Earbuds / Compare

EarFun Air Pro 4+ vs soundcore Liberty Buds 2

A

Product A: EarFun

Air Pro 4+

93 of 166 known

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B

Product B: soundcore

Liberty Buds 2

86 of 166 known

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All 166 fields

Every value links to where we found it.

Only differences

AEarFun Air Pro 4+

Bsoundcore Liberty Buds 2

General

5 of 8 differ

Series

Not available

Liberty1Maker product pageus.soundcore.com/products/d1206-liberty-buds-2-ai-powered-in-ear-earbuds-for-callsRead 20 October 2026Maker line name Liberty. The product is named Anker soundcore Liberty Buds 2 and shows as Anker Liberty Buds 2 over Bluetooth.

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

TW7002Owner's manualdrive.google.com/file/d/1PFgEg6QfuDA3qYKMp8ClLs5IbhhSs6Oj/viewRead 8 October 2026

D1206, D1206ZQ1, D1206Z21, D1206Z11, D1206GQ1, D1206G21, D1206G112Maker product pageus.soundcore.com/products/d1206-liberty-buds-2-ai-powered-in-ear-earbuds-for-calls.jsRead 20 October 2026D1206 is the model in the manual. US store SKUs are D1206ZQ1 Mother of Pearl Version, D1206Z21 Silver White and D1206Z11 Glossy Black. The UK and EU stores list D1206GQ1, D1206G21 and D1206G11 for the same barcodes.

GTIN / EAN

Not available

194644348724, 194644366193, 1946443655612Maker product pageus.soundcore.com/products/d1206-liberty-buds-2-ai-powered-in-ear-earbuds-for-calls.jsRead 20 October 2026Barcodes of the three US variants. Each is a valid UPC-A number and the UK and EU stores list the same barcodes.

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

Not available

3 September 202614Press articletechradar.com/audio/earbuds-airpods/my-favorite-earbuds-of-the-year-just-got-an-open-ear-makeover-as-this-top-cheap-headphone-brand-debuts-7-new-modelsRead 20 October 2026Article of 3 September 2026 reports the Liberty Buds 2 among the products unveiled at IFA 2026.

Status

Available1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026

Available2Maker product pageus.soundcore.com/products/d1206-liberty-buds-2-ai-powered-in-ear-earbuds-for-calls.jsRead 20 October 2026US store product feed 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.

EarFun Air Pro 46Reviewtomsguide.com/audio/earbuds/earfun-air-pro-4-plus-reviewRead 8 October 2026Tom's Guide's review calls the EarFun Air Pro 4 the previous version of the Air Pro 4+.15Reviewm.gsmarena.com/earfun_air_pro_4_review-amp-71154.phpRead 23 October 2026GSMArena's review calls the Air Pro 4 the previous model of the Air Pro 4+.

Not available

SuccessoriThe model that directly replaced this one, in the same line, tier and size. A revision such as a Slim or OLED model does not count when a next generation exists.

Not available

Not available

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

Not available

$129.991Maker product pageus.soundcore.com/products/d1206-liberty-buds-2-ai-powered-in-ear-earbuds-for-callsRead 20 October 2026US store price is $129.99. TechRadar reports $129.99 at launch.14Press articletechradar.com/audio/earbuds-airpods/my-favorite-earbuds-of-the-year-just-got-an-open-ear-makeover-as-this-top-cheap-headphone-brand-debuts-7-new-modelsRead 20 October 2026Sells for $129.99 and 129.99 GBP.

Launch price (EU)iThe maker's euro launch price for the stated configuration, including VAT as published. Current store prices and later discounts do not qualify.

Not available

Not available

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

Not available

US, GB, EU2Maker product pageus.soundcore.com/products/d1206-liberty-buds-2-ai-powered-in-ear-earbuds-for-calls.jsRead 20 October 2026US, UK and EU soundcore stores all sell Liberty Buds 2.

ColoursiThe maker's own colour names

Black1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026

Mother of Pearl Version, Silver White, Glossy Black1Maker product pageus.soundcore.com/products/d1206-liberty-buds-2-ai-powered-in-ear-earbuds-for-callsRead 20 October 2026US store colour names, verbatim.

Segment

Music1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026

Music1Maker product pageus.soundcore.com/products/d1206-liberty-buds-2-ai-powered-in-ear-earbuds-for-callsRead 20 October 2026Listed in the soundcore Liberty true wireless line. The page title says earbuds for calls, but the line is the music line, so music is stored.

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-ear1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026

In-ear1Maker product pageus.soundcore.com/products/d1206-liberty-buds-2-ai-powered-in-ear-earbuds-for-callsRead 20 October 2026In-ear earbuds with ear tips that seal the ear canal.

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

Stem1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026

Stemless1Maker product pageus.soundcore.com/products/d1206-liberty-buds-2-ai-powered-in-ear-earbuds-for-callsRead 20 October 2026Maker image and TechRadar describe lightweight earbuds without long stems.14Press articletechradar.com/audio/earbuds-airpods/my-favorite-earbuds-of-the-year-just-got-an-open-ear-makeover-as-this-top-cheap-headphone-brand-debuts-7-new-modelsRead 20 October 2026Lightweight, without long stems.

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

Not available

Not available

RGB lighting

Not available

Not available

Drivers and sound

11 of 17 differ

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

AEarFun Air Pro 4+

Type	Diameter (mm)	Count per earbud
Dynamic	10	1
Balanced armature	Not available	1

Source1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026Maker hybrid 10 mm composite dynamic plus FeatherBA balanced armature, one of each per earbud. BA diameter and composite diaphragm ingredients are not published. Acoustic crossover roles are not inferred.

Bsoundcore Liberty Buds 2

Diameter (mm)	Count per earbud
9.2	1

Source3Maker product pageuk.soundcore.com/products/d1206-liberty-buds-2-ai-powered-in-ear-earbuds-for-calls.jsRead 20 October 2026UK page text: a single 9.2 mm PU + LCP composite diaphragm driver. The manual lists a 9.2 mm driver unit. The driver type is not stated.4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038554/en_US/000038554.pdfRead 20 October 2026SPECS table: Driver Unit 9.2 mm. One driver per bud is taken from the single diaphragm in the product text.

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

Hybrid1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026

Not available

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

10mm=CalculatedFrom Drivers per bud

9.2mm=CalculatedFrom Drivers per bud

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

2=CalculatedFrom Drivers per bud

1=CalculatedFrom Drivers per bud

Diaphragm material

Not available

PU + LCP composite1Maker product pageus.soundcore.com/products/d1206-liberty-buds-2-ai-powered-in-ear-earbuds-for-callsRead 20 October 2026US and EU page text: a single PU + LCP composite diaphragm. The US page meta description and TechRadar say wool-paper drivers, which does not match the page text.

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

Not available

Min20 HzMax20 kHz4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038554/en_US/000038554.pdfRead 20 October 2026SPECS table: 20Hz - 20kHz. No measurement conditions given.

Impedance

Not available

16Ω4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038554/en_US/000038554.pdfRead 20 October 2026SPECS table: 16 ohm.

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

Not available

Not available

Sensitivity reference

Not available

Not available

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

96kHz4Press releasemyearfun.com/jp/press-release/the-high-resolution-true-wireless-earphones-earfun-air-pro-4-feature-hybrid-drivers-with-carefully-selected-placement-angles-powerful-anc-and-high-quality-sound-codecsRead 8 October 2026Exact Air Pro 4+ technical release explicitly supports LDAC maximum 96 kHz / 24-bit. The same global TW700 manual and global page support LDAC. Separate aptX Lossless CD-quality 44.1 kHz / 16-bit support is not 96 kHz lossless.

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.

24bits4Press releasemyearfun.com/jp/press-release/the-high-resolution-true-wireless-earphones-earfun-air-pro-4-feature-hybrid-drivers-with-carefully-selected-placement-angles-powerful-anc-and-high-quality-sound-codecsRead 8 October 2026LDAC compatible-host claim, not an inferred Bluetooth 6.0 capability.

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

Yes5Measurementsoundguys.com/earfun-air-pro-4-plus-review-147238Read 8 October 2026

Yes1Maker product pageus.soundcore.com/products/d1206-liberty-buds-2-ai-powered-in-ear-earbuds-for-callsRead 20 October 2026HearID 5.0 analyzes the hearing profile.

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.

105Measurementsoundguys.com/earfun-air-pro-4-plus-review-147238Read 8 October 2026

Not available

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

Bass Boost 3, Bass Reducer 3, Treble Boost 3, Treble Reducer 35Measurementsoundguys.com/earfun-air-pro-4-plus-review-147238Read 8 October 2026Four explicitly named measured preset examples, not asserted to be the complete preset inventory.

Anker Signature, Clear Vocals, Powerful Bass, Calm and Soothing, Anker Balanced4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038554/en_US/000038554.pdfRead 20 October 2026Sound effects section lists five presets. Custom EQ can also be created. The number of custom bands is not stated.12Maker product pageservice.soundcore.com/article-description/How-to-Improve-Sound-Quality-on-Anker-Liberty-Buds-2Read 20 October 2026Curated Sound Effects are found under HearID in the app. A custom EQ curve can be built from the same menu.

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.

Not available

Dolby Audio4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038554/en_US/000038554.pdfRead 20 October 2026Dolby Audio, Music Mode, a fixed spatial audio effect. The battery FAQ calls it Dolby Atmos.

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

No4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038554/en_US/000038554.pdfRead 20 October 2026The manual describes a fixed spatial audio effect, so there is no head tracking.

Noise cancelling

4 of 11 differ

Active noise cancelling

Yes1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026

Yes1Maker product pageus.soundcore.com/products/d1206-liberty-buds-2-ai-powered-in-ear-earbuds-for-callsRead 20 October 2026Product text: 6-sensor full-band ANC system with Anker Thus AI chip. The listing images also show Adaptive ANC 4.0.

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

Hybrid1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026QuietSmart 3.0 adaptive hybrid ANC. The maker Japanese technical release separately confirms feed-forward and feed-back architecture. The six-microphone array is not treated as six dedicated ANC microphones.

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

Not available

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

Yes1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026Current global page says real-time adaptation every 0.3 seconds. The JP release says over 400 detections per second for another internal process. Neither figure is stored as an interchangeable universal refresh rate.

Yes1Maker product pageus.soundcore.com/products/d1206-liberty-buds-2-ai-powered-in-ear-earbuds-for-callsRead 20 October 2026Listing images show Adaptive ANC 4.0 and the manual describes ear-canal adaptive ANC that adjusts to the ear shape.7Maker product pageservice.soundcore.com/article-description/How-to-Choose-the-Right-Ambient-Sound-Mode-on-Anker-Liberty-Buds-2Read 20 October 2026Adaptive Mode adjusts to the environment, towards Transparency in quiet places and towards stronger ANC in loud ones.

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

412Reviewkopfhoerer.de/test/earfun-air-pro-4-plusRead 8 October 2026Exact Air Pro 4+ review explicitly identifies four manual intensity levels. The four named ANC operating profiles are separate and are not counted as strength levels. Firmware and app revision are not supplied.

54Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038554/en_US/000038554.pdfRead 20 October 2026Ambient sound section: Noise Cancellation Level 1 to 5. The FAQ groups them as Natural levels 1 to 4 and Deep level 5.7Maker product pageservice.soundcore.com/article-description/How-to-Choose-the-Right-Ambient-Sound-Mode-on-Anker-Liberty-Buds-2Read 20 October 2026Noise Cancellation has five levels, Natural 1 to 4 and Deep 5.

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

50dB1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026Up to 50 dB maker maximum claim, not reviewer-measured overall attenuation. The 4000 Hz cancellation range is not acoustic frequency response.

Not available

Transparency mode

Yes1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026

Yes4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038554/en_US/000038554.pdfRead 20 October 2026Ambient sound section lists Transparency.7Maker product pageservice.soundcore.com/article-description/How-to-Choose-the-Right-Ambient-Sound-Mode-on-Anker-Liberty-Buds-2Read 20 October 2026

Adjustable transparency

Yes5Measurementsoundguys.com/earfun-air-pro-4-plus-review-147238Read 8 October 2026Two named selectable ambient sound modes, Default and Natural. This is not an inferred continuously adjustable ambient gain slider.

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.

Yes5Measurementsoundguys.com/earfun-air-pro-4-plus-review-147238Read 8 October 2026Exact review observes a Wind Noise Cancelling playback mode. Current maker separately claims call wind suppression.

Yes15Reviewscarbir.com/tws/anker-liberty-buds-2-reviewRead 20 October 2026The app has a Wind Noise Reduction switch. The default ANC can let in a bit of wind noise. This is a selectable processing feature.

Measured

8 of 23 differ

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

SoundGuys default response closely follows its Headphone Preference Curve, with treble peaks around 7 kHz and above 10 kHz and a dip near 10 kHz.5Measurementsoundguys.com/earfun-air-pro-4-plus-review-147238Read 8 October 2026Default SoundGuys lab response against its named target. Firmware and codec are unstated. This review reports similar ANC-on/off response, while ReganCipher reports a notable shift with ANC on. No universal mode-independent response is asserted.

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

SoundGuys microphone demonstrations preserve intelligible speech in office and street noise, but have difficulty suppressing simulated wind.5Measurementsoundguys.com/earfun-air-pro-4-plus-review-147238Read 8 October 2026Published ideal, office, street, wind and reverberant microphone demonstrations. Other reviewers use different methods and reach different impressions.

Scarbir reports clear, natural calls in noise, including wind. Sudden sounds such as laughter or a toilet flush are inaudible to the caller. Vehicle acceleration and door slams can add a brief metallic edge. The line can turn metallic with small hiccups when the earbuds are connected to two devices and one goes out of range. Bought by the reviewer. Firmware is not stated.15Reviewscarbir.com/tws/anker-liberty-buds-2-reviewRead 20 October 2026Review text on call quality in noise and wind. No numbers are 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

AEarFun Air Pro 4+

Connection	Low latency mode	Latency (ms)
Bluetooth	No	234
Bluetooth	Yes	113

Source7Measurementregancipher.com/reviews/2025/11/earfun-air-pro-4-plus-reviewRead 8 October 2026Exact Air Pro 4+ review, reference RC186. Reviewer measured normal mode 234 ms and Game Mode 113 ms. Host platform, codec, firmware and measurement apparatus are not reported in the article, so no platform or codec is invented. These are source-specific observations, not maker 50 ms equivalence.

Bsoundcore Liberty Buds 2

Not available

Bluetooth latency, worst (measured)iMeasured by a reviewer, not claimed by the maker

234ms=CalculatedFrom Latency (measured)

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

113ms=CalculatedFrom Latency (measured)

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.

AEarFun Air Pro 4+

ANC	Hours (h)
Yes	6.28

Source5Measurementsoundguys.com/earfun-air-pro-4-plus-review-147238Read 8 October 2026One charge with ANC enabled lasted 6 h 17 min. Two-week manufacturer-supplied sample, expedited paid collaboration disclosed with editorial independence. Firmware, codec, host and numeric test level are not supplied in this exact review and remain unknown. It is not case-inclusive runtime.

Bsoundcore Liberty Buds 2

ANC	Hours (h)
Yes	7

Source15Reviewscarbir.com/tws/anker-liberty-buds-2-reviewRead 20 October 2026Review of 9 October 2026 says battery life on a single charge comes in at 7 hours with music and ANC on. The reviewer bought the earbuds. Volume, codec and firmware are not stated. Without music and with ANC on the reviewer got a bit over 8 hours.

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

6.28h=CalculatedFrom Battery life (measured)

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

5g(0.2 oz)5Measurementsoundguys.com/earfun-air-pro-4-plus-review-147238Read 8 October 2026Reviewer explicitly measured 5 g each on a scale. Precision, tip size and instrument are unstated. Global maker 54 g is total product mass and is not stored as empty-case mass.

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.

61Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026Maker AI Clear Call six-microphone system across the pair, cVc 8.0. The JP technical release explicitly states three per earbud.

61Maker product pageus.soundcore.com/products/d1206-liberty-buds-2-ai-powered-in-ear-earbuds-for-callsRead 20 October 2026Product text: 8 sensors, 3 mics + 1 bone-conduction sensor per bud. That is 6 microphones across the pair. The 6-sensor ANC system and the call microphones are the same physical microphones as far as the text says.

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 pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026Six physical microphones in both buds. ANC-specific count and shared roles are not separately established.

61Maker product pageus.soundcore.com/products/d1206-liberty-buds-2-ai-powered-in-ear-earbuds-for-callsRead 20 October 20263 microphones per bud, 6 in total. The bone-conduction sensors are not microphones and are excluded.

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

Yes1Maker product pageus.soundcore.com/products/d1206-liberty-buds-2-ai-powered-in-ear-earbuds-for-callsRead 20 October 20261 bone-conduction sensor per bud.

Mic noise reduction

AI1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026

AI1Maker product pageus.soundcore.com/products/d1206-liberty-buds-2-ai-powered-in-ear-earbuds-for-callsRead 20 October 2026Thus AI isolates the speech from the background on calls.

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.

Yes7Measurementregancipher.com/reviews/2025/11/earfun-air-pro-4-plus-reviewRead 8 October 2026Exact review explicitly observes assignable mute-call functionality in control customization. Physical dedicated button is not implied by the schema control field.

No15Reviewscarbir.com/tws/anker-liberty-buds-2-reviewRead 20 October 2026Review says there is no mute button like on the Liberty 5.

SidetoneiHear your own voice in calls

Not available

Not available

Connectivity

9 of 18 differ

Chip

Qualcomm QCC30911Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026

ANKER Thus AI1Maker product pageus.soundcore.com/products/d1206-liberty-buds-2-ai-powered-in-ear-earbuds-for-callsRead 20 October 2026Powered by Anker Thus AI Chip. The page says World's First refers to NOR Flash CIM chips and 150 times computing power is against the previous flagship earbud chip.

Connections

Bluetooth1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026

Bluetooth4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038554/en_US/000038554.pdfRead 20 October 2026Compliance section: open ports are Classic Bluetooth and BLE. There is no 2.4 GHz or wired mode.

Bluetooth

6.01Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026

6.14Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038554/en_US/000038554.pdfRead 20 October 2026SPECS table: Bluetooth Version 6.1.

Bluetooth codecs

aptX Lossless, aptX Adaptive, LDAC, LC3, SBC, AAC1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026Global spec names aptX Lossless, aptX Adaptive, LDAC and LC3. Auracast in its codec line is a feature, not a codec. SBC is explicitly named in the Hi-Res section. AAC is separately documented by the exact review.8Reviewregancipher.com/reviews/2025/11/earfun-air-pro-4-plus-reviewRead 8 October 2026Exact Air Pro 4+ codec table explicitly lists AAC and SBC as well as the global maker high-resolution and LE codecs. Sibling Air Pro 4 values are not used.

SBC, AAC, LDAC5Maker product pageservice.soundcore.com/product-description/a08e200000d1QBkAAMRead 20 October 2026Supported Bluetooth Codec: AAC, SBC, LDAC. The manual says LDAC runs at 660 kbps in its battery test. Scarbir also lists AAC and LDAC.

Bluetooth profiles

A2DP, AVRCP, HFP1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026

Not available

LE Audio

Yes4Press releasemyearfun.com/jp/press-release/the-high-resolution-true-wireless-earphones-earfun-air-pro-4-feature-hybrid-drivers-with-carefully-selected-placement-angles-powerful-anc-and-high-quality-sound-codecsRead 8 October 2026Exact maker technical release explicitly names LE Audio and LC3, also consistent with global current LC3 and Auracast specification.

Not available

Auracast

Yes1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026

Not available

MultipointiConcurrent Bluetooth connections to multiple source devices. Pairing memory and switching through a manufacturer account alone do not qualify.

Yes1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 20263Owner's manualdrive.google.com/file/d/1PFgEg6QfuDA3qYKMp8ClLs5IbhhSs6Oj/viewRead 8 October 2026English pages 1-2 explicitly pair and connect two Bluetooth sources simultaneously, with automatic reconnection to both. Pairing memory maximum is not supplied.

Yes4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038554/en_US/000038554.pdfRead 20 October 2026Dual Connections is enabled by default. Two Bluetooth devices at the same time.

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

21Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 20263Owner's manualdrive.google.com/file/d/1PFgEg6QfuDA3qYKMp8ClLs5IbhhSs6Oj/viewRead 8 October 2026

24Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038554/en_US/000038554.pdfRead 20 October 2026Two Bluetooth devices at the same time.

Multipoint with LDACiMany buds turn multipoint off on LDAC

Yes4Press releasemyearfun.com/jp/press-release/the-high-resolution-true-wireless-earphones-earfun-air-pro-4-feature-hybrid-drivers-with-carefully-selected-placement-angles-powerful-anc-and-high-quality-sound-codecsRead 8 October 2026Exact maker technical release explicitly says LDAC can coexist with two-device multipoint. No opposite global restriction was found. JP-only quick-charge and other optional processing claims are not transferred.

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 pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026

Google Fast Pair4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038554/en_US/000038554.pdfRead 20 October 2026Google Fast Pair on Android 6.0 or later.

Audio sharingiShare one stream with a second pair

Not available

Not available

Wireless range (claimed)

Not available

10m4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038554/en_US/000038554.pdfRead 20 October 2026SPECS table: 10m (32ft).

Wireless receiveri2.4 GHz dongle

None13Reviewrtings.com/headphones/reviews/earfun/air-pro-4-plusRead 8 October 2026Exact public review explicitly says these earbuds do not have a wireless dongle.

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 pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026

Yes10Maker product pageservice.soundcore.com/article-description/How-to-Get-a-More-Stable-Connection-and-Lower-Latency-on-Anker-Liberty-Buds-2Read 20 October 2026Game Mode in the app is built to minimize delay. No latency figure is published.

Claimed latency

AEarFun Air Pro 4+

Connection	Mode	Latency (ms)
Bluetooth	Game Mode	50

Source1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026

Bsoundcore Liberty Buds 2

Not available

Lowest claimed latency

50ms=CalculatedFrom Claimed latency

Not available

Compatibility

3 of 4 differ

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

Android, iOS2Owner's manualdrive.google.com/file/d/1PFgEg6QfuDA3qYKMp8ClLs5IbhhSs6Oj/viewRead 8 October 2026

Android, iOS, Windows, macOS11Maker product pageservice.soundcore.com/article-description/How-to-Use-Anker-Liberty-Buds-2-for-Music-and-Calls-on-Windows-and-MacRead 20 October 2026The maker documents Windows and Mac use for music and calls. Android needs 6.0 or later for Fast Pair and the app. The app needs iOS 13 or later.

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.

AEarFun Air Pro 4+

Platform	Connection
Android	Bluetooth
iOS	Bluetooth

Source2Owner's manualdrive.google.com/file/d/1PFgEg6QfuDA3qYKMp8ClLs5IbhhSs6Oj/viewRead 8 October 2026

Bsoundcore Liberty Buds 2

Platform	Connection	Microphone works
Android	Bluetooth	Not available
iOS	Bluetooth	Not available
Windows	Bluetooth	Yes
macOS	Bluetooth	Yes

Source11Maker product pageservice.soundcore.com/article-description/How-to-Use-Anker-Liberty-Buds-2-for-Music-and-Calls-on-Windows-and-MacRead 20 October 2026Windows lists Stereo for music and Hands-Free for calls with the microphone. Mac uses one device for input and output. Phone microphone use is not stated per platform.

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

AEarFun Air Pro 4+

Feature	Needs
AI Translation	EarFun Audio app 20.1.36 or later on Android, or 20.5.5 or later on iOS.
LDAC	Compatible Android phone and LDAC enabled in EarFun Audio. iOS does not support LDAC.
aptX Lossless	Compatible Snapdragon Sound source device.
Auracast	Compatible Auracast broadcast source or device.
EarFun Tones voice prompts	EarFun Audio Android 20.1.46 or iOS 20.6.7 and current earbud firmware.

Source1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026Current maker app-version footnotes and exact manual LDAC restriction. Generic codec compatibility does not mean every phone supports every advanced mode.3Owner's manualdrive.google.com/file/d/1PFgEg6QfuDA3qYKMp8ClLs5IbhhSs6Oj/viewRead 8 October 2026English page 3 LDAC activation requires Android LDAC support and restarting buds through the app. It explicitly excludes iOS LDAC.

Bsoundcore Liberty Buds 2

Feature	Needs
LDAC	Enable Preferred Audio Quality in the soundcore app on a device with Android 8.0 or later. LDAC is not available on iPhone. LDAC cannot run together with Dolby Audio or Game Mode. Samsung phones also need the LDAC toggle in phone settings.
Dolby Audio	Turn on in the soundcore app. It cannot run together with EQ, LDAC or Game Mode. The effect is a fixed spatial audio effect.
Game Mode	Turn on in the soundcore app. It cannot run together with EQ, LDAC or Dolby Audio.
HearID	Sign in to a soundcore account in the app, then take the HearID sound test. Results are saved and applied automatically.
AI translation	Needs the soundcore app and a connected phone. Turn off Dual Connections first.
Change ANC mode during a call	Update the earbuds to the latest firmware.
Voice assistant	Not assigned by default. Assign the phone's voice assistant to a double press, triple press or long press in the app. A single tap cannot be assigned.
Fast charging	The earbuds must be fully depleted before a 10 minute charge gives up to 4 hours of playback.

Source4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038554/en_US/000038554.pdfRead 20 October 2026LDAC and Dolby notes from the manual. Calls and ANC mode change need current firmware. Real-time translation needs Dual Connections off.12Maker product pageservice.soundcore.com/article-description/How-to-Improve-Sound-Quality-on-Anker-Liberty-Buds-2Read 20 October 2026Dolby Audio, EQ, LDAC and Game Mode cannot run together. LDAC is not available on iPhone.

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.

54mAh1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 202654 mAh x 2, stored per earbud. Typical versus rated is unspecified.

60mAh4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038554/en_US/000038554.pdfRead 20 October 2026SPECS table: 60mAh x 2 (Earbuds). Stored as one earbud. Typical versus 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.

Not available

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.

AEarFun Air Pro 4+

Mode	Includes case recharges	Hours (h)
ANC off	No	12
ANC off	Yes	54
ANC on	No	8
ANC on	Yes	36

Source1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026ANC off 12 hours buds and 54 hours total. ANC on 8 hours buds and 36 hours total. Codec, numeric volume and host are not specified. Totals include initial earbud charge.

Bsoundcore Liberty Buds 2

Mode	Codec	Spatial audio	Includes case recharges	Hours (h)
ANC off	Not available	Not available	No	12
ANC off	Not available	Not available	Yes	46
ANC on	Not available	Not available	No	7
ANC on	Not available	Not available	Yes	27
Transparency	Not available	Not available	No	7
Transparency	Not available	Not available	Yes	27
ANC on	LDAC	Not available	No	4.5
ANC on	LDAC	Not available	Yes	17.5
ANC on	Not available	Yes	No	4
ANC on	Not available	Yes	Yes	15.5
Call	Not available	Not available	No	4
Call	Not available	Not available	Yes	15.5

Source4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038554/en_US/000038554.pdfRead 20 October 2026Manual lists Normal mode 12 / 46 hours, ANC On / Transparency 7 / 27, ANC + LDAC (660 kbps) 4.5 / 17.5 and ANC + Calling 4 / 15.5. The first number is the earbuds and the second is with the charging case. The FAQ states testing at room temperature, factory settings and 50% volume in music mode, and adds Dolby Atmos with ANC on at 4 / 15.5 hours. The call rows are with ANC on. Adaptive mode is 7 / 27 hours in the FAQ and is not stored.6Maker product pageservice.soundcore.com/article-description/How-Long-the-Battery-Lasts-on-Anker-Liberty-Buds-2-in-Each-ModeRead 20 October 2026Playtime by mode, earbuds only and with the charging case. Testing at room temperature with factory settings, 50% volume and music mode.

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.

12h=CalculatedFrom Claimed battery life

12h=CalculatedFrom Claimed battery life

Playback per charge with ANC (claimed)iHighest claimed earbuds-only playback with ANC enabled. Codec and spatial-audio conditions belong in the source note.

8h=CalculatedFrom Claimed battery life

7h=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.

12h=CalculatedFrom Claimed battery life

12h=CalculatedFrom Claimed battery life

Total with case (claimed)iHighest claimed runtime including the initial earbud charge and all case recharges. It is not the case recharge runtime alone.

54h=CalculatedFrom Claimed battery life

46h=CalculatedFrom Claimed battery life

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

36h=CalculatedFrom Claimed battery life

27h=CalculatedFrom Claimed battery life

Talk time (claimed)

Not available

4h=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.

60min2Owner's manualdrive.google.com/file/d/1PFgEg6QfuDA3qYKMp8ClLs5IbhhSs6Oj/viewRead 8 October 2026English page 5: one hour earbuds via case. The two-hour USB-C and 3.5-hour wireless results explicitly combine earbuds and case. Global webpage labels those case-only, so case_charge_time_min is omitted pending resolution.

60min4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038554/en_US/000038554.pdfRead 20 October 2026SPECS table: Full Charging Time for Earbuds 1 Hour. The FAQ says under 1 hour.8Maker product pageservice.soundcore.com/article-description/What-Should-I-Do-If-My-Anker-Liberty-Buds-2-Has-Charging-IssuesRead 20 October 2026Earbuds: less than 1 hour for a full charge.

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

Not available

The manual and the FAQ give under 1 hour for the earbuds, 3 hours for the case by cable and 4 hours for the case by wireless charging. The FAQ says the case figures are with the earbuds inside and the manual says the 3 hour cable figure is with the earbuds removed. Input is 5 V 1 A and the maker recommends a 5 V 1 A charger. Wireless charging does not work with watch chargers.4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038554/en_US/000038554.pdfRead 20 October 2026SPECS table: input 5 V 1 A, wireless charging time for the earbuds 4 hours.8Maker product pageservice.soundcore.com/article-description/What-Should-I-Do-If-My-Anker-Liberty-Buds-2-Has-Charging-IssuesRead 20 October 2026Charging works between 0 and 45 C. The FAQ recommends a 5 V 1 A charger.

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

10min1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026

10min6Maker product pageservice.soundcore.com/article-description/How-Long-the-Battery-Lasts-on-Anker-Liberty-Buds-2-in-Each-ModeRead 20 October 202610 minutes of charging gives up to 4 hours of playback in Normal Mode, from fully depleted earbuds.8Maker product pageservice.soundcore.com/article-description/What-Should-I-Do-If-My-Anker-Liberty-Buds-2-Has-Charging-IssuesRead 20 October 2026Fast charging: 10 minutes gives up to 4 hours of playback in Normal Mode.

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 pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026Selected global page comparison row claims two hours from ten minutes. ANC, codec, volume and test host are unstated. JP maker material and older review copy claim three hours, so this value is explicitly limited to the global page claim, not universal across editions.

4h6Maker product pageservice.soundcore.com/article-description/How-Long-the-Battery-Lasts-on-Anker-Liberty-Buds-2-in-Each-ModeRead 20 October 2026Earbuds-only playback in Normal Mode. The earbuds must be fully depleted first. Codec and volume are not stated.8Maker product pageservice.soundcore.com/article-description/What-Should-I-Do-If-My-Anker-Liberty-Buds-2-Has-Charging-IssuesRead 20 October 2026The earbuds must be fully depleted before fast charging is used.

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.

600mAh1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026600 mAh case cell. Typical versus rated is unspecified.

580mAh4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038554/en_US/000038554.pdfRead 20 October 2026SPECS table: 580mAh (Charging Case). Typical versus 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-C1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026

USB-C4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038554/en_US/000038554.pdfRead 20 October 2026USB-C Charging Port.

Case full charge timeiBy cable, 0 to 100 %. A time the maker gives with the earbuds inside the case counts, and the source note says so.

Not available

180min4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038554/en_US/000038554.pdfRead 20 October 2026SPECS table: Full Charging Time for Charging Case (Wired Charging) 3 Hours. The charging section says recharging the case with the earbuds removed takes 3 hours via cable. The FAQ says under 3 hours with the earbuds inside. Stored as 180 minutes.8Maker product pageservice.soundcore.com/article-description/What-Should-I-Do-If-My-Anker-Liberty-Buds-2-Has-Charging-IssuesRead 20 October 2026Charging case wired: less than 3 hours with the earbuds inside.

Wireless charging

Yes1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026Maker explicitly supports wireless charging. Qi compatibility is separately documented by the exact Black review. Primary numerical charging power is unproved.

Yes4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038554/en_US/000038554.pdfRead 20 October 2026The charging section says to place the case on a wireless charger for wireless charging.

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

Qi14Reviewhifioasis.com/reviews/earfun-air-pro-4-plus-reviewRead 8 October 2026Exact Black review repeatedly specifies Qi case charging in its physical description and daily-use battery section. This is secondary compatibility evidence, not a claimed WPC certification-list lookup. Its conflicting 60 mAh battery and 54 g empty-case table are excluded in favor of maker 54 mAh per bud and total product mass.

Qi8Maker product pageservice.soundcore.com/article-description/What-Should-I-Do-If-My-Anker-Liberty-Buds-2-Has-Charging-IssuesRead 20 October 2026Charging case wireless: standard Qi. Watch chargers are not supported.

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

3 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.

Touch1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026

Touch4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038554/en_US/000038554.pdfRead 20 October 2026Touch Control Area on each earbud.

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

Touch2Owner's manualdrive.google.com/file/d/1PFgEg6QfuDA3qYKMp8ClLs5IbhhSs6Oj/viewRead 8 October 2026English page 4 assigns right single tap volume up and left single tap volume down. Playback, call and noise-control gestures are separately listed.

Not available

Gestures

Single tap, Double tap, Triple tap, Touch and hold for two seconds2Owner's manualdrive.google.com/file/d/1PFgEg6QfuDA3qYKMp8ClLs5IbhhSs6Oj/viewRead 8 October 2026

Double tap right earbud: play or pause (single earbud: double tap), Double tap left earbud: next track, Double tap either earbud: answer or end a call, Hold either earbud for 2 seconds: reject an incoming call or change ANC mode during a call, Hold either earbud for 2 seconds: switch between ANC and Transparency modes, Hold both earbuds for 3 seconds: enter pairing mode for a second device4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038554/en_US/000038554.pdfRead 20 October 2026Controls table for dual earbuds and single earbud use. A case button is separate.

Remappable controls

Yes1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026

Yes9Maker product pageservice.soundcore.com/article-description/How-to-Improve-Call-Quality-on-Anker-Liberty-Buds-2Read 20 October 2026The app Controls page assigns functions to touch gestures. Scarbir says single tap, double tap, triple tap and hold can be fully customized.

Voice assistant

Connected phone voice assistant2Owner's manualdrive.google.com/file/d/1PFgEg6QfuDA3qYKMp8ClLs5IbhhSs6Oj/viewRead 8 October 2026English page 4 right hold invokes the connected phone voice assistant. No assistant brand is guaranteed.

Phone's voice assistant9Maker product pageservice.soundcore.com/article-description/How-to-Improve-Call-Quality-on-Anker-Liberty-Buds-2Read 20 October 2026Touch controls are not assigned to the voice assistant by default. In the app, Controls lets you assign the phone's voice assistant to a double press, triple press or long press.

Sensors and health

1 of 9 differ

In-ear detection

Yes1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 20263Owner's manualdrive.google.com/file/d/1PFgEg6QfuDA3qYKMp8ClLs5IbhhSs6Oj/viewRead 8 October 2026Remove to pause, reinsert to resume or answer normal calls. The manual excludes VoIP call auto-answer and permits disabling the feature in EarFun Audio.

Yes15Reviewscarbir.com/tws/anker-liberty-buds-2-reviewRead 20 October 2026The app can turn off automatic pausing when you take an earbud out.

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.

Yes5Measurementsoundguys.com/earfun-air-pro-4-plus-review-147238Read 8 October 2026

Yes4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038554/en_US/000038554.pdfRead 20 October 2026HearID analyzes the hearing sensitivity at different frequencies with a test in the app. This is a consumer sound test and not a medical test.

Hearing protectioniLimits sudden loud sounds

Not available

Yes7Maker product pageservice.soundcore.com/article-description/How-to-Choose-the-Right-Ambient-Sound-Mode-on-Anker-Liberty-Buds-2Read 20 October 2026Smart Hearing Protection steps in automatically when a sudden loud sound occurs, under Home > Transparency Mode > HearGuard.

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.

XS, S, M, L, XL2Owner's manualdrive.google.com/file/d/1PFgEg6QfuDA3qYKMp8ClLs5IbhhSs6Oj/viewRead 8 October 2026English printed page 1 fitting diagram explicitly labels XS, S, M, L and XL. Those sizes are supplied, corroborated by the maker package graphic and exact review. Fitted size is not inferred.5Measurementsoundguys.com/earfun-air-pro-4-plus-review-147238Read 8 October 2026Exact review reports five supplied sizes and four spare pairs. Full size labels come from current maker booklet English page 1.6Reviewtomsguide.com/audio/earbuds/earfun-air-pro-4-plus-reviewRead 8 October 2026Exact model review explicitly identifies five tip sizes and fitting with XS. Standard supplied full size range is corroborated by the package image, not borrowed from Air Pro 4.

XXS, XS, S, M, L4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038554/en_US/000038554.pdfRead 20 October 2026The wearing guide shows ear tip sizes XXS, XS, S, M and L. M tips are pre-installed. Scarbir counts five tip sizes in the box.

Ear tip materials

Silicone13Reviewrtings.com/headphones/reviews/earfun/air-pro-4-plusRead 8 October 2026Public exact Black review text explicitly identifies included silicone tips. Locked test tables and firmware settings were not bypassed or used.

Silicone15Reviewscarbir.com/tws/anker-liberty-buds-2-reviewRead 20 October 2026Five sizes of silicone ear tips.

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

None5Measurementsoundguys.com/earfun-air-pro-4-plus-review-147238Read 8 October 2026

Fins4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038554/en_US/000038554.pdfRead 20 October 2026Ear fins in sizes 0, 1 and 2. Size 1 is pre-installed. Scarbir calls them ear wings and counts three sizes.

Ear tip fit test

Not available

Yes4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038554/en_US/000038554.pdfRead 20 October 2026The wearing guide has a Fit Test in the app under Settings.

Dust and water rating, buds

IP551Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026

IP554Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038554/en_US/000038554.pdfRead 20 October 2026SPECS table: IP55 for the earbuds. The soundcore service page lists IPX55. The manual figure is stored. Scarbir also says IP55. The case has no rating.

Dust and water rating, case

Not available

Not available

Water resistance depth

Not available

Not available

Software

1 of 6 differ

Companion app

EarFun Audio1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026

soundcore4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038554/en_US/000038554.pdfRead 20 October 2026The manual and the FAQ name the soundcore app. The earbuds appear as Anker Liberty Buds 2 over Bluetooth.

App platforms

Android, iOS1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026

Android, iOS13Maker product pageservice.soundcore.com/article-description/How-to-Connect-the-soundcore-App-and-Update-Firmware-for-Anker-Liberty-Buds-2Read 20 October 2026The soundcore app runs on iOS 13 or later and on Android.

User firmware updates

Yes1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026

Yes4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038554/en_US/000038554.pdfRead 20 October 2026Firmware update section in the manual.13Maker product pageservice.soundcore.com/article-description/How-to-Connect-the-soundcore-App-and-Update-Firmware-for-Anker-Liberty-Buds-2Read 20 October 2026Firmware updates are installed from the soundcore app with the earbuds in the case.

Finding network

Not available

Not available

Precision findingiUWB in the case

Not available

Not available

Live translation

Yes1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026Current global maker page explicitly supports AI Translation with app-version requirements. The November 2025 SoundGuys statement that it lacks translation is stale against current maker evidence.

Yes4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038554/en_US/000038554.pdfRead 20 October 2026AI Translation section: real-time and face-to-face translation in the soundcore app.

Dimensions and weight

1 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.

Not available

4.7g(0.2 oz)1Maker product pageus.soundcore.com/products/d1206-liberty-buds-2-ai-powered-in-ear-earbuds-for-callsRead 20 October 2026At just 4.7 g. TechRadar says 4.7 g each. Tip size is not stated.14Press articletechradar.com/audio/earbuds-airpods/my-favorite-earbuds-of-the-year-just-got-an-open-ear-makeover-as-this-top-cheap-headphone-brand-debuts-7-new-modelsRead 20 October 2026Weigh 4.7 g each.

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

Certifications

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

Hi-Res Audio Wireless1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026Current maker branding specifies Hi-Res Audio Wireless. This does not itself prove lossless 96 kHz transmission.

Hi-Res Audio Wireless1Maker product pageus.soundcore.com/products/d1206-liberty-buds-2-ai-powered-in-ear-earbuds-for-callsRead 20 October 2026The Hi-Res Audio Wireless logo is on the US store listing images next to the LDAC logo.

Communication certifications

ISED IC 25936-TW700, Japan radio certification 220-JP93132Owner's manualdrive.google.com/file/d/1PFgEg6QfuDA3qYKMp8ClLs5IbhhSs6Oj/viewRead 8 October 2026Original back cover states Canadian IC/HVIN and Japanese radio mark identifiers.

Not available

FCC IDs

2AVIT-TW7002Owner's manualdrive.google.com/file/d/1PFgEg6QfuDA3qYKMp8ClLs5IbhhSs6Oj/viewRead 8 October 2026Original booklet back cover explicitly states model TW700 and FCC ID 2AVIT-TW700. Radio approval is not an acoustic measurement.

Not available

Other certifications

CE, UKCA, RoHS, PSE2Owner's manualdrive.google.com/file/d/1PFgEg6QfuDA3qYKMp8ClLs5IbhhSs6Oj/viewRead 8 October 2026Original back-cover manufacturer compliance marks, not independent database validation or medical clearance.

TÜV Rheinland Comfortable Fit1Maker product pageus.soundcore.com/products/d1206-liberty-buds-2-ai-powered-in-ear-earbuds-for-callsRead 20 October 2026TÜV Rheinland Comfortable Fit badge on the listing images. The certificate ID on the badge is 0217010962.

In the box

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In the box

Pair of earbuds, Charging case, Five pairs of ear tips, USB-A to USB-C charging cable, User manual, Warranty and charging guidance5Measurementsoundguys.com/earfun-air-pro-4-plus-review-147238Read 8 October 2026Maker current IN THE BOX graphic and exact review. No charging pad, receiver, hooks or fins are shown or listed.11Maker product pageoss.myearfun.com/image/f8abb67eb6ddaa264ba6dec84f17d10d.jpgRead 8 October 2026Current exact TW700B package graphic shows pair of earbuds, case, four spare tip pairs, cable, original user manual, warranty and charging guidance. No charging pad or receiver is shown.

Earbuds, Charging case, Ear tips in 5 sizes, Ear fins in 3 sizes, Charging cable, User manual4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038554/en_US/000038554.pdfRead 20 October 2026The manual refers to the provided charging cable and the ear tips and ear fins. The full box list is from Scarbir. The cable type is not stated.15Reviewscarbir.com/tws/anker-liberty-buds-2-reviewRead 20 October 2026Review says the box has 5 sets of ear tips, 3 sets of ear wings and an English manual. The earbuds and case are implied.

Cables included

AEarFun Air Pro 4+

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

Source5Measurementsoundguys.com/earfun-air-pro-4-plus-review-147238Read 8 October 2026Maker package graphic visibly shows one USB-A to USB-C cable. Length unstated.11Maker product pageoss.myearfun.com/image/f8abb67eb6ddaa264ba6dec84f17d10d.jpgRead 8 October 2026Current global product-page IN THE BOX graphic visibly shows one USB-A to USB-C cable. Length unstated.

Bsoundcore Liberty Buds 2

Not available

Links

Not compared

Product page

www.myearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-black1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026

us.soundcore.com/products/d1206-liberty-buds-2-ai-powered-in-ear-earbuds-for-calls1Maker product pageus.soundcore.com/products/d1206-liberty-buds-2-ai-powered-in-ear-earbuds-for-callsRead 20 October 2026

Spec sheet

www.myearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-black1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026Selected global Black product page includes the full model specifications. Air Pro 4 TW600 and Air Pro 4i are separate products, not this TW700 reference.

service.soundcore.com/product-description/a08e200000d1QBkAAM5Maker product pageservice.soundcore.com/product-description/a08e200000d1QBkAAMRead 20 October 2026The soundcore service product page for Anker Liberty Buds 2 lists Bluetooth 6.1, codecs, IPX55, battery capacity and battery life.

Manual

drive.google.com/file/d/1PFgEg6QfuDA3qYKMp8ClLs5IbhhSs6Oj/view2Owner's manualdrive.google.com/file/d/1PFgEg6QfuDA3qYKMp8ClLs5IbhhSs6Oj/viewRead 8 October 2026Current public maker product-guide link to the original 36-page multilingual TW700 booklet. English pages 1-5 and app page read in full. Link filename is newer than PDF metadata title V4-20260214, so no verified V5 content revision is asserted.

salesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038554/en_US/000038554.pdf4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038554/en_US/000038554.pdfRead 20 October 2026English user guide D1206, 12 pages, created 18 September 2026.

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.

1.5years10Maker product pagemyearfun.com/warrantyRead 8 October 2026Selected global direct-store quality-defect warranty is eighteen months from purchase. Optional registration extensions and Japan-specific terms are not included in this base value. A generic page banner says Lifetime Warranty, but the specific quality-defect policy and product warranty card explicitly state eighteen months. The specific policy governs this stored value.

Not available

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