Earbuds / Compare

Ozlo Sleepbuds 2 vs soundcore P42i

A

Product A: Ozlo

Sleepbuds 2

52 of 166 known

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B

Product B: soundcore

P42i

80 of 166 known

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All 166 fields

Every value links to where we found it.

Only differences

AOzlo Sleepbuds 2

Bsoundcore P42i

General

6 of 8 differ

Series

Sleepbuds1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026The product page and its user guide pages call the line Sleepbuds. The first generation is the Ozlo Sleepbuds.

Not available

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

010021C01WW012Maker product pageozlosleep.com/products/sleepbuds.jsRead 15 October 2026US store product data: SKU 010021C01WW01, a single variant.

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

8500709611652Maker product pageozlosleep.com/products/sleepbuds.jsRead 15 October 2026US store barcode field: 850070961165. The Europe and UK store feeds list the same SKU and barcode.

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.

28 July 20263Press articlesoundguys.com/ozlo-sleepbuds-2-launch-160755Read 15 October 2026The Tom's Guide launch review is dated 28 July 2026 and says the Sleepbuds 2 launch today.4Reviewtomsguide.com/wellness/sleep-tech/ozlo-sleepbuds-2Read 15 October 2026Published 28 July 2026: the Sleepbuds 2 launch today.7Press articletechcrunch.com/2026/07/28/ozlos-sleepbuds-2-build-on-boses-sleep-earbud-legacyRead 15 October 2026Unveiled on Tuesday 28 July 2026.

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

Available2Maker product pageozlosleep.com/products/sleepbuds.jsRead 15 October 2026US store lists the product as available on 2026-10-15.

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

Not available

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

$2791Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026The US store lists 279 USD with a free sleep mask for a limited time. SoundGuys news and the Tom's Guide launch review give the 279 USD launch price.3Press articlesoundguys.com/ozlo-sleepbuds-2-launch-160755Read 15 October 2026SoundGuys news, 29 Jul 2026: Ozlo Sleepbuds 2, a 279 USD pair.4Reviewtomsguide.com/wellness/sleep-tech/ozlo-sleepbuds-2Read 15 October 2026Review: launching with a sale price of 279 USD.7Press articletechcrunch.com/2026/07/28/ozlos-sleepbuds-2-build-on-boses-sleep-earbud-legacyRead 15 October 2026TechCrunch, 28 Jul 2026: priced at 279 USD, 30 USD above the original Sleepbuds. A sleep mask and travel case come with a purchase for a limited time.

$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.

Not available

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, GB1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026US store plus Europe (ozlosleep.eu) and UK (ozlosleep.co.uk) stores. Documented subset. The warranty is 1 year in the US and 2 years in the EU and UK. No euro or pound launch price is stored, since only current store prices were found.

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

Not available

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

Sleep1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026Maker: sleep earbuds, designed for sleep only.

Not available

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-ear1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026Passive noise cancellation via silicone tips (not ANC). The silicone tips seal the ear.5Reviewsoundguys.com/ozlo-sleepbuds-2-review-161143Read 15 October 2026Review: passive isolation depends on how well the silicone tips seal in your ears.

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.

Stemless1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026The earbuds are a small low-profile body with no stalk, as shown on the product page. A silicone tip with a wing carries each 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

Not available

Not available

Drivers and sound

8 of 17 differ

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

AOzlo Sleepbuds 2

Type
Balanced armature

Source16Press articleaudioxpress.com/news/ozlo-launches-sleepbuds-2-expanding-sleep-earbuds-as-a-specialized-audio-categoryRead 21 October 2026Same sentence names one new balanced armature driver. No count, role or size is stated, so only the type is stored.

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.

Balanced armature16Press articleaudioxpress.com/news/ozlo-launches-sleepbuds-2-expanding-sleep-earbuds-as-a-specialized-audio-categoryRead 21 October 2026audioXpress, launch news: Ozlo says Sleepbuds 2 use a super-efficient custom audio amplifier paired with a new balanced armature driver. The maker product page, help center and press release name an amplifier but no driver type.

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.

Not available

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.

Not available

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

Not available

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.

Not available

Not available

Sensitivity reference

Not available

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.

Not available

Not available

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

Balance, Focus, Spoken Word, Airplane Mode4Reviewtomsguide.com/wellness/sleep-tech/ozlo-sleepbuds-2Read 15 October 2026Audio Tuning profiles in the app: Balance, Focus, Spoken Word and Airplane Mode. Ozlo calls this tuning. It changes the audio for the content or the setting.

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.

Not available

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

5 of 11 differ

Active noise cancelling

No1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026Tech specs, Noise Masking: passive noise cancellation via silicone tips (not ANC). FAQ: block and replace noise masking is different from active noise cancellation.

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.

Not available

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

No8Press articlethe-gadgeteer.com/2026/07/29/ozlo-sleepbuds-2-sleep-earbudsRead 15 October 2026Article of 29 Jul 2026: no microphone array, no transparency mode and no calls. The earbuds have no microphones, so a transparency mode cannot exist.

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

1 of 23 differ

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

Not available

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

Not available

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

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

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

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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.

Not available

Not available

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

Not available

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

Not available

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.

01Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026Tech specs: No microphone, designed for sleep only. FAQ: there is no microphone in the Sleepbuds to support phone calls.

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.

01Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026No microphone in the earbuds. The Smart Case has a microphone that only measures room noise. The case is excluded from this count.

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.

Not available

Not available

SidetoneiHear your own voice in calls

Not available

Not available

Connectivity

9 of 18 differ

Chip

Not available

Not available

Connections

Bluetooth1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026Bluetooth only. The Smart Case connects to the phone over Bluetooth Classic.

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

5.31Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026Connection section: Bluetooth 5.3 radios.

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

Not available

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

A2DP1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026Connectivity: Bluetooth 5.3 (A2DP + Low Energy Audio). Only A2DP is named as an audio profile.

Not available

LE Audio

Yes1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026Connectivity: Bluetooth 5.3 radios supporting A2DP and Low Energy Audio (LEA) enabled streaming. No independent test of LE Audio was found.

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.

No5Reviewsoundguys.com/ozlo-sleepbuds-2-review-161143Read 15 October 2026Review cons: no Bluetooth multipoint. The buds can only connect to one device at a time. Firmware 02.11.2606011.

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

Not available

Not available

Receiver connector

Not available

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.

Android, iOS1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026The page lists streaming from any Bluetooth source and the Ozlo Sleep app for iOS and Android.

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.

AOzlo Sleepbuds 2

Not available

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.

AOzlo Sleepbuds 2

Feature	Needs
Setup and audio streaming	A phone and an active Bluetooth connection are needed to set up the earbuds and to stream audio. The earbuds connect to the Smart Case and the Smart Case connects to the phone.
Ozlo Sleep app	Android 12 or later. The product page says iOS 17 or later on iPhone and iPad. The help center says iOS 18 or later on iPhone and iPad.
Phone-free Sleep Sound	The earbuds can start the built-in Sleep Sound when taken out of the case, with no phone or Bluetooth connection. This is set up in the app.
In-ear alarm	Set in the Ozlo app. It works without a phone connection and in Bluetooth Disabled mode.
Battery test	Ozlo test with streaming audio and Sleep Sounds at 50 percent volume.

Source1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026FAQ and System Requirements sections.10Maker product pageozlo-sleepbuds-2.gorgias.help/en-US/what-are-the-app-requirements-7597631Read 21 October 2026Help center, What are the app requirements: iOS 18 or later on iPhone and iPad, Android 12 or later on phones. The product page FAQ says iOS 17 or later. Both are kept in the requirement text, since the maker documents disagree. The App Content and Sound Library Specs article says iOS 18 or later and Android 12 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.

AOzlo Sleepbuds 2

Mode	Includes case recharges	Hours (h)
ANC off	No	14

Source1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026Up to 14 hours on a single charge. Footnote: Ozlo testing with Sleepbuds 2 playing streaming audio and Sleep Sounds at 50 percent volume. Results with other audio, volume, Bluetooth use and features vary. No codec is named. The case claim is stored as charging guidance because the maker gives only a number of recharges.

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.

14h=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.

Not available

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.

14h=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.

Not available

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.

180min9Maker product pageozlo-sleepbuds-2.gorgias.help/en-US/battery-and-charging-specs-7597612Read 21 October 2026Ozlo Sleepbuds 2 help center, Battery & Charging Specs: Sleepbuds full charge approximately 3 hours. The article How long do Sleepbuds 2 take to charge gives the same figure. The Sleepbuds charge only in the Smart Case. Maker estimate, not a measurement.

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 Smart Case holds an additional 2 to 3 charges for the earbuds. The maker gives no total runtime with the case.1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026Battery section: the Smart Case holds an additional 2-3 charges. SoundGuys measured roughly three to four recharges.5Reviewsoundguys.com/ozlo-sleepbuds-2-review-161143Read 15 October 2026Review: after streaming for eight hours about 30 percent was left, and the case adds roughly three to four full recharges.

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

4 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-C1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026Charges via USB-C. The charging cable is in the box.

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.

150min9Maker product pageozlo-sleepbuds-2.gorgias.help/en-US/battery-and-charging-specs-7597612Read 21 October 2026Same article: Smart Case full charge about 2.5 hours under normal conditions, by USB-C. The user guide pages written for the original Sleepbuds say up to 8 hours with the Sleepbuds outside the case, so the Sleepbuds 2 help center figure is used.

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

No1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026FAQ: Does the Smart Case support wireless charging? No.5Reviewsoundguys.com/ozlo-sleepbuds-2-review-161143Read 15 October 2026Review cons: the case charges over USB-C only and has no wireless charging.

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.

Not available

Not available

Controls

5 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.

Not available

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.

None4Reviewtomsguide.com/wellness/sleep-tech/ozlo-sleepbuds-2Read 15 October 2026Review, App and controls: in the app you can select the soundscape, set the in-ear alarm, adjust the volume or change the Sleep Mode. No earbud controls are described.11Maker product pageozlo-sleepbuds-2.gorgias.help/en-US/what-are-the-specific-differences-between-the-original-sleepbuds-and-sleepbuds-2-7597351Read 21 October 2026Help center comparison table, Phone-Free Controls: the original Sleepbuds need the Ozlo app. Sleepbuds 2 add a multifunction button on the Smart Case for pairing and playback control. No control on the earbuds is documented, and the maker hardware overview lists none. Volume is set in the Ozlo app. The Smart Case button has no volume function.

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

Not available

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

4 of 9 differ

In-ear detection

Not available

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

Sensors

Sleep-detecting accelerometer in the earbuds, Ambient noise detection in the Smart Case, Ambient temperature sensor in the Smart Case, Ambient light sensor in the Smart Case1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026Sensors section: Smart Case button, ambient noise detection, ambient temperature sensor and ambient light sensor. Sleepbuds: sleep-detecting accelerometer.

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

Sleep tracking with Sleep Patterns, Room noise, light and temperature tracking in the Smart Case1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026Sleep Patterns tracking in the Ozlo Sleep app, with environment insights from the Smart Case sensors.

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

4 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.

0 (extra small), 1 (small), 2 (medium), 3 (large)1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026In the box: 4 sizes of soft silicone tips. Size names are in the hardware overview guide and the Tom's Guide review.4Reviewtomsguide.com/wellness/sleep-tech/ozlo-sleepbuds-2Read 15 October 2026Review: wing tip sizes range from 0 (smallest) to 3 (biggest), size 2 pre-loaded.6Owner's manualozlosleep.com/blogs/user-guide/hardware-overviewRead 15 October 2026Sleepbuds hardware overview guide (dated 4 August 2026): 4 different size silicone tips numbered 0 extra small, 1 small, 2 medium and 3 large. The guide is written for the Ozlo Sleepbuds family and Tom's Guide confirms sizes 0 to 3 for the Sleepbuds 2.

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

Silicone1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026Soft silicone 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.

Wing tips4Reviewtomsguide.com/wellness/sleep-tech/ozlo-sleepbuds-2Read 15 October 2026Review: custom-fit soft silicone wingtips act as an anchor. Sizes run from 0 to 3, with size 2 fitted.

Not available

Ear tip fit test

Not available

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 pageozlosleep.com/products/sleepbudsRead 15 October 2026Sleepbuds offer protection against dust, sweat and light rain (IPX4). No dust rating is given, so the rating is 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

Not available

Not available

Water resistance depth

Not available

Not available

Software

3 of 6 differ

Companion app

Ozlo Sleep app1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026Ozlo Sleep App, 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, iOS1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026Ozlo Sleep App for iOS and Android. Android 12 or later, iOS 17 or later.

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

Yes13Maker product pageozlosleep.com/blogs/release-notes/tagged/sleepbudsRead 21 October 2026Release notes list Sleepbuds 2 firmware 02.11.2606025 for the Smart Case, both earbuds and the Bluetooth module, with an Update with Web App button. The iOS app note mentions faster firmware update downloads. The Ozlo site also links a Sleepbuds Updater.

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

Not available

Not available

Precision findingiUWB in the case

Not available

Not available

Live translation

Not available

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

4 of 4 differ

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

1.6g(0.1 oz)1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026Tech specifications: 0.06 oz (1.6 g each), without the silicone tip.

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.

Width17Height11Depth12mm(0.7 × 0.4 × 0.5 in)1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026Tech specifications, earbuds without silicone tip: height 11 mm, width 17 mm, depth 12 mm. Axes are labelled by the maker.

Not available

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

96g(3.4 oz)1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026Smart Case without Sleepbuds inside: 3.5 oz (96 g).

Not available

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

Width78Height78Depth27mm(3.1 × 3.1 × 1.1 in)1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026Smart Case: height 78 mm, width 78 mm, depth 27 mm. Axes are labelled by the maker.

Not available

Certifications

2 of 3 differ

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

Not available

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

Not available

Not available

FCC IDs

2BAGA010021L, 2BAGA01002114Regulatory filingfccid.io/2BAGA010021LRead 21 October 2026FCC grant 2BAGA010021L for the Sleepbuds earbuds, model 010021L, applicant Drowsy Digital Inc (the company named in the Ozlo site copyright), granted 2026-05-22. Product code 010021 matches the Sleepbuds 2 SKU 010021C01WW01. The first generation grant is 2BAGA010011L. The case grant 2BAGA010021 is the second entry.15Regulatory filingfccid.io/2BAGA010021Read 21 October 2026FCC grant 2BAGA010021 for the Charging Case, model 010021, applicant Drowsy Digital Inc, granted 2026-05-22. The SAR report lists a 75 x 75 x 25 mm case body. The maker states 78 x 78 x 27 mm.

Not available

Other certifications

Not available

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

2 of 2 differ

In the box

Sleepbuds 2 earbuds, Smart Case (charging and storage case), 4 sizes of soft silicone tips, Charging cable, Quick Start Guide1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026Included in the box: Ozlo Sleepbuds, charging and storage case, 4 sizes of soft silicone tips, charging cable.12Owner's manualozlosleep.com/blogs/blogs/sleepbuds-2-guideRead 21 October 2026Section 1 Unboxing: Sleepbuds 2, Smart Charging Case, USB-C charging cable, four sizes of silicone ear tips and Quick Start Guide.

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

AOzlo Sleepbuds 2

Type	Count
USB-C	1

Source12Owner's manualozlosleep.com/blogs/blogs/sleepbuds-2-guideRead 21 October 2026Section 1 Unboxing: one USB-C charging cable. No length or other connector is stated.

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

Not compared

Product page

ozlosleep.com/products/sleepbuds1Maker product pageozlosleep.com/products/sleepbudsRead 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

Not available

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

ozlosleep.com/blogs/blogs/sleepbuds-2-guide12Owner's manualozlosleep.com/blogs/blogs/sleepbuds-2-guideRead 21 October 2026Ozlo Complete Guide for Sleepbuds 2: unboxing, setup, Smart Case button, sleep modes and care. No PDF manual was found.

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.

Not available

Not available

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.

1year1Maker product pageozlosleep.com/products/sleepbudsRead 15 October 2026FAQ: Ozlo Sleepbuds come with a 1-year warranty. In the EU and UK, that is extended to two years. The US term is stored.

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