Earbuds / Compare

OnePlus Buds 4 vs Skullcandy Method 540 ANC

A

Product A: OnePlus

Buds 4

82 of 166 known

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B

Product B: Skullcandy

Method 540 ANC

59 of 166 known

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All 166 fields

Every value links to where we found it.

Only differences

AOnePlus Buds 4

BSkullcandy Method 540 ANC

General

5 of 8 differ

Series

Not available

Method1Maker product pageskullcandy.com/products/method-540-anc-noise-canceling-earbudsRead 15 October 2026Maker line name Method, as in Method 360 ANC.

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

E513A4Owner's manualoneplus.com/content/dam/oneplus/2024/eu/store/safety_guide/OnePlus_Buds_4_Safety_Guide.pdfRead 8 October 2026Original maker Safety and Warranty booklet, English page 2, explicitly names OnePlus Buds 4 and E513A. Regulatory radio power and SAR do not establish audio specifications.

S2MFW-T001, S2MFW-T987, S2MFW-T7401Maker product pageskullcandy.com/products/method-540-anc-noise-canceling-earbudsRead 15 October 2026Store product data SKUs: S2MFW-T001 Bone, S2MFW-T987 Primer, S2MFW-T740 True Black.2Maker product pageskullcandy.com/products/method-540-anc-noise-canceling-earbuds.jsonRead 15 October 2026Store product data SKUs for the three colours.

GTIN / EAN

Not available

Not available

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

Not available

8 January 20268Press articletechradar.com/audio/earbuds-airpods/skullcandys-new-earbuds-put-ai-in-your-ears-but-theres-a-catchRead 15 October 2026Article dated 8 January 2026: the newly launched Method 540 ANC.9Reviewtechradar.com/audio/earbuds-airpods/skullcandy-method-540-reviewRead 15 October 2026Review: unveiled on January 8, 2026 at the annual CES tech conference.

Status

Available1Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026

Available1Maker product pageskullcandy.com/products/method-540-anc-noise-canceling-earbudsRead 15 October 2026Store page has an Add to cart button at 149.99 USD.8Press articletechradar.com/audio/earbuds-airpods/skullcandys-new-earbuds-put-ai-in-your-ears-but-theres-a-catchRead 15 October 2026Available now in the US per the article.

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

OnePlus Buds 37Reviewtechradar.com/audio/earbuds-airpods/oneplus-buds-4-reviewRead 23 October 2026TechRadar's review says the OnePlus Buds 4 are the successors to last year's OnePlus Buds 3.

Not available

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.

Not available

$149.991Maker product pageskullcandy.com/products/method-540-anc-noise-canceling-earbudsRead 15 October 2026US store price 149.99 USD, the same as the launch reporting. Excludes sales tax.8Press articletechradar.com/audio/earbuds-airpods/skullcandys-new-earbuds-put-ai-in-your-ears-but-theres-a-catchRead 15 October 2026Available now in the US for 149.99 USD.

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.

Not available

US, GB, EU, CA1Maker product pageskullcandy.com/products/method-540-anc-noise-canceling-earbudsRead 15 October 2026US store. The UK, EU and Canada stores list the same three SKUs in their product data.3Maker product pageskullcandy.co.uk/products/method-540-anc-noise-canceling-earbuds.jsonRead 15 October 2026UK store product data lists the same SKUs, priced in GBP. GBP is not stored.4Maker product pageskullcandy.eu/en-de/products/method-540-anc-noise-canceling-earbuds.jsonRead 15 October 2026EU store product data lists the same SKUs, priced in EUR. No launch price source was found for the EU, so no EUR price is stored.5Maker product pageskullcandy.ca/products/method-540-anc-noise-canceling-earbuds.jsonRead 15 October 2026Canada store product data lists the same SKUs, priced in CAD.

ColoursiThe maker's own colour names

Storm Gray, Zen Green1Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026

Bone, Primer, True Black1Maker product pageskullcandy.com/products/method-540-anc-noise-canceling-earbudsRead 15 October 2026Colour selector: Bone, Primer and True Black. TechRadar saw only black and white at its review time.2Maker product pageskullcandy.com/products/method-540-anc-noise-canceling-earbuds.jsonRead 15 October 2026Store product data: option values Bone, Primer and True Black.

Segment

Music2Maker product pageoneplus.com/us/oneplus-buds-4Read 8 October 2026

Music1Maker product pageskullcandy.com/products/method-540-anc-noise-canceling-earbudsRead 15 October 2026Maker sells it as noise canceling earbuds for everyday and on-the-go listening. The store tags include gym and travel. Stored as music, not as sport.

Design

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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-ear3Owner's manualmedia.tatacroma.com/Croma%20Assets/Wearable/Wearable%20Devices/User%20Manual/316448_User%20ManualRead 8 October 2026

In-ear1Maker product pageskullcandy.com/products/method-540-anc-noise-canceling-earbudsRead 15 October 2026Page: ear gels and fit fins in S, M and L. The store tags the product as in ear.

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

Stem3Owner's manualmedia.tatacroma.com/Croma%20Assets/Wearable/Wearable%20Devices/User%20Manual/316448_User%20ManualRead 8 October 2026

Stemless1Maker product pageskullcandy.com/products/method-540-anc-noise-canceling-earbudsRead 15 October 2026Page gallery shows a compact earbud body with a gel tip and no stalk.

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

Not available

Either bud1Maker product pageskullcandy.com/products/method-540-anc-noise-canceling-earbudsRead 15 October 2026Page feature list: Use Either Bud Solo.

RGB lighting

Not available

Not available

Drivers and sound

11 of 17 differ

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

AOnePlus Buds 4

Role	Diameter (mm)	Count per earbud
Woofer	11	1
Tweeter	6	1

Source1Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026Maker explicitly publishes one 11 mm woofer and one 6 mm tweeter per earbud. Transducer technology is not explicitly stated in the selected source, so row type and driver_type remain unknown.

BSkullcandy Method 540 ANC

Diameter (mm)
12

Source1Maker product pageskullcandy.com/products/method-540-anc-noise-canceling-earbudsRead 15 October 2026Technical Specifications: Driver Diameter 12mm. The page does not state the driver type, the role or the count per earbud.9Reviewtechradar.com/audio/earbuds-airpods/skullcandy-method-540-reviewRead 15 October 2026Review: 12mm drivers with tuning by Bose.

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

Not available

Not available

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

11mm=CalculatedFrom Drivers per bud

12mm=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.

2=CalculatedFrom Drivers per bud

Not available

Diaphragm material

Woofer: 30-layer ceramic-metal diaphragm. Tweeter: flat diaphragm.2Maker product pageoneplus.com/us/oneplus-buds-4Read 8 October 2026Maker illustrated driver descriptions explicitly assign ceramic-metal diaphragm to the woofer and flat diaphragm to the tweeter. Flat does not by itself establish planar-magnetic technology.

Not available

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

Min15 HzMax40 kHz1Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026Maker publishes acoustic Frequency Response of 15 Hz to 40 kHz. Test method and mode are not stated. LHDC sample rate is separate.

Min20 HzMax20 kHz1Maker product pageskullcandy.com/products/method-540-anc-noise-canceling-earbudsRead 15 October 2026Technical Specifications: Frequency Response 20Hz - 20KHz. Test conditions are not stated.

Impedance

Not available

16Ω1Maker product pageskullcandy.com/products/method-540-anc-noise-canceling-earbudsRead 15 October 2026Technical Specifications: Impedance 16 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.

192kHz2Maker product pageoneplus.com/us/oneplus-buds-4Read 8 October 2026Maker LHDC 5.0 high-resolution claim: up to 192 kHz / 24-bit, up to 1 Mbps. It does not establish lossless transmission. Compatible LHDC Android host required. iOS native Bluetooth does not support LHDC.

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.

24bits2Maker product pageoneplus.com/us/oneplus-buds-4Read 8 October 2026LHDC 5.0 claim with the same compatible-host and app restrictions as the sample rate.

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

Yes2Maker product pageoneplus.com/us/oneplus-buds-4Read 8 October 2026

Not available

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.

62Maker product pageoneplus.com/us/oneplus-buds-4Read 8 October 2026

51Maker product pageskullcandy.com/products/method-540-anc-noise-canceling-earbudsRead 15 October 2026Feature list: Customizable 5-Band EQ Mode.6Owner's manualskullcandy.com/blogs/product-help/method-540-ancRead 15 October 2026Preset EQ and custom 5-band EQ section.

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

Balanced, Serenade, Bass Mode2Maker product pageoneplus.com/us/oneplus-buds-4Read 8 October 2026

Music, Bass Boost, Podcast1Maker product pageskullcandy.com/products/method-540-anc-noise-canceling-earbudsRead 15 October 2026Feature list: 3 Preset EQ modes (Music, Bass Boost and Podcast). The help page adds a Custom mode, which is not stored as a preset.6Owner's manualskullcandy.com/blogs/product-help/method-540-ancRead 15 October 2026Preset EQ section lists Music, Bass Boost, Podcast and Custom. One sentence also names movies, which the list does not. Custom is not stored as a preset.

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.

OnePlus 3D Audio2Maker product pageoneplus.com/us/oneplus-buds-4Read 8 October 2026Static OnePlus 3D Audio with the published Android/iOS app requirements. Head tracking is not inferred.

Not available

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

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Active noise cancelling

Yes1Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026

Yes1Maker product pageskullcandy.com/products/method-540-anc-noise-canceling-earbudsRead 15 October 2026Feature list: Adjustable 4-Mic Active Noise Canceling.

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

Hybrid2Maker product pageoneplus.com/us/oneplus-buds-4Read 8 October 2026Maker identifies feed-forward and feed-back microphone roles in each earbud. Both microphone placements establish hybrid playback ANC, distinct from its adaptive algorithm.

Hybrid7Maker product pageskullcandy.com/blogs/the-feed/sound-by-bose-method-360-540-ancRead 15 October 2026Maker blog: adjustable 4-mic hybrid ANC. The same blog lists 42 hours with ANC off, wear detection and LE Audio in a side-by-side table that shares values with the Method 360 ANC. Those three claims are not stored because the product page and help page do not state them.

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.

42Maker product pageoneplus.com/us/oneplus-buds-4Read 8 October 2026Two ANC roles per earbud, feed-forward and feed-back, total four across the pair. The separate talk microphone is not added to this count.

41Maker product pageskullcandy.com/products/method-540-anc-noise-canceling-earbudsRead 15 October 2026Feature list: adjustable 4-mic active noise canceling. Four microphones across the pair.

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

Yes1Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026

Not available

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.

55dB1Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026Up to 55 dB from OnePlus Test Laboratory. The separate maximum cancellation bandwidth is 5500 Hz. This is not an independently measured overall attenuation.

Not available

Transparency mode

Yes1Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026

Yes1Maker product pageskullcandy.com/products/method-540-anc-noise-canceling-earbudsRead 15 October 2026Feature list: Adjustable Stay-Aware Mode.

Adjustable transparency

Not available

Yes1Maker product pageskullcandy.com/products/method-540-anc-noise-canceling-earbudsRead 15 October 2026Feature list: Adjustable Stay-Aware Mode. The help page describes a slider in the app.6Owner's manualskullcandy.com/blogs/product-help/method-540-ancRead 15 October 2026Adjustable ANC and Stay-Aware section: a slider in the app sets the Stay-Aware level.

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

Not available

Measured

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

The measured default response has increased sub-bass below 100 Hz and otherwise closely follows the SoundGuys Headphone Preference Curve.5Measurementsoundguys.com/oneplus-buds-4-review-142159Read 8 October 2026Written Objective Measurements section describes the measured default curve and explicitly names its target. No numeric graph interpolation or MDAQS score is stored in acoustic deviation fields.

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

Speech remains understandable in the published voice samples across several noise environments.5Measurementsoundguys.com/oneplus-buds-4-review-142159Read 8 October 2026Reviewer microphone demonstrations and written conclusions, not a maker call-noise claim. Firmware and codec are not specified.

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.

AOnePlus Buds 4

ANC	Hours (h)
Yes	5.52

Source5Measurementsoundguys.com/oneplus-buds-4-review-142159Read 8 October 2026Storm Gray reviewer unit supplied by the maker and tested for two weeks. ANC-on playback lasted 5 h 31 min, stored as 331/60 hours. Firmware, codec and numeric test level are not stated in the product review and remain unknown. This is one earbud charge, not case-inclusive runtime.

BSkullcandy Method 540 ANC

Not available

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

5.52h=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

Not available

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

Not available

Not available

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.

61Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026Maker states three microphones per side and three-microphone AI calls. Six physical microphones across the pair, not three across the pair.

Not available

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.

61Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026Maker three microphones per side. The product page labels feed-forward, talk and feed-back roles.

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

AI1Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026

AI1Maker product pageskullcandy.com/products/method-540-anc-noise-canceling-earbudsRead 15 October 2026Feature list: Clear Voice Smart Mic. The help page says it uses artificial intelligence to isolate the speaker's voice.6Owner's manualskullcandy.com/blogs/product-help/method-540-ancRead 15 October 2026Clear Voice Smart Mic section: artificial intelligence isolates the speaker's voice and reduces background noise.

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

Yes1Maker product pageskullcandy.com/products/method-540-anc-noise-canceling-earbudsRead 15 October 2026Feature list: Natural Voice Sidetone for Calls.

Connectivity

4 of 18 differ

Chip

Not available

Not available

Connections

Bluetooth1Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026

Bluetooth1Maker product pageskullcandy.com/products/method-540-anc-noise-canceling-earbudsRead 15 October 2026Feature list and specs: Bluetooth 5.3 only.

Bluetooth

5.41Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026

5.31Maker product pageskullcandy.com/products/method-540-anc-noise-canceling-earbudsRead 15 October 2026Technical Specifications: Connection Type Bluetooth 5.3. The page does not list codecs.

Bluetooth codecs

LHDC, AAC, SBC1Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026The source names LHDC 5.0, normalized to the schema codec name LHDC. AAC and SBC are also named. LHDC requires a compatible host.

Not available

Bluetooth profiles

HFP, A2DP, AVRCP1Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026

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.

Yes1Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026

Yes1Maker product pageskullcandy.com/products/method-540-anc-noise-canceling-earbudsRead 15 October 2026Feature list: Multipoint Pairing.6Owner's manualskullcandy.com/blogs/product-help/method-540-ancRead 15 October 2026Multipoint Pairing section: pair with two devices at once, but they do not play simultaneously.10Reviewsoundguys.com/skullcandy-method-540-anc-gets-skull-ai-151116Read 15 October 2026News article: Bluetooth multipoint.

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

21Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026

26Owner's manualskullcandy.com/blogs/product-help/method-540-ancRead 15 October 2026Multipoint Pairing section: two devices at once. The earbuds reconnect to the two most recently paired devices.

Multipoint with LDACiMany buds turn multipoint off on LDAC

Not available

Not available

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

Google Fast Pair1Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026

Google Fast Pair1Maker product pageskullcandy.com/products/method-540-anc-noise-canceling-earbudsRead 15 October 2026Feature list: Google Fast Pair.10Reviewsoundguys.com/skullcandy-method-540-anc-gets-skull-ai-151116Read 15 October 2026News article: Bluetooth 5.3, Google Fast Pair and Bluetooth multipoint.

Audio sharingiShare one stream with a second pair

Not available

Not available

Wireless range (claimed)

10m1Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026

Not available

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

2 of 3 differ

Low latency mode

Yes2Maker product pageoneplus.com/us/oneplus-buds-4Read 8 October 2026

Yes1Maker product pageskullcandy.com/products/method-540-anc-noise-canceling-earbudsRead 15 October 2026Skullcandy help page lists Low-Latency Mode in the app. The product page does not.6Owner's manualskullcandy.com/blogs/product-help/method-540-ancRead 15 October 2026App list: turn on Low-Latency Mode to improve performance for gaming or streaming video. TechRadar also lists it.9Reviewtechradar.com/audio/earbuds-airpods/skullcandy-method-540-reviewRead 15 October 2026Review: the app can turn on low-latency mode.

Claimed latency

AOnePlus Buds 4

Connection	Mode	Latency (ms)
Bluetooth	Low latency mode	47

Source2Maker product pageoneplus.com/us/oneplus-buds-4Read 8 October 2026Maker laboratory claim 47 ms in its low-latency feature. Host, codec and firmware are not specified. It is not an independently measured latency or a universal guarantee.

BSkullcandy Method 540 ANC

Not available

Lowest claimed latency

47ms=CalculatedFrom Claimed latency

Not available

Compatibility

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

Android, iOS3Owner's manualmedia.tatacroma.com/Croma%20Assets/Wearable/Wearable%20Devices/User%20Manual/316448_User%20ManualRead 8 October 2026

Not available

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.

AOnePlus Buds 4

Platform	Connection
Android	Bluetooth
iOS	Bluetooth

Source3Owner's manualmedia.tatacroma.com/Croma%20Assets/Wearable/Wearable%20Devices/User%20Manual/316448_User%20ManualRead 8 October 2026Original guide explicitly documents OnePlus Android and other Android/iOS pairing. No USB audio route is assigned to the charging case.

BSkullcandy Method 540 ANC

Not available

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

AOnePlus Buds 4

Feature	Needs
LHDC 5.0 high-resolution playback	Compatible Android device with LHDC 5.0. OnePlus Android 12 or later uses Earbuds Function. Other Android 7.0 or later devices use HeyMelody. Not supported on iOS.
OnePlus 3D Audio and Golden Sound	OnePlus Android 12 or later uses Earbuds Function. Other Android 7.0 or later and iOS devices use HeyMelody.
Steady Connect	Select OnePlus phones with OxygenOS 15.0.0 or later.
AI Translation	Select OnePlus devices with OxygenOS 15.0.1 or later. Supported languages are listed in the app.
Voice assistant shortcut	Enable in OnePlus phone Settings or HeyMelody. Available assistant functions depend on the smartphone and its installed assistant.
Single-tap playback control	Disabled by default. Enable manually in OnePlus phone Settings or HeyMelody.
47 ms low-latency mode	Automatically enabled for OnePlus phone users. Other brands require manual activation in HeyMelody.

Source2Maker product pageoneplus.com/us/oneplus-buds-4Read 8 October 2026Exact footnotes 1, 5, 6, 7, 8, 9 and 11 of the US maker product page. These limit advanced features, not ordinary Bluetooth audio compatibility.

BSkullcandy Method 540 ANC

Feature	Needs
Skull AI	Needs the Skull-iQ app. It is free for a limited time and then a monthly or yearly subscription.
Spotify Tap	Needs the Spotify app on the phone and an active Spotify account.
Multipoint	Two devices stay connected but they do not play audio at the same time. Turn multipoint off in the app before a firmware update.
Skullcandy app	Supported on mobile devices only. There is no app support on PC, iPad or MacBook.

Source6Owner's manualskullcandy.com/blogs/product-help/method-540-ancRead 15 October 2026Multipoint, Spotify Tap, firmware update and new features sections.

Official licence

Not available

Not available

Battery and charging

9 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.

62mAh1Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026Maker unqualified cell capacity of one earbud. Typical versus rated is not identified.

Not available

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.

No4Owner's manualoneplus.com/content/dam/oneplus/2024/eu/store/safety_guide/OnePlus_Buds_4_Safety_Guide.pdfRead 8 October 2026Original safety instructions explicitly prohibit replacing or disassembling the battery. No manufacturer-approved normal replacement procedure was found.

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.

AOnePlus Buds 4

Mode	Codec	Includes case recharges	Hours (h)
ANC off	AAC	No	11
ANC off	AAC	Yes	45
ANC on	AAC	No	6
ANC on	AAC	Yes	24
ANC off	LHDC	No	9
ANC off	LHDC	Yes	37
ANC on	LHDC	No	5.5
ANC on	LHDC	Yes	22
Call	Not available	No	6
Call	Not available	Yes	24
Call	Not available	No	4
Call	Not available	Yes	17

Source1Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026All rows use 50% volume. AAC playback claims: ANC off 11 h buds / 45 h total and ANC on 6 h / 24 h. LHDC playback: off 9 h / 37 h and on 5.5 h / 22 h. Call rows 6 h / 24 h are ANC off, and 4 h / 17 h are ANC on. The maker labels those calls HFP, a profile rather than an actual speech codec, so codec is omitted for call rows. The call mode cannot encode ANC, so those conditions remain here. with_case includes the initial earbud charge.

BSkullcandy Method 540 ANC

Mode	Includes case recharges	Hours (h)
ANC on	No	9
ANC on	Yes	32
ANC off	No	11
ANC off	Yes	40

Source1Maker product pageskullcandy.com/products/method-540-anc-noise-canceling-earbudsRead 15 October 2026Feature list and FAQ: ANC on 9 hours in the earbuds and 23 hours in the case, 32 hours total. ANC off 11 hours in the earbuds and 29 hours in the case, 40 hours total. Volume and codec are not stated. The maker blog gives 42 hours with ANC off and the help page says up to 30 hours with ANC on. The product page figures are stored.

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.

11h=CalculatedFrom Claimed battery life

11h=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.

6h=CalculatedFrom Claimed battery life

9h=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.

11h=CalculatedFrom Claimed battery life

11h=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.

45h=CalculatedFrom Claimed battery life

40h=CalculatedFrom Claimed battery life

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

24h=CalculatedFrom Claimed battery life

32h=CalculatedFrom Claimed battery life

Talk time (claimed)

6h=CalculatedFrom Claimed battery life

Not available

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.

50min1Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026Maker specifies earbuds-only charge time about 50 minutes. The separate about-80-minute result includes both earbuds and case, so it is not stored as case_charge_time_min.

Not available

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.

Not available

Not available

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

10min1Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026

10min1Maker product pageskullcandy.com/products/method-540-anc-noise-canceling-earbudsRead 15 October 2026Feature list: Rapid Charge, 10 minutes gives 2 hours.

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.

3.5h1Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026Maker earbuds-only claim is 3.5 hours after ten minutes. Conditions ANC off, AAC, 50% volume. The eleven-hour quick-charge headline includes case recharges and is not stored here.

2h1Maker product pageskullcandy.com/products/method-540-anc-noise-canceling-earbudsRead 15 October 2026FAQ: the earbuds get 2 hours of battery after 10 minutes in their case. This is earbuds-only playback. ANC and volume are not stated.

Charging case

3 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.

530mAh1Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026Maker unqualified charging case cell capacity. It is separate from one-bud capacity.

Not available

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.

No4Owner's manualoneplus.com/content/dam/oneplus/2024/eu/store/safety_guide/OnePlus_Buds_4_Safety_Guide.pdfRead 8 October 2026Same original safety rule covers the device and accessories, including charging case batteries. Service repair and disposal are not routine user replacement.

Not available

Case charging port

USB-C1Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026

USB-C6Owner's manualskullcandy.com/blogs/product-help/method-540-ancRead 15 October 2026Charging section: the case charges from a power source with the USB-C charging cable and has a single LED next to the USB-C 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

Not available

Wireless charging

No5Measurementsoundguys.com/oneplus-buds-4-review-142159Read 8 October 2026Reviewer explicitly states the USB-C case does not support wireless charging.

Not available

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

Not available

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

4 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.

Touch, Swipe2Maker product pageoneplus.com/us/oneplus-buds-4Read 8 October 2026

Touch6Owner's manualskullcandy.com/blogs/product-help/method-540-ancRead 15 October 2026Quick start default controls use taps and a 1 second hold on either bud. TechRadar says the controls are touch. The help page also calls the control a Main Function Button.9Reviewtechradar.com/audio/earbuds-airpods/skullcandy-method-540-reviewRead 15 October 2026Review: each bud has touch controls if you tap on its body.

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

Swipe2Maker product pageoneplus.com/us/oneplus-buds-4Read 8 October 2026

Touch6Owner's manualskullcandy.com/blogs/product-help/method-540-ancRead 15 October 2026Customize button functions lists volume up and volume down as options. They are not default gestures.

Gestures

Single tap, Double tap, Triple tap, Touch and hold for one second, Slide up and down3Owner's manualmedia.tatacroma.com/Croma%20Assets/Wearable/Wearable%20Devices/User%20Manual/316448_User%20ManualRead 8 October 2026Original English touch table. Single-tap playback is disabled by default and must be enabled in app settings.

Single tap: play or pause, answer a call, Double tap: next track, Triple tap: switch between ANC on, Stay-Aware mode and ANC off, Hold for 1 second: end a call, reject an incoming call, or launch Spotify, Hold for 3 seconds: start pairing mode for a second device6Owner's manualskullcandy.com/blogs/product-help/method-540-ancRead 15 October 2026Quick start default user controls. The page text is flattened, so the mapping of actions to gestures follows its order. A 3 second hold on either bud starts pairing mode in the multipoint steps.

Remappable controls

Yes2Maker product pageoneplus.com/us/oneplus-buds-4Read 8 October 2026

Yes1Maker product pageskullcandy.com/products/method-540-anc-noise-canceling-earbudsRead 15 October 2026Feature list: Customize Button Functions.6Owner's manualskullcandy.com/blogs/product-help/method-540-ancRead 15 October 2026Customize button functions: single, double, triple tap and 1 second hold on both buds can be set in the app. Not every function can be changed.

Voice assistant

Google Gemini, Google Assistant, Apple Siri2Maker product pageoneplus.com/us/oneplus-buds-4Read 8 October 2026

Skull AI1Maker product pageskullcandy.com/products/method-540-anc-noise-canceling-earbudsRead 15 October 2026Page: Skull AI voice assistant, activated with OK, Skully.6Owner's manualskullcandy.com/blogs/product-help/method-540-ancRead 15 October 2026FAQ: Skull AI Beta, OK Skully. Free for a limited time and then paid.

Sensors and health

1 of 9 differ

In-ear detection

Not available

Not available

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.

Yes2Maker product pageoneplus.com/us/oneplus-buds-4Read 8 October 2026

Not available

Hearing protectioniLimits sudden loud sounds

Not available

Not available

Health features

Not available

Not available

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.

S, M, L1Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026

S, M, L1Maker product pageskullcandy.com/products/method-540-anc-noise-canceling-earbudsRead 15 October 2026What's in the box: Ear Gel sizes S, M, L.10Reviewsoundguys.com/skullcandy-method-540-anc-gets-skull-ai-151116Read 15 October 2026News article, 12 January 2026: three pairs of ear tips.

Ear tip materials

Silicone4Owner's manualoneplus.com/content/dam/oneplus/2024/eu/store/safety_guide/OnePlus_Buds_4_Safety_Guide.pdfRead 8 October 2026

Not available

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

Not available

Fins1Maker product pageskullcandy.com/products/method-540-anc-noise-canceling-earbudsRead 15 October 2026What's in the box: Fit Fin sizes S, M, L.9Reviewtechradar.com/audio/earbuds-airpods/skullcandy-method-540-reviewRead 15 October 2026Review: fins wedge the buds into the ear.

Ear tip fit test

Yes3Owner's manualmedia.tatacroma.com/Croma%20Assets/Wearable/Wearable%20Devices/User%20Manual/316448_User%20ManualRead 8 October 2026

Not available

Dust and water rating, buds

IP551Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026

IPX41Maker product pageskullcandy.com/products/method-540-anc-noise-canceling-earbudsRead 15 October 2026Feature list: IPX4 Sweat and Water Resistant. No rating is stated for the case.

Dust and water rating, case

Not available

Not available

Water resistance depth

Not available

Not available

Software

2 of 6 differ

Companion app

HeyMelody and OnePlus Wireless Earphones3Owner's manualmedia.tatacroma.com/Croma%20Assets/Wearable/Wearable%20Devices/User%20Manual/316448_User%20ManualRead 8 October 2026Original guide names built-in Wireless Earphones / OnePlus Buds settings on OnePlus phones and HeyMelody for other Android/iOS phones. Current US footnotes take precedence for advanced feature OS requirements.

Skull-iQ1Maker product pageskullcandy.com/products/method-540-anc-noise-canceling-earbudsRead 15 October 2026FAQ: download the Skull-iQ app. The app store listing is named Skullcandy.

App platforms

Android, iOS3Owner's manualmedia.tatacroma.com/Croma%20Assets/Wearable/Wearable%20Devices/User%20Manual/316448_User%20ManualRead 8 October 2026

Android, iOS6Owner's manualskullcandy.com/blogs/product-help/method-540-ancRead 15 October 2026The Skullcandy app is supported on mobile devices only. The US page links the iOS and Google Play app stores.

User firmware updates

Yes1Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026

Yes6Owner's manualskullcandy.com/blogs/product-help/method-540-ancRead 15 October 2026Firmware over the air updates through the Skullcandy app.

Finding network

Not available

Not available

Precision findingiUWB in the case

Not available

Not available

Live translation

Yes2Maker product pageoneplus.com/us/oneplus-buds-4Read 8 October 2026

Not available

Dimensions and weight

3 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.

4.73g(0.2 oz)1Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026Maker single-earbud mass 4.73 ± 0.2 g. Empty-case mass is omitted because the linked workbook has 39.97 g and 39.57 g on differently keyed sheets without an exact colour/configuration bridge. Unlabelled dimension tuples do not establish axes.

11g(0.4 oz)1Maker product pageskullcandy.com/products/method-540-anc-noise-canceling-earbudsRead 15 October 2026Technical Specifications: Weight Buds 11g each.

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

Not available

Not available

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

Not available

72g(2.5 oz)1Maker product pageskullcandy.com/products/method-540-anc-noise-canceling-earbudsRead 15 October 2026Technical Specifications: Case 72g.9Reviewtechradar.com/audio/earbuds-airpods/skullcandy-method-540-reviewRead 15 October 2026Review: charging case 72g.

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

Not available

Width36Height102Depth29mm(1.4 × 4 × 1.1 in)1Maker product pageskullcandy.com/products/method-540-anc-noise-canceling-earbudsRead 15 October 2026Product gallery drawing with front and side views: 1.4 in (3.6 cm) wide, 1.1 in (2.9 cm) deep and 4 in (10.2 cm) high. Converted exactly to mm. The height excludes the clip ring. TechRadar gives 3.6 x 2.9 x 10.2 cm for the case.9Reviewtechradar.com/audio/earbuds-airpods/skullcandy-method-540-reviewRead 15 October 2026Review: the case measures 3.6 x 2.9 x 10.2 cm. The axes are not labelled in the text, so the product gallery drawing sets them.

Certifications

1 of 3 differ

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

Hi-Res Audio Wireless2Maker product pageoneplus.com/us/oneplus-buds-4Read 8 October 2026Maker displays Hi-Res Audio Wireless branding and describes compatible LHDC 5.0 high-resolution playback.

Not available

Communication certifications

Not available

Not available

FCC IDs

Not available

Not available

Other certifications

Not available

Not available

In the box

2 of 2 differ

In the box

OnePlus Buds 4 (one pair), OnePlus Buds 4 Charging Case, Type-C Charging Cable, Ear Tips (S, M, L pairs, M pre-installed), User Manual and Safety and Warranty1Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026

Method 540 ANC True Wireless Earbuds, Charging Case, Ear Gel sizes: S, M, L, Fit Fin sizes: S, M, L, User Guide1Maker product pageskullcandy.com/products/method-540-anc-noise-canceling-earbudsRead 15 October 2026What's in the box list. The list shows no cable. The help page mentions an included USB-C charging cable.

Cables included

AOnePlus Buds 4

Type	Count
USB-A to USB-C charging cable	1

Source5Measurementsoundguys.com/oneplus-buds-4-review-142159Read 8 October 2026Reviewer explicitly identifies the supplied cable as USB-A to USB-C. Length is not stated.

BSkullcandy Method 540 ANC

Type	Count
USB-C charging cable	1

Source6Owner's manualskullcandy.com/blogs/product-help/method-540-ancRead 15 October 2026Charging section: the included USB-C charging cable. The product page box list does not show a cable.

Links

Not compared

Product page

www.oneplus.com/us/oneplus-buds-41Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026

www.skullcandy.com/products/method-540-anc-noise-canceling-earbuds1Maker product pageskullcandy.com/products/method-540-anc-noise-canceling-earbudsRead 15 October 2026

Spec sheet

www.oneplus.com/content/dam/oneplus/2025/specs/buds4/parameter-na-buds4-0701.xlsx1Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 8 October 2026Public maker workbook linked by the page. Rendered specifications select sheet P000001. The workbook also includes unselected P000002 with differing case mass and call-profile labels, so no exact colour-dependent case mass is inferred.

Not available

Manual

media.tatacroma.com/Croma%20Assets/Wearable/Wearable%20Devices/User%20Manual/316448_User%20Manual3Owner's manualmedia.tatacroma.com/Croma%20Assets/Wearable/Wearable%20Devices/User%20Manual/316448_User%20ManualRead 8 October 2026Maker-authored original two-page English/Hindi user guide hosted by the retailer. Its English page was read in full. Global model identity is separately confirmed by the original OnePlus safety document E513A.

www.skullcandy.com/blogs/product-help/method-540-anc6Owner's manualskullcandy.com/blogs/product-help/method-540-ancRead 15 October 2026Maker product help page for the Method 540 ANC with setup, controls, app and charging. It is the online guide. No PDF user guide was found.

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

1 of 1 differ

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.

Not available

1year1Maker product pageskullcandy.com/products/method-540-anc-noise-canceling-earbudsRead 15 October 2026Store page: 1-Year Limited Warranty. US market.

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