Earbuds / Compare

OnePlus Buds 3 vs soundcore P20i

A

Product A: OnePlus

Buds 3

84 of 166 known

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B

Product B: soundcore

P20i

67 of 166 known

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All 166 fields

Every value links to where we found it.

Only differences

AOnePlus Buds 3

Bsoundcore P20i

General

6 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.

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.

A39491Maker spec sheet (PDF)salesforce-knowledge-download.s3.us-west-2.amazonaws.com/000028308/en_US/000028308.pdfRead 7 October 2026EU/UK Declaration V3.0, first page names P20i and R50i as model A3949. Later A3949C FCC revision is not included.

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.

Available2Maker product pagesoundcore.com/products/p20iRead 7 October 2026US maker store offers product for purchase with current 3 to 7 business-day standard delivery. This is current availability, not launch timing.

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

Not available

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.

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

US2Maker product pagesoundcore.com/products/p20iRead 7 October 2026Exact US maker storefront offers shipping and purchase. Other regional SKUs are not represented as variants.

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

Black2Maker product pagesoundcore.com/products/p20iRead 7 October 2026Black reference hardware. Other current colour finishes are omitted because exact revision equivalence to original A3949 is unproved.

Segment

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

Not available

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

In-ear4Reviewrtings.com/headphones/reviews/anker/soundcore-p25i-p20i-true-wirelessRead 7 October 2026Public sports verdict explicitly in-ear fit. Maker manual has fitted ear tips.

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.

Stem5Reviewscarbir.com/tws/soundcore-p20i-reviewRead 7 October 2026Original May 26 2023 review explicitly describes P20i with stems.

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

Not available

Either bud2Maker product pagesoundcore.com/products/p20iRead 7 October 2026Maker Single Earbud Mode says take one earbud out of case to enter solo mode. Manual Mono controls are not limited to one named bud.3Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000012334/en_US/000012334.pdfRead 7 October 2026Printed page 2 Mono controls are not restricted to a named side.

RGB lighting

Not available

Not available

Drivers and sound

11 of 17 differ

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

AOnePlus Buds 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.

Bsoundcore P20i

Type	Diameter (mm)	Count per earbud
Dynamic	10	1

Source3Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000012334/en_US/000012334.pdfRead 7 October 2026Printed page 3 10 mm dynamic driver. Physical single-driver count is explicitly supported by matching review specification.6Reviewiemsandmusic.com/soundcore-anker-p20i-reviewRead 7 October 2026Review specification explicitly (1) 10 mm dynamic driver. One driver per earbud. Acoustic role is not explicitly named, so omitted. Maker manual supplies diameter/type independently.

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

Dynamic3Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000012334/en_US/000012334.pdfRead 7 October 2026English printed page 3 Specs Driver unit. Not inferred from diaphragm material.

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

10.4mm=CalculatedFrom Drivers per bud

10mm=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

1=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.

Not available

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

Min15 HzMax40 kHz1Maker product pageoneplus.com/us/oneplus-buds-3/specsRead 10 October 202615 Hz to 40 kHz acoustic frequency response. Test method is not stated.

Min20 HzMax20 kHz3Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000012334/en_US/000012334.pdfRead 7 October 2026Printed page 3 Specs Frequency response. Published acoustic range, not transport bandwidth. Tolerance, codec and SPL conditions unstated.

Impedance

Not available

16Ω3Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000012334/en_US/000012334.pdfRead 7 October 2026Printed page 3 Specs Impedance.

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.

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-3Read 10 October 2026

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-3Read 10 October 2026

Not available

Onboard EQ

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

Yes6Reviewiemsandmusic.com/soundcore-anker-p20i-reviewRead 7 October 2026Reviewer explicitly tested selected preset persisting after pairing another Bluetooth device and notebook. No custom band EQ inferred.

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.

Not available

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.

Soundcore Signature, Soundcore Signature + BassUp, Acoustic, Bass Reducer, Classic, Podcast, Dance, Deep, Electronic, Flat, Hip-Hop, Jazz, Latin, Lounge, Piano, Pop, R&B, Rock, Small Speaker(s), Spoken Word, Treble Booster, Treble Reducer6Reviewiemsandmusic.com/soundcore-anker-p20i-reviewRead 7 October 2026Reviewer app inspection lists 22 named presets. Current maker page confirms 22 and BassUp. Original May 2023 Scarbir review reports 21 presets without a firmware version. Stored names follow the later explicit list and are not a launch-feature promise.

Volume limit

Not available

Not available

Spatial audio

2 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-3Read 10 October 2026

Not available

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

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

Not available

Noise cancelling

8 of 11 differ

Active noise cancelling

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

No2Maker product pagesoundcore.com/products/p20iRead 7 October 2026Maker P20i comparison column Noise Cancellation dash. Independently confirmed absent by readable RTINGS and GearLab reviews. Call AI noise reduction is separate.

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.

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

Not available

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.

Not available

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.

Not available

Transparency mode

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

No7Reviewtechgearlab.com/reviews/audio/wireless-earbuds/soundcore-p20iRead 7 October 2026Exact P20i column Hear Through Mode No. Scarbir and IEM review agree.

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

Bass is emphasized. A dip in the low treble reduces clarity. Left and right drivers are fairly well matched in the reviewed sample.9Measurementrtings.com/headphones/reviews/anker/soundcore-p25i-p20i-true-wirelessRead 7 October 2026Public RTINGS Audio Reproduction Accuracy verdict, original Black A3949 P25i/P20i test unit. Current Test Bench 2.3. Public qualitative tested result, not estimated numeric graph data. Firmware, codec and exact playback level are unknown.

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

Voice is clear but thin. The microphone does not separate speech from background noise well.9Measurementrtings.com/headphones/reviews/anker/soundcore-p25i-p20i-true-wirelessRead 7 October 2026Public RTINGS Microphone verdict for original Black A3949 P25i/P20i sample. Current Test Bench 2.3. Firmware, codec, host and exact microphone test noise level are not public.

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.

Bsoundcore P20i

ANC	Hours (h)
No	9

Source9Measurementrtings.com/headphones/reviews/anker/soundcore-p25i-p20i-true-wirelessRead 7 October 2026Public RTINGS Travel and Office verdict report nine hours of continuous operation for black P25i/P20i A3949. Review says P25i and P20i differ only in name. Earbuds only, no ANC. Test Bench 2.3 review. Public battery method describes looped playback monitored by time-lapse and binaural recording in soundproof box, with level calibration. Exact sample codec, firmware, game mode and original calibrated SPL are not public, so unspecified. Rounded public nine-hour result used, protected detailed result not accessed.10Measurementrtings.com/headphones/tests/active-features/battery-lifeRead 7 October 2026Public continuous-battery methodology: one full earbud charge, case recharges excluded, looped track in soundproof box monitored by audio recording and time-lapse. Current method says calibrated 85 dB SPL. That does not prove exact original P20i test volume or codec.

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)

9h=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

4.25g(0.1 oz)7Reviewtechgearlab.com/reviews/audio/wireless-earbuds/soundcore-p20iRead 7 October 2026Spec table row Measured Weight: 4.25 g (0.15 oz), the reviewer scale result for the tested P20i. Tip size is not stated. The 4.3 g with tips in weight_g comes from another review and stays a separate published figure.

Microphones and calls

2 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-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.

22Maker product pagesoundcore.com/products/p20iRead 7 October 2026Maker AI-Enhanced Clear Calls says two built-in microphones used together for voice. Count across both earbuds, not per bud.

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

22Maker product pagesoundcore.com/products/p20iRead 7 October 2026Maker two built-in mics for pair. No playback ANC microphones exist. No case microphones are counted.

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.

AI2Maker product pagesoundcore.com/products/p20iRead 7 October 2026Maker calls feature explicitly AI algorithm working with two microphones. This is voice processing, not playback ANC.

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

5 of 18 differ

Chip

Not available

Not available

Connections

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

Bluetooth3Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000012334/en_US/000012334.pdfRead 7 October 2026English page 1 Powering On and Pairing selects product in Bluetooth list. RTINGS public wired-gaming verdict says cannot be used wired.

Bluetooth

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

5.33Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000012334/en_US/000012334.pdfRead 7 October 2026Printed page 3 Specs Bluetooth version. LE Audio and Auracast are not inferred from version.

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

AAC, SBC6Reviewiemsandmusic.com/soundcore-anker-p20i-reviewRead 7 October 2026Exact P20i review specification names AAC and SBC. Maker manual does not publish codecs. Scarbir independently names AAC.

Bluetooth profiles

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

No4Reviewrtings.com/headphones/reviews/anker/soundcore-p25i-p20i-true-wirelessRead 7 October 2026Public Office Work paragraph explicitly no multi-device pairing and only one source at a time. GearLab table agrees. Pair memory not inferred.

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

14Reviewrtings.com/headphones/reviews/anker/soundcore-p25i-p20i-true-wirelessRead 7 October 2026Public Office Work states only one device can stay connected at a time. This is simultaneous connection limit, not stored pairing history.

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

Not available

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.

10m3Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000012334/en_US/000012334.pdfRead 7 October 2026Printed page 3 Bluetooth range. Maker claim. No measured range inferred.

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

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

Yes3Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000012334/en_US/000012334.pdfRead 7 October 2026Printed page 1 App lists gaming mode. RTINGS public introduction identifies Game Mode as lowering latency. No numerical latency claim is published.

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.

Bsoundcore P20i

Not available

Lowest claimed latency

94ms=CalculatedFrom Claimed latency

Not available

Compatibility

2 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, 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, iOS6Reviewiemsandmusic.com/soundcore-anker-p20i-reviewRead 7 October 2026Exact P20i review specification explicitly Android and iOS. Audio connection uses Bluetooth. Host restrictions and console support are not inferred.

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

Bsoundcore P20i

Not available

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

Bsoundcore P20i

Not available

Official licence

Not available

Not available

Battery and charging

8 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.

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

60mAh3Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000012334/en_US/000012334.pdfRead 7 October 2026Printed page 3 Battery capacity 60 mAh x 2 earbuds. Per-bud rating, typical/rated qualifier unstated. Not charging current.

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

No11Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3949Safety.pdfRead 10 October 2026Maker-hosted A3949Safety.pdf, English Important Safety Instructions: "Do not disassemble." Neither the manual nor the safety sheet documents a user battery replacement procedure. The sheet is shared boilerplate (HPS02) and also carries the generic recycling line "Replace only with specified batteries", which describes no user procedure.

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.

Bsoundcore P20i

Mode	Includes case recharges	Hours (h)
ANC off	No	10
ANC off	Yes	30

Source3Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000012334/en_US/000012334.pdfRead 7 October 2026Printed page 3 up-to claims. Earbuds have no playback ANC. Ten hours from earbuds alone, 30 total including case. Volume and content affect runtime. Codec, volume percentage, host and firmware unstated.

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

10h=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

Not available

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

10h=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

30h=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

Not available

Talk time (claimed)

4h=CalculatedFrom Claimed battery life

Not available

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

Not available

Not available

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

Not available

Maker spec table lists charging time up to 2 hours without saying whether this is the earbuds, the case or both.3Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000012334/en_US/000012334.pdfRead 7 October 2026English printed page 3 Specs, Charging time: Up to 2 hours. The row names no component. The charging page shows 10 minutes gives 2 hours of playback, which is the stored quick charge claim.

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

10min2Maker product pagesoundcore.com/products/p20iRead 7 October 2026Maker says earbuds low on power and 10-minute charge gives two hours playtime. Manual English page 1 charging diagram matches. Buds charge in case. Codec and volume unstated.

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

2h2Maker product pagesoundcore.com/products/p20iRead 7 October 2026Earbud playback after 10 minutes in charging case, not case-inclusive total. Source names low-power earbuds. Codec, volume and exact starting state unstated.

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

430mAh3Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000012334/en_US/000012334.pdfRead 7 October 2026Printed page 3 Battery capacity explicitly charging-case cell. Typical/rated qualifier unstated. Not USB output 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

No11Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3949Safety.pdfRead 10 October 2026Same safety sheet and manual. Do not disassemble, no user replacement procedure for the charging case battery either.

Case charging port

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

USB-C3Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000012334/en_US/000012334.pdfRead 7 October 2026Printed page 1 Charging explicitly USB-C charging port. This is power input, not audio.

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.

No7Reviewtechgearlab.com/reviews/audio/wireless-earbuds/soundcore-p20iRead 7 October 2026Exact P20i Tested Wireless Charging Option No. Maker only documents wired USB-C. Later EU declaration includes EN 303 417 in standards applied in part or whole, which does not prove wireless charging on this product.

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

Screen on case

Not available

Not available

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

Not available

Not available

Controls

4 of 5 differ

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

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

Touch3Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000012334/en_US/000012334.pdfRead 7 October 2026Printed page 2 Manual Pairing and Controls explicitly touchpads and tap controls.

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.

Touch5Reviewscarbir.com/tws/soundcore-p20i-reviewRead 7 October 2026Reviewer explicitly states app lets you add volume controls to touch panels. Volume is absent from default manual control mapping. Requires remapping through app.

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.

Double tap right earbud to play or pause, Hold left earbud for 2 seconds for previous track, Hold right earbud for 2 seconds for next track, Double tap either earbud to answer or end a call, Hold either earbud for 2 seconds to reject a call, Double tap left earbud to activate voice assistant software3Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000012334/en_US/000012334.pdfRead 7 October 2026English printed page 2 default TWS controls. Mono has double tap for play/pause and calls and hold to reject. All labels describe factory mapping, which app can change.

Remappable controls

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

Yes3Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000012334/en_US/000012334.pdfRead 7 October 2026Printed page 2 says controls can be customized in soundcore app.

Voice assistant

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

Voice assistant software3Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000012334/en_US/000012334.pdfRead 7 October 2026Printed page 2 generic host assistant trigger. Siri, Google Assistant and Alexa brands are not named for exact product and are omitted.

Sensors and health

1 of 9 differ

In-ear detection

Not available

No7Reviewtechgearlab.com/reviews/audio/wireless-earbuds/soundcore-p20iRead 7 October 2026Exact P20i In-ear Detection No and App Features paragraph says no automatic pause when removing a bud.

Sensors

Not available

Not available

Heart rate sensor

Not available

Not available

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

Not available

Not available

Hearing aid featureiAmplification for mild to moderate hearing loss

Not available

Not available

Medical clearances

Not available

Not available

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

Not available

Not available

Hearing protectioniLimits sudden loud sounds

Not available

Not available

Health features

Not available

Not available

Fit and durability

3 of 7 differ

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

S, M, L1Maker product pageoneplus.com/us/oneplus-buds-3/specsRead 10 October 2026

S, M, L3Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000012334/en_US/000012334.pdfRead 7 October 2026Printed page 1 Wearing names S M L. Scarbir explicitly includes three sets, and IEM reviewer confirms three supplied silicone pairs.

Ear tip materials

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

Silicone7Reviewtechgearlab.com/reviews/audio/wireless-earbuds/soundcore-p20iRead 7 October 2026Review experience explicitly included multiple silicone tips. IEM unboxing confirms three pairs.

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.

No7Reviewtechgearlab.com/reviews/audio/wireless-earbuds/soundcore-p20iRead 7 October 2026Exact P20i Ear Fit Test No. This is app fit testing, not reviewers fitting earbuds manually.

Dust and water rating, buds

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

IPX53Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000012334/en_US/000012334.pdfRead 7 October 2026Printed page 3 Waterproof level explicitly Earbuds. Does not apply to case and is not submersion approval.

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.

soundcore3Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000012334/en_US/000012334.pdfRead 7 October 2026Printed page 1 App names soundcore.

App platforms

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

Android, iOS5Reviewscarbir.com/tws/soundcore-p20i-reviewRead 7 October 2026Exact review says free Soundcore app for iPhone and Android. Maker manual shows Google Play and Apple app marks.

User firmware updates

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

Yes3Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000012334/en_US/000012334.pdfRead 7 October 2026Printed page 3 Firmware Update explicitly update through app, earbuds in charging case with lid open and charging.

Finding network

Not available

Not available

Precision findingiUWB in the case

Not available

Not available

Live translation

Not available

Not available

Dimensions and weight

3 of 4 differ

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

4.8g(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.

4.3g(0.2 oz)6Reviewiemsandmusic.com/soundcore-anker-p20i-reviewRead 7 October 2026Published review specification for one side with tips. The source does not explicitly say it used a scale, so this is a published weight, not measured_weight_g.

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

Width58Height52Depth27mm(2.3 × 2 × 1.1 in)6Reviewiemsandmusic.com/soundcore-anker-p20i-reviewRead 7 October 2026Review explicitly labels H 5.2 cm, W 5.8 cm, D 2.7 cm. Exact conversion to mm. Source axes retained without reordering by appearance. Maker does not publish axes.

Certifications

1 of 3 differ

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

Not available

Not available

Communication certifications

Not available

Not available

FCC IDs

Not available

2AOKB-A39498Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000012332/en_US/000012332.pdfRead 7 October 2026Original official A3949 QSG printed label FCC ID. Later 2AOKB-A3949C hardware is not included.

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.

P20i earbuds, Charging case with removable lanyard, Silicone ear tips (S, M, L), USB-A to USB-C charging cable6Reviewiemsandmusic.com/soundcore-anker-p20i-reviewRead 7 October 2026Matching black P20i reviewer unboxing and Accessories section. Three tip pairs include attached pair. No power adapter is documented as included.

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

Bsoundcore P20i

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

Source6Reviewiemsandmusic.com/soundcore-anker-p20i-reviewRead 7 October 2026Accessories explicitly a USB-A to USB-C cable. Length unstated.

Links

Not compared

Product page

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

www.soundcore.com/products/p20i2Maker product pagesoundcore.com/products/p20iRead 7 October 2026Readable exact P20i maker page.

Spec sheet

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

Not available

Manual

Not available

salesforce-knowledge-download.s3.us-west-2.amazonaws.com/000012334/en_US/000012334.pdf3Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000012334/en_US/000012334.pdfRead 7 October 2026Official A3949 P20i User Manual from readable maker support download link. English printed pages 1 to 3 read.

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

Not available

Not available

Warranty

1 of 1 differ

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

Not available

1.5years8Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000012332/en_US/000012332.pdfRead 7 October 2026Original A3949 multilingual QSG gives 18-month limited warranty, including English text and US/Canada customer service. Warranty period quoted for original North American reference, statutory rights separate.

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