Earbuds / Compare

Redmi Buds 6 Play vs soundcore Liberty 4 Pro

A

Product A: Redmi

Buds 6 Play

65 of 166 known

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B

Product B: soundcore

Liberty 4 Pro

86 of 166 known

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All 166 fields

Every value links to where we found it.

Only differences

ARedmi Buds 6 Play

Bsoundcore Liberty 4 Pro

General

6 of 8 differ

Series

REDMI Buds1Maker product pagemi.com/global/product/redmi-buds-6-playRead 23 October 2026The page and the Xiaomi shop list the product in the REDMI Buds line.

Not available

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

M2420E12Maker product pagemi.com/global/product/redmi-buds-6-play/specsRead 23 October 2026Specs tab row Model: M2420E1. The German and British tabs show the same code.

A3954, A3954ZF1, A3954Z21, A3954ZG14Maker product pageus.soundcore.com/products/a3954-liberty-4-pro-tws-earbuds.jsRead 20 October 2026

GTIN / EAN

Not available

194644297237, 194644297206, 1946442074344Maker product pageus.soundcore.com/products/a3954-liberty-4-pro-tws-earbuds.jsRead 20 October 2026US store barcodes per colour. The EU store uses the same barcodes for its own SKU names.

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

Not available

Not available

Status

Available8Press articlenotebookcheck.com/Redmi-Buds-6-Play-Neue-Ohrhoerer-von-Xiaomi-mit-36h-Akkulaufzeit-und-AI-Geraeuschunterdrueckung-kosten-nur-gut-10-Euro.898791.0.htmlRead 23 October 2026Orderable at Xiaomi Germany. Not stated as discontinued anywhere.

Available4Maker product pageus.soundcore.com/products/a3954-liberty-4-pro-tws-earbuds.jsRead 20 October 2026The US store lists all three colours as available on the access date.

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.

Not available

soundcore Liberty 5 Pro11Press articlephileweb.com/sp/news/d-av/202605/27/65209.htmlRead 23 October 2026PhileWeb's launch report names the Liberty 4 Pro as the previous model of the Liberty 5 Pro series.12Press articleexpertreviews.co.uk/technology/headphones-audio/soundcore-liberty-5-pro-reviewRead 23 October 2026Expert Reviews names the Liberty 4 Pro as a predecessor of the Liberty 5 Pro.

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

Not available

$129.997Measurementsoundguys.com/anker-soundcore-liberty-4-pro-review-125410Read 20 October 2026Spec box price $129.99. Digital Trends and Mezha also report $130 and $129 at launch. The maker's US store now lists $149.99.

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.

€10.998Press articlenotebookcheck.com/Redmi-Buds-6-Play-Neue-Ohrhoerer-von-Xiaomi-mit-36h-Akkulaufzeit-und-AI-Geraeuschunterdrueckung-kosten-nur-gut-10-Euro.898791.0.htmlRead 23 October 2026Article of 8 Oct 2024: the Redmi Buds 6 Play is listed at Xiaomi Germany with a recommended price of 10.99 EUR, black only at that time. Retailer prices at first sale were higher, for example 18.90 EUR at Galaxus on 2 Sep 2024. Inside-digital lists a 14.99 EUR recommended price. The Xiaomi Germany listing is the maker price, so 10.99 is stored.

Not available

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

DE, GB, MY3Maker product pagemi.com/uk/product/redmi-buds-6-play/specsRead 23 October 2026UK store specs tab. The German store (mi.com/de) also lists the product, and Lowyat reports sale in Malaysia.8Press articlenotebookcheck.com/Redmi-Buds-6-Play-Neue-Ohrhoerer-von-Xiaomi-mit-36h-Akkulaufzeit-und-AI-Geraeuschunterdrueckung-kosten-nur-gut-10-Euro.898791.0.htmlRead 23 October 2026Germany.10Press articlelowyat.net/2024/332083/redmi-buds-6-playRead 23 October 2026Article of 11 Sep 2024: on sale in Malaysia at RM69, a retail price in MYR.

US, GB, EU, JP4Maker product pageus.soundcore.com/products/a3954-liberty-4-pro-tws-earbuds.jsRead 20 October 2026Also sold through the UK, EU and Japan stores of the maker.

ColoursiThe maker's own colour names

Black, White, Pink, Blue2Maker product pagemi.com/global/product/redmi-buds-6-play/specsRead 23 October 2026Specs tab lists Black, White, Blue and Pink. The German tab lists only Black and White. The support FAQ lists Black, White, Pink and Blue.

Glossy Black, Pearl White, Blue4Maker product pageus.soundcore.com/products/a3954-liberty-4-pro-tws-earbuds.jsRead 20 October 2026US store lists Glossy Black, Pearl White and BIue, with a typo in the last name. Stored as Blue. Anker Japan sells Midnight Black, Pearl White, Sky Blue and Deep Green under other SKUs, and the EU store lists more colours.

Segment

Not available

Music3Maker product pageus.soundcore.com/products/a3954-liberty-4-pro-tws-earbudsRead 20 October 2026

Design

2 of 4 differ

Form factoriIn-ear seals the ear canal with a tip. Semi-in-ear rests in the outer ear without a seal. Open-ear leaves the ear canal unobstructed.

In-ear4Maker product pagemi.com/global/support/faq/details/KA-309446Read 23 October 2026Functions Q27 and Frequently Asked Questions Q8: the earbuds have an in-ear design with ear caps inserted into the ear.

In-ear3Maker product pageus.soundcore.com/products/a3954-liberty-4-pro-tws-earbudsRead 20 October 2026

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

Stemless8Press articlenotebookcheck.com/Redmi-Buds-6-Play-Neue-Ohrhoerer-von-Xiaomi-mit-36h-Akkulaufzeit-und-AI-Geraeuschunterdrueckung-kosten-nur-gut-10-Euro.898791.0.htmlRead 23 October 2026The article describes a bean-shaped bud and not a stem.10Press articlelowyat.net/2024/332083/redmi-buds-6-playRead 23 October 2026The Play is the only one of the three Buds 6 models with no stems on the buds.

Stem3Maker product pageus.soundcore.com/products/a3954-liberty-4-pro-tws-earbudsRead 20 October 2026Stemmed earbuds with a control area on the stem.

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

Not available

Either bud1Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000021411/en_US/000021411.pdfRead 20 October 2026

RGB lighting

Not available

Not available

Drivers and sound

10 of 17 differ

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

ARedmi Buds 6 Play

Type	Diameter (mm)	Count per earbud
Dynamic	10	1

Source1Maker product pagemi.com/global/product/redmi-buds-6-playRead 23 October 2026Page: 10mm large dynamic driver. One driver per earbud is the normal in-ear layout and the specs tab lists one speaker impedance. The page does not say per earbud in words.

Bsoundcore Liberty 4 Pro

Type	Role	Diameter (mm)	Count per earbud
Dynamic	Woofer	10.5	1
Dynamic	Tweeter	4.6	1

Source1Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000021411/en_US/000021411.pdfRead 20 October 2026SPECS table lists 10.5mm and 4.6mm dynamic drivers. The US page calls the second a titanium-coated tweeter and Anker Japan names the 10.5 mm driver for bass and the 4.6 mm driver for mid and high range. One of each per earbud.

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

Dynamic1Maker product pagemi.com/global/product/redmi-buds-6-playRead 23 October 2026

Dynamic1Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000021411/en_US/000021411.pdfRead 20 October 2026

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

10mm=CalculatedFrom Drivers per bud

10.5mm=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.

1=CalculatedFrom Drivers per bud

2=CalculatedFrom Drivers per bud

Diaphragm material

Not available

Titanium-coated (tweeter)3Maker product pageus.soundcore.com/products/a3954-liberty-4-pro-tws-earbudsRead 20 October 2026US page names a titanium-coated tweeter next to the 10.5mm driver. Only the tweeter coating is stated.

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

Min20 HzMax20 kHz2Maker product pagemi.com/global/product/redmi-buds-6-play/specsRead 23 October 2026Frequency response range 20Hz~20KHz. No conditions given.

Min14 HzMax40 kHz1Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000021411/en_US/000021411.pdfRead 20 October 2026SPECS table prints 14Hz - 40kHz with no codec or conditions.

Impedance

16Ω2Maker product pagemi.com/global/product/redmi-buds-6-play/specsRead 23 October 2026Speaker impedance 16 ohm, rated power 5 mW, maximum power 10 mW.

Not available

SensitivityiPublished acoustic sensitivity. The electrical reference and frequency must be stated in sensitivity_reference or the source note.

104dB4Maker product pagemi.com/global/support/faq/details/KA-309446Read 23 October 2026Sensitivity 104 +/- 3 dB at 1000 Hz with 0.126 V input. The reference is not stored as per 1 mW or per 1 V because the maker names neither.

Not available

Sensitivity reference

Not available

Not available

Max sample rateiHighest supported audio sample rate under the codec and source-device conditions in the source note. This does not establish lossless playback.

Not available

Not available

Max bit depthiHighest supported audio bit depth under the codec and source-device conditions in the source note. Bluetooth version alone does not establish this.

Not available

Not available

Adaptive EQiAn inner mic tunes the sound to your ear in real time

Not available

Not available

Personalised soundiA profile from a hearing test or ear scan

Not available

Yes7Measurementsoundguys.com/anker-soundcore-liberty-4-pro-review-125410Read 20 October 2026

Onboard EQ

Not available

Not available

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

Not available

87Measurementsoundguys.com/anker-soundcore-liberty-4-pro-review-125410Read 20 October 2026Eight-band custom equalizer in the soundcore app. The app also has 22 presets.

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

Standard, Enhance bass, Enhance voice, Enhance treble, Enhance volume1Maker product pagemi.com/global/product/redmi-buds-6-playRead 23 October 2026Footnote: 5 preset EQ modes are standard, enhance bass, enhance voice, enhance treble and enhance volume, set in the Xiaomi Earbuds app. Reviewers say there is no custom EQ.

Not available

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.

Not available

Spatial Audio (Music, Podcast, Movie and Game modes)1Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000021411/en_US/000021411.pdfRead 20 October 2026Four Spatial Audio modes: Music, Podcast, Movie and Game. Spatial Audio is not supported when LDAC is on.

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

Not available

Yes1Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000021411/en_US/000021411.pdfRead 20 October 2026Spatial Audio Music Mode offers head tracking or fixed. Podcast, Movie and Game modes are listed without head tracking.

Noise cancelling

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Active noise cancelling

No4Maker product pagemi.com/global/support/faq/details/KA-309446Read 23 October 2026Functions Q4: the earbuds do not have a noise reduction function and only support single microphone call noise reduction.

Yes3Maker product pageus.soundcore.com/products/a3954-liberty-4-pro-tws-earbudsRead 20 October 2026Seven sensors and real-time adaptive noise reduction that adapts every 0.3 seconds.

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

Not available

Not available

ANC microphones in both earbudsiPhysical microphones used by ANC across the pair. A shared call and ANC microphone counts once. Case microphones and vibration sensors are excluded.

Not available

69Press articlemezha.ua/en/2024/10/07/anker-soundcore-liberty-4-pro-is-presented-tws-headphones-with-anc-and-up-to-40-hours-of-battery-life-for-129/ampRead 20 October 2026Mezha describes seven sensors as six microphones and a barometer. Calls also use the six microphones.10Press articlemacerkopf.de/2025/01/07/anker-soundcore-liberty4-pro-ces2025Read 20 October 2026Six noise cancelling sensors plus a barometric pressure sensor for an airplane mode.

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

Not available

Yes1Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000021411/en_US/000021411.pdfRead 20 October 2026Ambient Sound section: ANC levels 6 to 10 adapt to the ears and environment.

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

Not available

51Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000021411/en_US/000021411.pdfRead 20 October 2026ANC is level 6 to 10, so 5 levels. Transparency is level 1 to 5. Normal sits between them.

ANC attenuation (claimed)iManufacturer maximum claimed noise attenuation. Frequency and measurement conditions belong in the source note. This is not reviewer-measured overall attenuation.

Not available

Not available

Transparency mode

Not available

Yes1Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000021411/en_US/000021411.pdfRead 20 October 2026

Adjustable transparency

Not available

Yes1Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000021411/en_US/000021411.pdfRead 20 October 2026Transparency is level 1 to 5 on the slider and in the app.

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

Yes1Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000021411/en_US/000021411.pdfRead 20 October 2026Easy Chat lowers music volume and enables transparency while you talk, then returns to the ANC level after 5, 10 or 15 seconds of silence. ANC mode only.

Wind noise reductioniA documented physical design or processing feature for reducing wind noise. The source note distinguishes mesh or shape changes from selectable processing.

Not available

Yes3Maker product pageus.soundcore.com/products/a3954-liberty-4-pro-tws-earbudsRead 20 October 2026Six microphones, a noise cancelling algorithm and wind noise reduction technology for calls.

Measured

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

Not available

SoundGuys found the default sound follows its headphone preference curve closely across the mids and highs, with more emphasis on bass below 200 Hz.7Measurementsoundguys.com/anker-soundcore-liberty-4-pro-review-125410Read 20 October 2026Objective measurements section. SoundGuys compares the default sound with its headphone preference curve.

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

SoundGuys found voices clear in its ideal-conditions demo. In simulated office and street noise some background noise gets through while the voice stays in focus. Simulated wind and reverberant space were handled well. These are qualitative results.7Measurementsoundguys.com/anker-soundcore-liberty-4-pro-review-125410Read 20 October 2026SoundGuys microphone demos in ideal, office, street, windy and reverberant conditions. No numerical speech bandwidth or noise score is stored.

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.

ARedmi Buds 6 Play

ANC	Hours (h)
No	6

Source11Reviewearbudsarena.com/redmi-buds-6-play-reviewRead 23 October 2026Reviewer test: about 6 hours of continuous playback from the earbuds at 100 percent volume. Codec and firmware are not stated. China-Gadgets measured about 6 hours at mixed volume. The reviewer says the 36 hour total with the case holds up well.

Bsoundcore Liberty 4 Pro

ANC	Hours (h)
Yes	5.7

Source7Measurementsoundguys.com/anker-soundcore-liberty-4-pro-review-125410Read 20 October 20265 h 42 min with ANC enabled, stored as 5.7 h. One-week test of a maker-provided unit on earbud firmware 03.17, case firmware 02.56 and soundcore app 5.5.0. SoundGuys plays real music peaking at 75 dBSPL. Codec and host are not stated.

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

6h=CalculatedFrom Battery life (measured)

5.7h=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

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.

Not available

63Maker product pageus.soundcore.com/products/a3954-liberty-4-pro-tws-earbudsRead 20 October 20266-Mic AI Clear Calls.

All microphones in both earbudsiEvery physical microphone across the pair, including call and ANC microphones. Shared microphones count once. Excludes the charging case and voice vibration sensors.

Not available

65Maker product pageankerjapan.com/products/a3954Read 20 October 2026Six microphones are used for call noise removal and the seven sensors for ANC include a new barometric sensor, so six microphones in total.

Bone conduction voice sensoriA dedicated bone or jaw conduction sensor for detecting speech vibrations. A microphone or speech-detecting accelerometer alone does not prove this architecture.

Not available

Not available

Mic noise reduction

AI1Maker product pagemi.com/global/product/redmi-buds-6-playRead 23 October 2026Page: AI noise reduction for calls. The support FAQ says the earbuds have no noise cancelling and only single microphone call noise reduction.

AI3Maker product pageus.soundcore.com/products/a3954-liberty-4-pro-tws-earbudsRead 20 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

Bluetooth4Maker product pagemi.com/global/support/faq/details/KA-309446Read 23 October 2026Overview Q3: connects to Android and iOS phones by Bluetooth 5.4. No other connection is listed.

Bluetooth1Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000021411/en_US/000021411.pdfRead 20 October 2026

Bluetooth

5.41Maker product pagemi.com/global/product/redmi-buds-6-playRead 23 October 20267Owner's manualkatalog.atcomp.cz/katalog/95XIS1182/Redmi_Buds_6_Play_User_Manual_sk_ATC.pdfRead 23 October 2026Specifications page 7: Bluetooth 5.4.

5.31Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000021411/en_US/000021411.pdfRead 20 October 2026

Bluetooth codecs

SBC1Maker product pagemi.com/global/product/redmi-buds-6-playRead 23 October 2026The battery footnote names SBC decoding. The support FAQ and the manual state SBC only.4Maker product pagemi.com/global/support/faq/details/KA-309446Read 23 October 2026Q4 and Q32: audio decoding protocol is SBC and AAC is not supported. China-Gadgets says SBC and AAC, which the maker contradicts.7Owner's manualkatalog.atcomp.cz/katalog/95XIS1182/Redmi_Buds_6_Play_User_Manual_sk_ATC.pdfRead 23 October 2026Specifications page 7: supported audio codecs SBC.

SBC, AAC, LDAC5Maker product pageankerjapan.com/products/a3954Read 20 October 2026Comparison table lists SBC / AAC / LDAC.

Bluetooth profiles

A2DP, AVRCP, HFP2Maker product pagemi.com/global/product/redmi-buds-6-play/specsRead 23 October 2026Bluetooth protocols: Bluetooth Low Energy, HFP, A2DP and AVRCP. Low Energy is not a profile and is not stored.

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.

No4Maker product pagemi.com/global/support/faq/details/KA-309446Read 23 October 2026FAQ Q16: by default the earbuds connect to one device at a time. Scarbir and PB Tech also state no multipoint.

Yes1Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000021411/en_US/000021411.pdfRead 20 October 2026

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

14Maker product pagemi.com/global/support/faq/details/KA-309446Read 23 October 2026One device at a time.

25Maker product pageankerjapan.com/products/a3954Read 20 October 2026Multipoint connects to two devices at the same time.

Multipoint with LDACiMany buds turn multipoint off on LDAC

Not available

No1Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000021411/en_US/000021411.pdfRead 20 October 2026LDAC section says that with two devices connected the app warns that LDAC is not supported. The Anker Japan comparison table says LDAC can be used with multipoint. The manual is kept.

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 pagemi.com/global/product/redmi-buds-6-playRead 23 October 2026

Google Fast Pair1Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000021411/en_US/000021411.pdfRead 20 October 2026

Audio sharingiShare one stream with a second pair

Not available

Not available

Wireless range (claimed)

10m2Maker product pagemi.com/global/product/redmi-buds-6-play/specsRead 23 October 2026Communication range 10 m in open space free of obstacles.7Owner's manualkatalog.atcomp.cz/katalog/95XIS1182/Redmi_Buds_6_Play_User_Manual_sk_ATC.pdfRead 23 October 2026Specifications page 7: 10 m in open space without obstacles.

10m1Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000021411/en_US/000021411.pdfRead 20 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

1 of 3 differ

Low latency mode

Yes1Maker product pagemi.com/global/product/redmi-buds-6-playRead 23 October 2026Page: supports low latency mode. The page footnote gives 180 ms as the delay between audio reception by the earbuds and audio output. The support FAQ gives 330 to 336 ms. The two figures are not stored.

Not available

Claimed latency

Not available

Not available

Lowest claimed latency

Not available

Not available

Compatibility

3 of 4 differ

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

Android, iOS4Maker product pagemi.com/global/support/faq/details/KA-309446Read 23 October 2026Overview Q3: Android and iOS can connect, and no app is needed for the Bluetooth connection.

Android, iOS, Windows, macOS7Measurementsoundguys.com/anker-soundcore-liberty-4-pro-review-125410Read 20 October 2026Reviewer used the earbuds with an iPhone 15 Pro, notes LDAC needs a compatible Android phone and lists computer audio setup in the maker FAQ.

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.

ARedmi Buds 6 Play

Platform	Connection	Microphone works
Android	Bluetooth	Yes
iOS	Bluetooth	Yes

Source4Maker product pagemi.com/global/support/faq/details/KA-309446Read 23 October 2026Bluetooth to Android and iOS. Calls use the earbud microphone.

Bsoundcore Liberty 4 Pro

Not available

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

ARedmi Buds 6 Play

Feature	Needs
Low latency mode	The product page footnote lists the Xiaomi 14 Ultra, Xiaomi 14, Xiaomi 13, Xiaomi 13 Pro, Xiaomi 13 Ultra and POCO F6 as models that support low latency and says more models are being adapted. The support FAQ says it turns on by holding the touch area of both earbuds for 1.5 seconds outside calls, or in the Xiaomi Earbuds app.
Google Fast Pair	Android devices with Google Play services 11.7 or later, which covers Android 6.0 and later. Fast Pair switches off for 5 minutes after three cancelled attempts.
Xiaomi Earbuds app	Android 6.0 or later (app version 1.20.0i or later) or iOS 14.0 or later (app version 1.11.0 or later). Touch control settings are only available in the app.
Pop-up with battery levels	Only some Xiaomi phones with Pair compatible devices turned on in the Bluetooth additional settings.
10-minute fast charge for 3 hours of music	The charging case needs at least 35 percent battery.

Source1Maker product pagemi.com/global/product/redmi-buds-6-playRead 23 October 2026Footnotes on low latency, Google Fast Pair, the Xiaomi Earbuds app and the 10-minute fast charge.

Bsoundcore Liberty 4 Pro

Feature	Needs
LDAC	Android 8.0 or later, enabled as Preferred audio quality in the soundcore app. Not available while connected to two devices. Spatial Audio is off while LDAC is on. LDAC raises power use and shortens playtime.
Google Fast Pair	Android 6.0 or later.
Head tracking	Spatial Audio Music mode set to head tracking in the soundcore app. Fixed mode has no head tracking.
Easy Chat	Enable in the soundcore app. Available only in ANC mode.
Touch bar menu	The case menu shows only Ambient Sound by default. Add Spatial Audio, Atmospheric, Find Device and Remote Camera in the soundcore app.

Source1Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000021411/en_US/000021411.pdfRead 20 October 2026

Official licence

Not available

Not available

Battery and charging

13 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.

57mAh2Maker product pagemi.com/global/product/redmi-buds-6-play/specsRead 23 October 2026Earbuds 57 mAh. No typical or rated wording.

56mAh1Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000021411/en_US/000021411.pdfRead 20 October 2026SPECS table lists Earbuds 56mAh x 2 and Charging Case 580mAh. Stored per earbud. Typical or rated is not stated.

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.

No4Maker product pagemi.com/global/support/faq/details/KA-309446Read 23 October 2026Charging Q9: the earbud batteries are built in and cannot be replaced.

Not available

Claimed battery lifeiManufacturer maximum runtime under the stated mode, codec and spatial processing state. Name the spatial or immersive processing mode and other conditions in source notes. Omit unspecified settings. with_case false means one charge of the earbuds. true means earbuds plus case recharges.

ARedmi Buds 6 Play

Mode	Codec	Includes case recharges	Hours (h)
ANC off	SBC	No	7.5
ANC off	SBC	Yes	36

Source1Maker product pagemi.com/global/product/redmi-buds-6-playRead 23 October 2026Footnote: tested by Xiaomi at 50 percent volume with noise reduction off and SBC decoding. 7.5 hours on one charge and 36 hours with the case. Xiaomi internal labs.

Bsoundcore Liberty 4 Pro

Mode	Includes case recharges	Hours (h)
ANC off	No	10
ANC off	Yes	40
ANC on	No	7.5
ANC on	Yes	30
Transparency	No	7.5
Transparency	Yes	30
Call	No	4.5

Source1Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000021411/en_US/000021411.pdfRead 20 October 2026SPECS table: ANC off up to 10 h and 40 h with case, ANC on up to 7.5 h and 30 h. Anker FAQ test was at default settings, normal mode and 50 percent volume. LDAC increases power use and reduces playtime.2Maker product pageservice.soundcore.com/article-description/Different-Playtimes-of-soundcore-Liberty-4-Pro-from-a-Single-Charge-With-the-Charging-CaseRead 20 October 2026Maker FAQ: ANC 7.5 h and 30 h with case, normal 10 h and 40 h, transparency 7.5 h and 30 h. Calls 4 h with ANC, 4.5 h in normal mode and 4 h with transparency. The call row stores the normal-mode 4.5 h. Tested in the Anker laboratory at default settings, normal mode and 50 percent volume.

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

7.5h=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.

Not available

7.5h=CalculatedFrom Claimed battery life

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

7.5h=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.

36h=CalculatedFrom Claimed battery life

40h=CalculatedFrom Claimed battery life

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

Not available

30h=CalculatedFrom Claimed battery life

Talk time (claimed)

Not available

4.5h=CalculatedFrom Claimed battery life

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

60min4Maker product pagemi.com/global/support/faq/details/KA-309446Read 23 October 2026Charging Q1: the earbuds are fully charged in approximately no more than 60 minutes, depending on the case battery. The earbuds were charged in the case.

40min1Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000021411/en_US/000021411.pdfRead 20 October 2026SPECS table says charging time for earbuds up to 40 minutes. SoundGuys lists 45 minutes.

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.

Charging case input is 5 V 800 mA max and output is 5 V 340 mA max. The earbuds take 5 V 170 mA max. A fully charged case recharges the earbuds about 3.5 times. A charging cable is not in the box. The manual says the charger should supply between 0.15 W and 4 W.4Maker product pagemi.com/global/support/faq/details/KA-309446Read 23 October 2026Charging Q3: a full case charges the dual earbuds 3.5 times. Spec tab: case input 5 V 800 mA, case output 5 V 340 mA, earbud input 5 V 170 mA. Q12 of the FAQ section: no charging cable in the package. The manual gives the 0.15 W to 4 W charger range. China-Gadgets says 4.5 recharges, which differs from the maker.7Owner's manualkatalog.atcomp.cz/katalog/95XIS1182/Redmi_Buds_6_Play_User_Manual_sk_ATC.pdfRead 23 October 2026Page 2: no charging cable in the package. Specifications page 7: charger power between 0.15 W and 4 W. Case input 5 V 800 mA and output 5 V 340 mA, earbuds input 5 V 170 mA.

The manual gives up to 40 minutes for the earbuds. An empty case takes 2.5 hours by cable and 3.5 hours wirelessly. Case input is 5 V 1 A. The case stops charging the earbuds when its battery drops below 20 percent. Dry the earbuds and the USB-C port before charging.1Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000021411/en_US/000021411.pdfRead 20 October 2026

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

10min1Maker product pagemi.com/global/product/redmi-buds-6-playRead 23 October 202610 minutes of charging for up to 3 hours of music. Xiaomi internal labs.

5min1Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000021411/en_US/000021411.pdfRead 20 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.

3h1Maker product pagemi.com/global/product/redmi-buds-6-playRead 23 October 2026Up to 3 hours of music playback from a 10-minute charge. The earbuds play for these hours, since the page states music playback and not a total with the case.

4h1Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000021411/en_US/000021411.pdfRead 20 October 2026Charging section says a 5-minute charge of the earbuds gives 4 hours of playtime. ANC, volume and codec are not stated.

Charging case

5 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.

600mAh2Maker product pagemi.com/global/product/redmi-buds-6-play/specsRead 23 October 2026Charging case 600 mAh. No typical or rated wording.

580mAh1Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000021411/en_US/000021411.pdfRead 20 October 2026SPECS table lists Charging Case 580mAh. Typical or rated is not stated.

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

Not available

Not available

Case charging port

USB-C2Maker product pagemi.com/global/product/redmi-buds-6-play/specsRead 23 October 2026Charging port Type-C.7Owner's manualkatalog.atcomp.cz/katalog/95XIS1182/Redmi_Buds_6_Play_User_Manual_sk_ATC.pdfRead 23 October 2026Specifications page 7: Type-C.

USB-C1Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000021411/en_US/000021411.pdfRead 20 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

150min1Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000021411/en_US/000021411.pdfRead 20 October 2026Charging section says recharging the case with the earbuds removed takes 2.5 hours by cable and 3.5 hours by wireless charging.

Wireless charging

No4Maker product pagemi.com/global/support/faq/details/KA-309446Read 23 October 2026Charging Q1: the product supports wired charging.

Yes1Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000021411/en_US/000021411.pdfRead 20 October 2026Charging section says to place the case at the centre of a wireless charger. No standard is named.

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

Yes1Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000021411/en_US/000021411.pdfRead 20 October 2026Reset section says a notification sound plays from the charging case. SoundGuys says the app can play a tone from either the earbuds or the case.7Measurementsoundguys.com/anker-soundcore-liberty-4-pro-review-125410Read 20 October 2026The Find Device section of the app plays a loud tone from either the earbuds or the charging case.

Screen on case

Not available

Yes1Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000021411/en_US/000021411.pdfRead 20 October 2026Smart Display on the charging case with a touch bar.

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

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

Touch1Maker product pagemi.com/global/product/redmi-buds-6-playRead 23 October 20266Maker product pagemi.com/global/support/faq/details/KA-309144Read 23 October 2026Touch areas on the earbuds and a function key on the case for pairing and reset.

Pressure, Swipe1Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000021411/en_US/000021411.pdfRead 20 October 2026

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

Touch4Maker product pagemi.com/global/support/faq/details/KA-309446Read 23 October 2026FAQ Q35: the default is the phone volume button. The touch control table says volume up and down are available as custom gestures in the Xiaomi Earbuds app, so volume on the earbuds needs a custom gesture.

Swipe1Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000021411/en_US/000021411.pdfRead 20 October 2026

Gestures

Double tap: play or pause music, answer or end a call, Triple tap: next track, reject a call, Press and hold for 2 seconds: wake the phone's voice assistant, Triple tap both earbuds at once: forced pairing, Press and hold both earbuds for 1.5 seconds: low latency mode on or off4Maker product pagemi.com/global/support/faq/details/KA-309446Read 23 October 2026Touch control table: double tap, triple tap, press and hold for 2 s, triple tap on both earbuds. The low latency toggle is in the FAQ on low latency.6Maker product pagemi.com/global/support/faq/details/KA-309144Read 23 October 2026Touch control table: double tap, triple tap, triple tap on both earbuds for forced pairing, press and hold for 2 s for the phone voice assistant.

Squeeze once on either earbud: play or pause, or answer a call, Squeeze twice on the right earbud: next track, Squeeze twice on the left earbud: previous track, Tap and hold either earbud for 2 seconds: switch between ANC and transparency, or reject or end a call, Slide up on either earbud: volume up, Slide down on either earbud: volume down, Pinch both earbud stems for 3 seconds: pair a second device1Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000021411/en_US/000021411.pdfRead 20 October 2026Controls table for dual earbuds. Squeeze controls can be customised in the app. Using a single earbud, squeeze twice plays the next track and there is no previous-track gesture.

Remappable controls

Yes1Maker product pagemi.com/global/product/redmi-buds-6-playRead 23 October 2026

Yes1Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000021411/en_US/000021411.pdfRead 20 October 2026

Voice assistant

Phone voice assistant1Maker product pagemi.com/global/product/redmi-buds-6-playRead 23 October 20266Maker product pagemi.com/global/support/faq/details/KA-309144Read 23 October 2026Press and hold for 2 s wakes the voice assistant of the mobile phone.

Not available

Sensors and health

3 of 9 differ

In-ear detection

No4Maker product pagemi.com/global/support/faq/details/KA-309446Read 23 October 2026FAQ Q6: the earbuds do not support the in-ear detection pause function.

Yes1Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000021411/en_US/000021411.pdfRead 20 October 2026

Sensors

Not available

Barometric pressure sensor5Maker product pageankerjapan.com/products/a3954Read 20 October 2026Seven sensors for ANC, with a new barometric pressure sensor that works when Airplane Mode is turned on in the soundcore app.9Press articlemezha.ua/en/2024/10/07/anker-soundcore-liberty-4-pro-is-presented-tws-headphones-with-anc-and-up-to-40-hours-of-battery-life-for-129/ampRead 20 October 2026Seven sensors including one barometer.10Press articlemacerkopf.de/2025/01/07/anker-soundcore-liberty4-pro-ces2025Read 20 October 2026Barometric pressure sensor for the airplane mode. The same article gives a 149.99 euro price at its January 2025 launch while other reports say 129.99, so no euro price is stored.

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

Yes7Measurementsoundguys.com/anker-soundcore-liberty-4-pro-review-125410Read 20 October 2026HearID Sound Test creates an EQ preset for hearing differences. It is consumer sound personalization, not a medical test.

Hearing protectioniLimits sudden loud sounds

Not available

Not available

Health features

Not available

Not available

Fit and durability

4 of 7 differ

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

S, M, L4Maker product pagemi.com/global/support/faq/details/KA-309446Read 23 October 2026Accessories Q1: ear caps in S, M and L, 3 pairs, with M fitted on the earbuds.12Reviewchina-gadgets.de/redmi-buds-6-play-in-ear-testRead 23 October 2026Three pairs of ear tips in S, M and L.

XXS, XS, S, M, L, XL1Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000021411/en_US/000021411.pdfRead 20 October 2026

Ear tip materials

Silicone4Maker product pagemi.com/global/support/faq/details/KA-309446Read 23 October 2026The FAQ says ear caps only. Telefonino calls them silicone ear tips.13Press articletelefonino.net/notizie/redmi-buds-6-active-6-lite-e-6-play-in-europa-prezzi-da-1799eRead 23 October 2026Article of 2 Sep 2024: in-ear design without a stem and silicone ear tips.

Not available

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

Not available

Not available

Ear tip fit test

Not available

Yes1Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000021411/en_US/000021411.pdfRead 20 October 2026

Dust and water rating, buds

IPX41Maker product pagemi.com/global/product/redmi-buds-6-playRead 23 October 2026IPX4 applies to the earbuds only, not the charging case. Tested to IEC 60529 by Dongguan Nore Testing Centre, report 704202405026-00. One retailer lists IP54, which the maker does not state.

IP551Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000021411/en_US/000021411.pdfRead 20 October 2026SPECS table lists IP55 for the earbuds. SoundGuys and press list IPX5. Anker Japan says the case is not rated.

Dust and water rating, case

Not available

Not available

Water resistance depth

Not available

Not available

Software

1 of 6 differ

Companion app

Xiaomi Earbuds1Maker product pagemi.com/global/product/redmi-buds-6-playRead 23 October 2026Xiaomi Earbuds app for EQ and touch control settings.

soundcore1Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000021411/en_US/000021411.pdfRead 20 October 2026

App platforms

Android, iOS1Maker product pagemi.com/global/product/redmi-buds-6-playRead 23 October 2026Android 6.0 and later and iOS 14.0 and later.

Android, iOS1Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000021411/en_US/000021411.pdfRead 20 October 2026

User firmware updates

Yes12Reviewchina-gadgets.de/redmi-buds-6-play-in-ear-testRead 23 October 2026Review lists firmware updates in the Xiaomi Earbuds app, with five EQ presets, low latency mode, renaming and gesture customization.

Yes1Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000021411/en_US/000021411.pdfRead 20 October 2026

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.

3.825g(0.1 oz)5Maker product pagemi.com/ph/support/faq/details/KA-309000Read 23 October 2026Each earbud weighs approximately 3.825 g with a tolerance of +/- 0.2 g. The spec tab says 3.6 g for one earbud, a figure it labels as Xiaomi internal lab data. The two maker pages differ. The FAQ figure is stored because Earbudsarena also reports 3.8 g per earbud.

5.5g(0.2 oz)7Measurementsoundguys.com/anker-soundcore-liberty-4-pro-review-125410Read 20 October 2026Spec box lists earbud 5.5 g and case 51 g. It does not say whether weighed by SoundGuys. Amazon US lists 62 g in total, which matches 2 x 5.5 g plus 51 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.

38.98g(1.4 oz)5Maker product pagemi.com/ph/support/faq/details/KA-309000Read 23 October 2026The charging case weighs around 38.98 g. With both earbuds in the case the total is about 46.65 g, tolerance +/- 2 g, so 38.98 g is the empty case. The spec tab says 32.8 g for the case and 40.0 g in total, which differs. The FAQ figure is stored because Earbudsarena also reports 39.2 g for the case.

51g(1.8 oz)8Retailer pageamazon.com/dp/B0DBHPZLCCRead 20 October 2026Amazon US detail table lists carrying case weight 51 g. SoundGuys also lists case 51 g in its review spec box and 52 g with case on its product page.

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

Width53.9Height27.4Depth53.9mm(2.1 × 1.1 × 2.1 in)2Maker product pagemi.com/global/product/redmi-buds-6-play/specsRead 23 October 2026Charging case L53.9 x W53.9 x H27.4 mm. Length and width are equal, so width and depth are both 53.9 mm and the height is 27.4 mm. The earbud is listed as L20.6 x W14.5 x H22 mm, and the length axis is not stored as depth.

Width62Height29.6Depth65mm(2.4 × 1.2 × 2.6 in)8Retailer pageamazon.com/dp/B0DBHPZLCCRead 20 October 2026Amazon US detail table labels carrying case length 6.5 cm, width 6.2 cm and height 29.6 mm. Length is stored as depth. SoundGuys lists 65 x 62 x 30 mm with no axis names.

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 Wireless9Press articlemezha.ua/en/2024/10/07/anker-soundcore-liberty-4-pro-is-presented-tws-headphones-with-anc-and-up-to-40-hours-of-battery-life-for-129/ampRead 20 October 2026Mezha says the earbuds are Hi-Res Audio Wireless certified.10Press articlemacerkopf.de/2025/01/07/anker-soundcore-liberty4-pro-ces2025Read 20 October 2026Names the Hi-Res Audio Wireless standard.

Communication certifications

Not available

Not available

FCC IDs

2AFZZM2420E17Owner's manualkatalog.atcomp.cz/katalog/95XIS1182/Redmi_Buds_6_Play_User_Manual_sk_ATC.pdfRead 23 October 2026Page 6: FCC ID 2AFZZM2420E1 and IC 25903-M2420E1. Slovak copy of the Xiaomi user manual hosted by the distributor ATC.

2AOKB-A3954, 2AOKB-A3954L, 2AOKB-A3954R6Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3954QSG.pdfRead 20 October 2026Quick Start Guide prints FCC ID 2AOKB-A3954 for the model A3954 and 2AOKB-A3954L and 2AOKB-A3954R for the left and right earbuds.

Other certifications

BQB, CE, CB, IECEE, NTRA, EAC, FAC, SDPPI, SUBTEL, MTC, BIS, ETA, IC, KC, TELEC, PSE, NCC, BSMI, NTC, SIRIM, IMDA, NBTC, RoHS4Maker product pagemi.com/global/support/faq/details/KA-309446Read 23 October 2026Overview Q6 lists BQB, CE, CB, IECEE, NTRA, EAC, FAC, SDPPI, SUBTEL, MTC, BIS, ETA, FCC ID, IC, KC, TELEC, PSE, NCC, BSMI, NTC, SIRIM, IMDA and NBTC. Q7 says it complies with RoHS. FCC ID is stored in its own field.

Not available

In the box

1 of 2 differ

In the box

Redmi Buds 6 Play earbuds, Charging case, Ear caps (S, M and L), User manual2Maker product pagemi.com/global/product/redmi-buds-6-play/specsRead 23 October 2026Package contents: earbuds, charging case, user manual, one S ear cap and one L ear cap. The FAQ says the M ear caps are already on the earbuds.4Maker product pagemi.com/global/support/faq/details/KA-309446Read 23 October 2026Accessories Q1: ear caps and a user manual. Q12: no charging cable.

Earbuds, Charging case, Ear tips in six sizes (XXS, XS, S, M, L, XL), size M pre-installed, USB-C charging cable8Retailer pageamazon.com/dp/B0DBHPZLCCRead 20 October 2026Amazon US built-in media list: cable, charging case, XXS/XS/S/M/L/XL ear tips with size M pre-installed, and the earbuds.

Cables included

Not available

Not available

Links

Not compared

Product page

www.mi.com/global/product/redmi-buds-6-play1Maker product pagemi.com/global/product/redmi-buds-6-playRead 23 October 2026Global maker product page.

us.soundcore.com/products/a3954-liberty-4-pro-tws-earbuds3Maker product pageus.soundcore.com/products/a3954-liberty-4-pro-tws-earbudsRead 20 October 2026

Spec sheet

www.mi.com/global/product/redmi-buds-6-play/specs2Maker product pagemi.com/global/product/redmi-buds-6-play/specsRead 23 October 2026Global specs tab.

Not available

Manual

Not available

salesforce-knowledge-download.s3.us-west-2.amazonaws.com/000021411/en_US/000021411.pdf1Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000021411/en_US/000021411.pdfRead 20 October 2026English user guide A3954, published in the service index on 2025-09-01.

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

1.5years8Retailer pageamazon.com/dp/B0DBHPZLCCRead 20 October 2026Amazon US listing says 18 months warranty.

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