Earbuds / Compare

OnePlus Buds 3 vs OnePlus Buds 4

A

Product A: OnePlus

Buds 3

84 of 166 known

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B

Product B: OnePlus

Buds 4

82 of 166 known

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Every value links to where we found it.

Only differences

AOnePlus Buds 3

BOnePlus Buds 4

General

4 of 8 differ

Series

Not available

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

E509A8Press articlefonearena.com/blog/410958/oneplus-buds-3-fcc-certification.html/ampRead 10 October 2026FCC filing reported before launch under model E509A. Not checked against the product label. Pre-launch figures in that article (4.77 g, 48 dB) differ from the final specifications and are not used.

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.

GTIN / EAN

Not available

Not available

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

23 January 20247Press articlethetechoutlook.com/new-release/gadgets-release/earphones/oneplus-buds-3-launched-in-india-at-the-starting-price-of-rs-5499Read 10 October 2026Global launch with the OnePlus 12 and 12R, article dated 23 January 2024. The earbuds had already launched in China in January 2024.

Not available

Status

Available1Maker product pageoneplus.com/us/oneplus-buds-3/specsRead 10 October 2026Maker still lists the product with a Buy now button.

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

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

Not available

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.

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.

OnePlus Buds 49Reviewtechradar.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

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

$993Reviewtomsguide.com/reviews/oneplus-buds-3Read 10 October 2026Priced at 99 USD at launch. The review is dated 5 February 2024.4Reviewandroidcentral.com/accessories/audio/oneplus-buds-3-reviewRead 10 October 2026Starts at 99 USD in North America.5Press article9to5google.comRead 10 October 2026Announced at 99 USD, 79 USD below the OnePlus Buds Pro 2.

Not available

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.

€996Press articleandroidworld.nl/nieuws/oneplus-kondigt-oneplus-buds-3-aan-oordopjes-van-99-euroRead 10 October 2026Recommended price 99 EUR in the Netherlands and Belgium from 6 February. VAT included as published. Notebookcheck reports the same 99 EUR for Europe.

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

Not available

ColoursiThe maker's own colour names

Metallic Gray, Splendid Blue1Maker product pageoneplus.com/us/oneplus-buds-3/specsRead 10 October 20265Press article9to5google.comRead 10 October 2026

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

Segment

Music2Maker product pageoneplus.com/us/oneplus-buds-3Read 10 October 2026

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

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-ear2Maker product pageoneplus.com/us/oneplus-buds-3Read 10 October 2026The earbuds use silicone ear tips in three sizes.

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

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

Stem2Maker product pageoneplus.com/us/oneplus-buds-3Read 10 October 2026Volume is controlled on the stems of the earbuds.

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

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

Not available

Not available

RGB lighting

Not available

Not available

Drivers and sound

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

AOnePlus Buds 3

Type	Role	Diameter (mm)	Count per earbud
Dynamic	Woofer	10.4	1
Dynamic	Tweeter	6	1

Source1Maker product pageoneplus.com/us/oneplus-buds-3/specsRead 10 October 202610.4 mm woofer plus 6 mm tweeter dual drivers per earbud. The overview page calls them dual dynamic drivers.

BOnePlus 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.

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

Dynamic2Maker product pageoneplus.com/us/oneplus-buds-3Read 10 October 2026

Not available

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

10.4mm=CalculatedFrom Drivers per bud

11mm=CalculatedFrom Drivers per bud

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

2=CalculatedFrom Drivers per bud

2=CalculatedFrom Drivers per bud

Diaphragm material

Woofer: dual outer layer of TPU material.2Maker product pageoneplus.com/us/oneplus-buds-3Read 10 October 2026Woofer outer layer is dual TPU. The tweeter material is not stated.

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.

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-3/specsRead 10 October 202615 Hz to 40 kHz acoustic frequency response. Test method is not stated.

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.

Impedance

Not available

Not available

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.

96kHz2Maker product pageoneplus.com/us/oneplus-buds-3Read 10 October 2026LHDC 5.0 claim of 96 kHz and 24 bit at 1 Mbps. Needs a compatible source. Not supported on iOS.

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.

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-3Read 10 October 2026

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.

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-3Read 10 October 2026

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

Onboard EQ

Yes3Reviewtomsguide.com/reviews/oneplus-buds-3Read 10 October 2026

Not available

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

63Reviewtomsguide.com/reviews/oneplus-buds-3Read 10 October 2026Sound Master EQ offers a customizable 6-band equalizer.

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

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

Balanced, Serenade, Bass3Reviewtomsguide.com/reviews/oneplus-buds-3Read 10 October 2026Three presets: Balanced, Serenade and Bass, plus the BassWave setting.

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

Volume limit

Not available

Not available

Spatial audio

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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-3Read 10 October 2026

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.

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

No2Maker product pageoneplus.com/us/oneplus-buds-3Read 10 October 2026Footnote 6: 3D audio does not support head tracking.

Not available

Noise cancelling

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Active noise cancelling

Yes1Maker product pageoneplus.com/us/oneplus-buds-3/specsRead 10 October 2026

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

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-3Read 10 October 2026The microphone graphic shows a feed-forward and a feed-back microphone in each earbud, plus a talk microphone. Both ANC microphone positions make this hybrid.

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.

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-3Read 10 October 2026Two ANC microphones per earbud, four across the pair. The talk microphone is not counted.

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.

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

Yes2Maker product pageoneplus.com/us/oneplus-buds-3Read 10 October 2026Adaptive noise cancellation scans the ear canal shape. Smart Scene Noise Cancellation analyses ambient noise in the background.

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

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

32Maker product pageoneplus.com/us/oneplus-buds-3Read 10 October 2026Three intensity levels: Mild, Moderate and Max. Tom's Guide also lists a Smart mode.

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.

49dB1Maker product pageoneplus.com/us/oneplus-buds-3/specsRead 10 October 2026Up to 49 dB Smart Adaptive Noise Cancellation. Overview page adds a 4000 Hz cancellation range and TUV Rheinland certification.

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.

Transparency mode

Yes1Maker product pageoneplus.com/us/oneplus-buds-3/specsRead 10 October 2026

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

Yes2Maker product pageoneplus.com/us/oneplus-buds-3Read 10 October 2026AI Clear Call with three built-in mics and an anti-wind noise design.

Not available

Measured

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

Not available

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.

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

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.

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 3

ANC	Hours (h)
Yes	7

Source4Reviewandroidcentral.com/accessories/audio/oneplus-buds-3-reviewRead 10 October 2026Reviewer reports about seven hours with ANC on, no hi-res playback and default volume. It is an approximate figure from daily use. Firmware and codec are not stated.

BOnePlus 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.

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

7h=CalculatedFrom Battery life (measured)

5.52h=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

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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-3/specsRead 10 October 20263 mics per side. The overview page names a feed-forward, a feed-back and a talk microphone, used for AI Clear Call.

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.

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-3/specsRead 10 October 2026

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.

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

AI2Maker product pageoneplus.com/us/oneplus-buds-3Read 10 October 2026AI Clear Call algorithm keeps calls free of wind and background noise.

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

Not available

SidetoneiHear your own voice in calls

Not available

Not available

Connectivity

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Chip

Not available

Not available

Connections

Bluetooth1Maker product pageoneplus.com/us/oneplus-buds-3/specsRead 10 October 2026

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

Bluetooth

5.31Maker product pageoneplus.com/us/oneplus-buds-3/specsRead 10 October 2026

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

Bluetooth codecs

LHDC, AAC, SBC1Maker product pageoneplus.com/us/oneplus-buds-3/specsRead 10 October 2026LHDC, AAC and SBC. The overview page names LHDC 5.0.3Reviewtomsguide.com/reviews/oneplus-buds-3Read 10 October 2026

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.

Bluetooth profiles

HFP, A2DP, AVRCP1Maker product pageoneplus.com/us/oneplus-buds-3/specsRead 10 October 2026

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

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-3/specsRead 10 October 2026The page lists Dual Connection. The overview page says two devices can be connected simultaneously.2Maker product pageoneplus.com/us/oneplus-buds-3Read 10 October 2026

Yes1Maker product pageoneplus.com/us/oneplus-buds-4/specsRead 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-3/specsRead 10 October 2026

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

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-3/specsRead 10 October 2026

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

Audio sharingiShare one stream with a second pair

Not available

Not available

Wireless range (claimed)

10m1Maker product pageoneplus.com/us/oneplus-buds-3/specsRead 10 October 202610 m. Footnote: requires Bluetooth-compatible devices with a maximum transmission range of 10 meters. Interference may break the connection.

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

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Low latency mode

Yes1Maker product pageoneplus.com/us/oneplus-buds-3/specsRead 10 October 2026

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

Claimed latency

AOnePlus Buds 3

Connection	Mode	Latency (ms)
Bluetooth	Select OnePlus phones with Pro Gaming mode on	94

Source1Maker product pageoneplus.com/us/oneplus-buds-3/specsRead 10 October 2026Audio latency 94 ms. Overview footnote: as low as 94 ms with select OnePlus phones and Pro Gaming mode enabled.

BOnePlus 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.

Lowest claimed latency

94ms=CalculatedFrom Claimed latency

47ms=CalculatedFrom Claimed latency

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, iOS2Maker product pageoneplus.com/us/oneplus-buds-3Read 10 October 2026HeyMelody is available on Google Play and the iOS App Store. Other Bluetooth devices are supported. Hi-Res is not supported on iOS.

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

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 3

Platform	Connection
Android	Bluetooth
iOS	Bluetooth

Source2Maker product pageoneplus.com/us/oneplus-buds-3Read 10 October 2026

BOnePlus 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.

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

AOnePlus Buds 3

Feature	Needs
Hi-Res audio with LHDC	Needs a source device with LHDC 4.0 or later. Set in Earbuds Function on OnePlus phones with Android 12 or later. Other Android 7.0 or later devices use HeyMelody. Not supported on iOS.
OnePlus Audio ID 2.0	OnePlus phones with Android 11 or later set it in Earbuds Function. Other Android 7.0 or later and iOS devices use HeyMelody.
OnePlus 3D Audio	Does not support head tracking. OnePlus phones with Android 11 or later set it in Earbuds Function. Other Android 7.0 or later and iOS devices use HeyMelody.
OnePlus Fast Pair	OnePlus 6 series and later phones running Android 11 or later.
94 ms low latency	Select OnePlus phone models with Pro Gaming mode enabled.

Source2Maker product pageoneplus.com/us/oneplus-buds-3Read 10 October 2026

BOnePlus 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.

Official licence

Not available

Not available

Battery and charging

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

58mAh1Maker product pageoneplus.com/us/oneplus-buds-3/specsRead 10 October 2026

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

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

Not available

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.

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 3

Mode	Codec	Includes case recharges	Hours (h)
ANC off	AAC	No	10
ANC off	AAC	Yes	44
ANC on	AAC	No	6.5
ANC on	AAC	Yes	28
ANC off	LHDC	No	7
ANC off	LHDC	Yes	30
ANC on	LHDC	No	5.5
ANC on	LHDC	Yes	24
Call	Not available	No	4

Source1Maker product pageoneplus.com/us/oneplus-buds-3/specsRead 10 October 2026All rows at 50 percent volume. ANC on rows are listed as ANC on or Transparency mode. AAC: ANC off 10 h earbuds and 44 h with case, ANC on 6.5 h and 28 h. LHDC: ANC off 7 h and 30 h, ANC on 5.5 h and 24 h. Talk time with ANC on or transparency in HFP: up to 4 h, earbuds only.

BOnePlus 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.

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

10h=CalculatedFrom Claimed battery life

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.

6.5h=CalculatedFrom Claimed battery life

6h=CalculatedFrom Claimed battery life

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

10h=CalculatedFrom Claimed battery life

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.

44h=CalculatedFrom Claimed battery life

45h=CalculatedFrom Claimed battery life

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

28h=CalculatedFrom Claimed battery life

24h=CalculatedFrom Claimed battery life

Talk time (claimed)

4h=CalculatedFrom Claimed battery life

6h=CalculatedFrom Claimed battery life

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

Not available

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.

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-3/specsRead 10 October 2026

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

2h1Maker product pageoneplus.com/us/oneplus-buds-3/specsRead 10 October 202610 minutes of charging gives 2 hours of earbuds playback, with ANC off, 50 percent volume and AAC. The 7 hour figure includes the charging case and is not stored.2Maker product pageoneplus.com/us/oneplus-buds-3Read 10 October 2026

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.

Charging case

2 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.

520mAh1Maker product pageoneplus.com/us/oneplus-buds-3/specsRead 10 October 2026

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

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

Not available

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.

Case charging port

USB-C1Maker product pageoneplus.com/us/oneplus-buds-3/specsRead 10 October 2026

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

Not available

Wireless charging

No3Reviewtomsguide.com/reviews/oneplus-buds-3Read 10 October 2026The charging case does not support Qi wireless charging.4Reviewandroidcentral.com/accessories/audio/oneplus-buds-3-reviewRead 10 October 2026The reviewer states there is no wireless charging.

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

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

2 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, Swipe1Maker product pageoneplus.com/us/oneplus-buds-3/specsRead 10 October 20262Maker product pageoneplus.com/us/oneplus-buds-3Read 10 October 2026

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

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

Swipe1Maker product pageoneplus.com/us/oneplus-buds-3/specsRead 10 October 20262Maker product pageoneplus.com/us/oneplus-buds-3Read 10 October 2026Slide a finger up or down on the stems to change volume.

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

Gestures

Tap twice: next song, answer or hang up a call, Tap three times: previous song, Tap and hold 3 seconds: reject call, Press and hold: switch noise cancellation or transparency mode, Slide finger up or down: volume1Maker product pageoneplus.com/us/oneplus-buds-3/specsRead 10 October 2026Specification list of touch control and touch volume control. A single tap does nothing by default, per Android Central.

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.

Remappable controls

Yes3Reviewtomsguide.com/reviews/oneplus-buds-3Read 10 October 2026

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

Voice assistant

Google Assistant, Siri3Reviewtomsguide.com/reviews/oneplus-buds-3Read 10 October 2026

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

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.

Not available

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

Hearing protectioniLimits sudden loud sounds

Not available

Not available

Health features

Not available

Not available

Fit and durability

1 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-3/specsRead 10 October 2026

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

Ear tip materials

Silicone1Maker product pageoneplus.com/us/oneplus-buds-3/specsRead 10 October 2026

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

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

Not available

Not available

Ear tip fit test

Yes3Reviewtomsguide.com/reviews/oneplus-buds-3Read 10 October 2026Earbud Fit Test is listed among the app features.

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

Dust and water rating, buds

IP551Maker product pageoneplus.com/us/oneplus-buds-3/specsRead 10 October 2026IP55 for the earbuds only.

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

Dust and water rating, case

IPX43Reviewtomsguide.com/reviews/oneplus-buds-3Read 10 October 2026Durability listed as IP55 for the earbuds and IPX4 for the charging case. The maker page states IP55 for the earbuds only.

Not available

Water resistance depth

Not available

Not available

Software

1 of 6 differ

Companion app

HeyMelody and OnePlus Wireless Earphones1Maker product pageoneplus.com/us/oneplus-buds-3/specsRead 10 October 2026Support by Wireless Earphones and HeyMelody app. Overview page names HeyMelody and Earbuds Function.

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.

App platforms

Android, iOS2Maker product pageoneplus.com/us/oneplus-buds-3Read 10 October 2026

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

User firmware updates

Yes1Maker product pageoneplus.com/us/oneplus-buds-3/specsRead 10 October 2026

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

Finding network

Not available

Not available

Precision findingiUWB in the case

Not available

Not available

Live translation

Not available

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

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.

4.8g(0.2 oz)1Maker product pageoneplus.com/us/oneplus-buds-3/specsRead 10 October 2026Earbuds 4.8 g. Overview footnote: based on a sample mean of 4.84 g.

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.

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.

40.8g(1.4 oz)1Maker product pageoneplus.com/us/oneplus-buds-3/specsRead 10 October 2026Charging case 40.8 g.

Not available

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

Not available

Not available

Certifications

2 of 3 differ

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

Not available

Hi-Res Audio 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.

Communication certifications

Not available

Not available

FCC IDs

Not available

Not available

Other certifications

TÜV Rheinland certification for noise cancellation2Maker product pageoneplus.com/us/oneplus-buds-3Read 10 October 2026

Not available

In the box

2 of 2 differ

In the box

OnePlus Buds 3 earbuds (one pair), OnePlus Buds 3 charging case, User guide, Silicone ear tips (S, M, L), Safety and Warranty card, USB Type-C charging cable1Maker product pageoneplus.com/us/oneplus-buds-3/specsRead 10 October 2026Earbuds, charging case, user guide, 3 silicone ear tips (S, M, L), safety and warranty card, USB Type-C cable.

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

Cables included

AOnePlus Buds 3

Type	Count
USB Type-C charging cable	1

Source1Maker product pageoneplus.com/us/oneplus-buds-3/specsRead 10 October 2026

BOnePlus 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.

Links

Not compared

Product page

www.oneplus.com/us/oneplus-buds-32Maker product pageoneplus.com/us/oneplus-buds-3Read 10 October 2026

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

Spec sheet

www.oneplus.com/us/oneplus-buds-3/specs1Maker product pageoneplus.com/us/oneplus-buds-3/specsRead 10 October 2026

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.

Manual

Not available

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.

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.