Earbuds / Compare

OnePlus Buds 4 vs soundcore Liberty 5

A

Product A: OnePlus

Buds 4

82 of 166 known

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B

Product B: soundcore

Liberty 5

81 of 166 known

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Every value links to where we found it.

Only differences

AOnePlus Buds 4

Bsoundcore Liberty 5

General

4 of 8 differ

Series

Not available

Not available

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.

A3957, A3957Z112Maker product pageus.soundcore.com/products/a3957-liberty-5-tws-earbuds.jsRead 8 October 2026Core model A3957 from the exact maker guide and current sales SKU A3957Z11 from the native Black variant. Liberty 5 Pro D1203 and Pro Max are separate products.

GTIN / EAN

Not available

1946442308212Maker product pageus.soundcore.com/products/a3957-liberty-5-tws-earbuds.jsRead 8 October 2026Native exact Black variant barcode 194644230821.

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

Not available

Not available

Status

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

Available2Maker product pageus.soundcore.com/products/a3957-liberty-5-tws-earbuds.jsRead 8 October 2026Native official US Black variant 45054910955710 has available true on the access date. Stock is a point-in-time observation, not a promised quantity.

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

$129.995Press releaseglobenewswire.com/news-release/2025/05/07/3075944/0/en/soundcore-launches-liberty-5-with-stronger-voice-reduction-adaptive-anc-3-0-and-immersive-dolby-audio.htmlRead 8 October 2026Published US launch price, not current promotional price.

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

€99.995Press releaseglobenewswire.com/news-release/2025/05/07/3075944/0/en/soundcore-launches-liberty-5-with-stronger-voice-reduction-adaptive-anc-3-0-and-immersive-dolby-audio.htmlRead 8 October 2026

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

Not available

US2Maker product pageus.soundcore.com/products/a3957-liberty-5-tws-earbuds.jsRead 8 October 2026

ColoursiThe maker's own colour names

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

Black, White, Navy Blue, Apricot2Maker product pageus.soundcore.com/products/a3957-liberty-5-tws-earbuds.jsRead 8 October 2026

Segment

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

Music1Maker product pagesoundcore.com/products/a3957-liberty-5-tws-earbudsRead 8 October 2026

Design

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

In-ear1Maker product pagesoundcore.com/products/a3957-liberty-5-tws-earbudsRead 8 October 2026

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

Stem1Maker product pagesoundcore.com/products/a3957-liberty-5-tws-earbudsRead 8 October 2026

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

Not available

Either bud4Maker product pageservice.soundcore.com/article-description/soundcore-Liberty-5-Earbuds-FAQRead 8 October 2026Return either earbud to the case and close it to use the other alone.

RGB lighting

Not available

Not available

Drivers and sound

10 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.

Bsoundcore Liberty 5

Diameter (mm)
9.2

Source1Maker product pagesoundcore.com/products/a3957-liberty-5-tws-earbudsRead 8 October 2026

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

9.2mm=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.

Wool-paper1Maker product pagesoundcore.com/products/a3957-liberty-5-tws-earbudsRead 8 October 2026

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 HzMax40 kHz3Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000025116/en_US/000025116.pdfRead 8 October 2026Published acoustic frequency response 20 Hz to 40 kHz from the earbud Specs table, not a codec-derived range.

Impedance

Not available

17Ω3Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000025116/en_US/000025116.pdfRead 8 October 2026

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

Yes1Maker product pagesoundcore.com/products/a3957-liberty-5-tws-earbudsRead 8 October 2026

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

85Press releaseglobenewswire.com/news-release/2025/05/07/3075944/0/en/soundcore-launches-liberty-5-with-stronger-voice-reduction-adaptive-anc-3-0-and-immersive-dolby-audio.htmlRead 8 October 2026

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

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.

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.

Dolby Audio3Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000025116/en_US/000025116.pdfRead 8 October 2026Licensed Dolby Audio with Music, Podcast and Movie modes. No Dolby Atmos or dynamic head tracking is inferred.

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

Not available

Not available

Noise cancelling

4 of 11 differ

Active noise cancelling

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

Yes1Maker product pagesoundcore.com/products/a3957-liberty-5-tws-earbudsRead 8 October 2026The 6.5 dB improvement against Liberty 4 NC is relative voice-range reduction at 300 Hz to 3 kHz. It is not an absolute maximum attenuation and is not stored in an attenuation field.

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.

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.

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.

45Press releaseglobenewswire.com/news-release/2025/05/07/3075944/0/en/soundcore-launches-liberty-5-with-stronger-voice-reduction-adaptive-anc-3-0-and-immersive-dolby-audio.htmlRead 8 October 2026Maker release explicitly four of the six microphones serve ANC. All six serve call processing. Counts physical microphones across the pair once.

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

Yes1Maker product pagesoundcore.com/products/a3957-liberty-5-tws-earbudsRead 8 October 2026Adaptive ANC 3.0 recalibrates three times per second when no audio is playing, according to the product footnote. The published 0.3-second interval is not Bluetooth audio latency.

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

Not available

53Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000025116/en_US/000025116.pdfRead 8 October 2026

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 pagesoundcore.com/products/a3957-liberty-5-tws-earbudsRead 8 October 2026

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

Yes7Maker product pageservice.soundcore.com/article-description/What-should-I-do-if-I-hear-wind-noise-while-using-Liberty-5-outdoorsRead 8 October 2026Specific selectable Wind Noise Cancellation/Reduction function on the app Noise Cancellation page, distinct from AI call processing. Maker recommends enabling it in windy conditions.

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.

SoundGuys found bass and treble emphasis with the default tuning. Acoustic EQ reduced bass somewhat, while Dolby processing changed response and perceived width. Exact firmware and app version were not published for the review sample.9Measurementsoundguys.com/anker-soundcore-liberty-5-review-137445Read 8 October 2026Reviewer reports default bass and high-frequency emphasis, with additional response changes from Acoustic EQ and Dolby processing. No unread chart coordinates, sound-quality scores or percentage loudness reduction are converted into numerical dB fields.

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.

SoundGuys found speech intelligible across simulated office, street, wind and reverberant environments, alongside an ideal-condition demonstration. These are qualitative results from the provided review sample, without published firmware or app version.9Measurementsoundguys.com/anker-soundcore-liberty-5-review-137445Read 8 October 2026Exact review explicitly reports intelligible voices in its simulated noise environments and provides ideal, office, street, windy and reverberant microphone demonstrations. No numerical speech bandwidth, noise-handling score or frequency response is inferred.

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.

Bsoundcore Liberty 5

ANC	Hours (h)
Yes	7.13

Source9Measurementsoundguys.com/anker-soundcore-liberty-5-review-137445Read 8 October 2026Original company-provided Liberty 5 sample tested for one week. ANC-enabled playback lasted seven hours eight minutes, added to the review May 8, 2025. Firmware, app version, codec, volume, ANC strength and battery-test host are not identified. The separate iPhone connectivity anecdote does not establish the battery-test host. This is not a retest of current sales stock.

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)

7.13h=CalculatedFrom Battery life (measured)

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

1 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.

61Maker product pagesoundcore.com/products/a3957-liberty-5-tws-earbudsRead 8 October 2026Six physical microphones across the pair are used for calls. Shared ANC and call functions do not count as additional microphones.

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.

61Maker product pagesoundcore.com/products/a3957-liberty-5-tws-earbudsRead 8 October 2026Six physical microphones across both earbuds, counted once despite shared ANC, transparency and call roles. No case microphone is added.

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 pagesoundcore.com/products/a3957-liberty-5-tws-earbudsRead 8 October 2026

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

Yes3Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000025116/en_US/000025116.pdfRead 8 October 2026During a call or meeting, squeeze either stem once to mute or unmute. The function may need enabling in soundcore Controls. Phone/app-only mute is not counted.

SidetoneiHear your own voice in calls

Not available

Not available

Connectivity

3 of 18 differ

Chip

Not available

Not available

Connections

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

Bluetooth3Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000025116/en_US/000025116.pdfRead 8 October 2026

Bluetooth

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

5.43Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000025116/en_US/000025116.pdfRead 8 October 2026

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.

SBC, AAC, LDAC9Measurementsoundguys.com/anker-soundcore-liberty-5-review-137445Read 8 October 2026Exact base Liberty 5 review states SBC, AAC and LDAC. No LE Audio or Auracast support or absence is inferred from Bluetooth 5.4.

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 pagesoundcore.com/products/a3957-liberty-5-tws-earbudsRead 8 October 2026

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

21Maker product pagesoundcore.com/products/a3957-liberty-5-tws-earbudsRead 8 October 2026

Multipoint with LDACiMany buds turn multipoint off on LDAC

Not available

Yes1Maker product pagesoundcore.com/products/a3957-liberty-5-tws-earbudsRead 8 October 2026The exact Liberty 5 product FAQ explicitly supports Dual Connections and LDAC simultaneously. Restrictions from Liberty 4 NC, Space A40 or Liberty 5 Pro do not apply.

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 Pair3Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000025116/en_US/000025116.pdfRead 8 October 2026Google Fast Pair requires Android 6.0 or above.

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

10m3Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000025116/en_US/000025116.pdfRead 8 October 2026

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

Yes3Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000025116/en_US/000025116.pdfRead 8 October 2026Gaming mode is named but no numerical latency is published in this guide. Gaming mode cannot operate with LDAC or Dolby Audio.

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.

Bsoundcore Liberty 5

Not available

Lowest claimed latency

47ms=CalculatedFrom Claimed latency

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, 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.

Bsoundcore Liberty 5

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.

Bsoundcore Liberty 5

Feature	Needs
LDAC audio	Compatible Android 8.0 or later source. Enable Preferred Audio Quality in soundcore. Dual Connections is supported, but reduces runtime. Use a low-interference environment.
Gaming mode	Enable in soundcore. Cannot run simultaneously with LDAC or Dolby Audio.
Dolby Audio	Enable Music, Podcast or Movie mode in soundcore. Effects vary with source and device. No head tracking is promised.
Mic mute control	During a call or meeting, squeeze either stem once. May require enabling the function in soundcore Controls.
Remote Photo Snap	Wear the Bluetooth-connected earbuds and open the phone camera. May require enabling soundcore Controls. Some phones do not support it.
Google Fast Pair	Android 6.0 or above.
HearID 4.0	Sign into a soundcore account, then run HearID Sound Test. Results are saved and applied.
Computer calls	Windows conference apps: Liberty 5 Hands-Free for microphone and speaker. macOS: Liberty 5 for both input and output.
Earbud volume controls	Assign the volume function in soundcore Controls. Earbud gestures are pressure squeezes according to the exact guide.

Source3Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000025116/en_US/000025116.pdfRead 8 October 2026LDAC requires Android 8.0 or later and Preferred Audio Quality in the app. Remote Photo Snap requires worn, Bluetooth-connected earbuds and an open phone camera, may need Controls activation and is unsupported on some phones. Mic mute may also require Controls activation.4Maker product pageservice.soundcore.com/article-description/soundcore-Liberty-5-Earbuds-FAQRead 8 October 2026HearID Sound Test requires signing into a soundcore account. Windows conference calls use Liberty 5 Hands-Free as input/output. macOS uses Liberty 5 for both, rather than borrowing the Windows device-name guidance.6Maker product pageservice.soundcore.com/article-description/How-do-I-adjust-the-volume-via-touch-controlsRead 8 October 2026

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.

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

60mAh3Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000025116/en_US/000025116.pdfRead 8 October 2026Specs table explicitly 60 mAh x2 for the earbuds. Stored capacity is one earbud cell. Typical or rated designation is not provided.

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.

Bsoundcore Liberty 5

Mode	Spatial audio	Includes case recharges	Hours (h)
ANC off	Not available	No	12
ANC off	Not available	Yes	48
ANC on	Not available	No	8
ANC on	Not available	Yes	32
Transparency	Not available	No	8
Transparency	Not available	Yes	32
ANC on	Yes	No	5
Call	Not available	No	5.5

Source4Maker product pageservice.soundcore.com/article-description/soundcore-Liberty-5-Earbuds-FAQRead 8 October 2026Normal 12/48 h, ANC 8/32 h and Transparency 8/32 h are explicitly earbuds-only/case-inclusive respectively. ANC with Dolby is five hours earbuds-only. Calls with ANC are 5.5 hours for both earbuds, versus 4.5 hours single-earbud use. The four-hour Dual Connections with LDAC/Dolby entry does not state ANC or distinguish the slash conditions, so it remains visible guidance rather than an invented row. Codec and spatial state are omitted for generic runtime rows. The FAQ footnote names default settings, Normal mode and 50% volume, which does not prove those settings for each specialized ANC/call/Dolby condition.

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

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.

6h=CalculatedFrom Claimed battery life

8h=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

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.

45h=CalculatedFrom Claimed battery life

48h=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

5.5h=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.

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.

60min3Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000025116/en_US/000025116.pdfRead 8 October 2026Guide states up to one hour for earbuds, converted to 60 minutes. Exact FAQ instead says about 50 minutes. Different estimates are preserved without inventing their test settings or firmware explanation.

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

The guide estimates up to 60 minutes for earbuds and three hours for the charging case with earbuds by USB-C, or four hours wirelessly. The FAQ separately estimates about 50 minutes for earbuds, two hours for an empty case by cable, 2.5 hours with earbuds, and 3.5 hours for an empty case wirelessly. These are maker estimates with different component scopes and unspecified test details. Input is 5 V 0.8 A. Dry the earbuds and USB-C port before charging. Ten minutes of earbud charging in the case claims up to five hours of playback, with ANC, codec and Dolby settings unspecified. The FAQ also claims four hours with Dual Connections plus LDAC/Dolby Sound, without specifying ANC or resolving the slash conditions.3Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000025116/en_US/000025116.pdfRead 8 October 2026Guide input is 5 V 0.8 A. Its separate applicable Anker A2337 adapter example is rated up to 30 W and does not establish device charging wattage or a supplied adapter.

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

10min3Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000025116/en_US/000025116.pdfRead 8 October 2026

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.

5h3Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000025116/en_US/000025116.pdfRead 8 October 2026Guide and maker release explicitly say charging the earbuds in the case for ten minutes gives up to five hours of playback. ANC, codec, Dolby and volume settings for this fast-charge claim are not specified.

Charging case

6 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.

580mAh3Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000025116/en_US/000025116.pdfRead 8 October 2026Explicit 580 mAh charging-case cell, with no typical or rated designation. Charging input current is separate.

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-C3Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000025116/en_US/000025116.pdfRead 8 October 2026

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

120min4Maker product pageservice.soundcore.com/article-description/soundcore-Liberty-5-Earbuds-FAQRead 8 October 2026FAQ explicitly distinguishes the case without earbuds: two hours using a wall charger, converted to 120 minutes. It also gives 2.5 hours with earbuds and 3.5/4 hours wireless without/with earbuds. Guide combined estimate is three hours, separately retained.

Wireless charging

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

Yes3Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000025116/en_US/000025116.pdfRead 8 October 2026

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

Not available

Qi9Measurementsoundguys.com/anker-soundcore-liberty-5-review-137445Read 8 October 2026

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

No9Measurementsoundguys.com/anker-soundcore-liberty-5-review-137445Read 8 October 2026Reviewer explicitly distinguishes the simple LED light strip from the predecessor case screen.

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

Pressure3Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000025116/en_US/000025116.pdfRead 8 October 2026

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

Pressure6Maker product pageservice.soundcore.com/article-description/How-do-I-adjust-the-volume-via-touch-controlsRead 8 October 2026Exact Liberty 5 support page permits enabling volume functions in soundcore Controls. The page calls them touch commands generically, while the actual guide specifies squeezed pressure-control stems.

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 squeeze: play/pause or answer a call according to the current guide, Double squeeze right: next track, Double squeeze left: previous track, Hold either stem for two seconds: reject/end a call or switch ANC/Transparency, Single squeeze during calls: mute/unmute after enabling the control if needed, Single squeeze in supported phone camera: Remote Photo Snap3Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000025116/en_US/000025116.pdfRead 8 October 2026Current guide controls distinguish playback and call contexts. Guide says a single squeeze answers calls, while the general FAQ says double-press. The guide gesture is retained with the disagreement explicit, rather than claiming both defaults.

Remappable controls

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

Yes3Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000025116/en_US/000025116.pdfRead 8 October 2026

Voice assistant

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

Not available

Sensors and health

1 of 9 differ

In-ear detection

Not available

Yes5Press releaseglobenewswire.com/news-release/2025/05/07/3075944/0/en/soundcore-launches-liberty-5-with-stronger-voice-reduction-adaptive-anc-3-0-and-immersive-dolby-audio.htmlRead 8 October 20268Maker product pageservice.soundcore.com/article-description/Why-does-the-music-pause-or-noise-cancellation-change-automaticallyRead 8 October 2026

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

Yes1Maker product pagesoundcore.com/products/a3957-liberty-5-tws-earbudsRead 8 October 2026HearID 4.0 explicitly assesses hearing, compares results with the age group and tests sound preferences. This is consumer sound personalization, not a medical diagnosis.

Hearing protectioniLimits sudden loud sounds

Not available

Not available

Health features

Not available

Not available

Fit and durability

2 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

XXS, XS, S, M, L, XL1Maker product pagesoundcore.com/products/a3957-liberty-5-tws-earbudsRead 8 October 2026Maker supplies XXS, XS, S, M, L and XL. The fitted pair counts among the six sizes.

Ear tip materials

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

Silicone9Measurementsoundguys.com/anker-soundcore-liberty-5-review-137445Read 8 October 2026Reviewer explicitly calls the fitted tips silicone.

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

Not available

None9Measurementsoundguys.com/anker-soundcore-liberty-5-review-137445Read 8 October 2026Review explicitly says no wings or fins included, with ordinary in-ear tip fit. No optional ear hooks are treated as supplied.

Ear tip fit test

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

Yes4Maker product pageservice.soundcore.com/article-description/soundcore-Liberty-5-Earbuds-FAQRead 8 October 2026Exact FAQ recommends the soundcore Fit Test to check ear-tip seal and fit.

Dust and water rating, buds

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

IP553Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000025116/en_US/000025116.pdfRead 8 October 2026Guide explicitly labels IP55 as the earbuds waterproof and dustproof level. Case protection remains unknown.

Dust and water rating, case

Not available

Not available

Water resistance depth

Not available

Not available

Software

3 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.

soundcore1Maker product pagesoundcore.com/products/a3957-liberty-5-tws-earbudsRead 8 October 2026

App platforms

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

Not available

User firmware updates

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

Yes3Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000025116/en_US/000025116.pdfRead 8 October 2026

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

2 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.

4.6g(0.2 oz)5Press releaseglobenewswire.com/news-release/2025/05/07/3075944/0/en/soundcore-launches-liberty-5-with-stronger-voice-reduction-adaptive-anc-3-0-and-immersive-dolby-audio.htmlRead 8 October 2026Release explicitly 4.6 g each. Tip size is not stated. This is maker mass, not a reviewer measurement.

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

47.9g(1.7 oz)5Press releaseglobenewswire.com/news-release/2025/05/07/3075944/0/en/soundcore-launches-liberty-5-with-stronger-voice-reduction-adaptive-anc-3-0-and-immersive-dolby-audio.htmlRead 8 October 2026Release lists case mass 47.90 g separately from 4.6 g each earbud. Unlabelled dimension tuples are omitted because width/height/depth axes are not identified.

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

Not available

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.

Hi-Res Audio Wireless, Hi-Res Audio5Press releaseglobenewswire.com/news-release/2025/05/07/3075944/0/en/soundcore-launches-liberty-5-with-stronger-voice-reduction-adaptive-anc-3-0-and-immersive-dolby-audio.htmlRead 8 October 2026Release explicitly supports both Hi-Res Audio Wireless and Hi-Res Audio. This does not establish lossless playback or codec bit depth.

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

Left and right earbuds, Charging case, Six ear-tip sizes, USB-C charging cable1Maker product pagesoundcore.com/products/a3957-liberty-5-tws-earbudsRead 8 October 2026Current maker box list includes the earbuds, charging case, six ear-tip sizes and supplied USB-C cable. Bundled documentation and an optional adapter are not inferred from the separate downloadable user guide.

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.

Bsoundcore Liberty 5

Not available

Links

Not compared

Product page

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

us.soundcore.com/products/a3957-liberty-5-tws-earbuds2Maker product pageus.soundcore.com/products/a3957-liberty-5-tws-earbuds.jsRead 8 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.

www.soundcore.com/products/a3957-liberty-5-tws-earbuds1Maker product pagesoundcore.com/products/a3957-liberty-5-tws-earbudsRead 8 October 2026Exact A3957 product page was opened through ordinary public web results. Local page requests can redirect by region to Anker Nordics. The official US native product JSON independently proves the selected Black sales SKU. No regional redirect is treated as the product specifications.

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.

salesforce-knowledge-download.s3.us-west-2.amazonaws.com/000025116/en_US/000025116.pdf3Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000025116/en_US/000025116.pdfRead 8 October 2026Official current A3957 service index links this English user guide. PDF edition A3957_EN_UG_V3_20250814, published in the service index September 1, 2025. Original Specs and Quick Mute pages were visually checked.

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

None of 1 known

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

Not available

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