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000036800/en_US/000036800.pdfRead 14 October 2026English user guide for model D1205, 13 pages. Download from the soundcore support page for the P42i.

EPREL registration numberiId in the EU energy label database. Each size or model of a series has its own id, so it is per variant.

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Warranty

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Manufacturer warranty (source market)iThe maker's warranty period for the exact SKU or configuration and market named in the source note. It applies only to that stated market, not every regional variant. Statutory consumer rights are excluded. The base term is stored. An extension that needs registration goes in the source note.

2years1Maker product pagerazer.com/mobile-earphones/razer-hammerhead-v3-hyperspeedRead 15 October 2026Page text: up to 2 years of warranty. The Japan spec sheet gives 24 months.6Maker spec sheet (PDF)prtimes.jp/aRead 15 October 2026Warranty row: 24 months for Japan.

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Both are also in the API. Back to all earbuds.