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Bose QuietComfort Earbuds (2024) vs soundcore Liberty 4 Pro

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Product A: Bose

QuietComfort Earbuds (2024)

68 of 166 known

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B

Product B: soundcore

Liberty 4 Pro

86 of 166 known

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Only differences

ABose QuietComfort Earbuds (2024)

Bsoundcore Liberty 4 Pro

General

5 of 8 differ

Series

Not available

Not available

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

442318, 318L, 318R, 888507-01002Owner's manualassets.bosecreative.com/m/52889a0b3798f19/original/891405_OG_QCEARB24-HEADPHONEIN_EN.pdfRead 10 October 2026Printed page 4 and 6: case model 442318, left earbud 318L, right earbud 318R. SoundGuys lists 888507-0100 for the tested unit.

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.

18 September 20241Press releasebose.com/pressroom/bose-quietcomfort-earbuds-second-genRead 10 October 2026September 18, 2024 launch announcement.

Not available

Status

Available3Maker product pagebose.com/p/earbuds/bose-quietcomfort-headphones/QCEARB24-HEADPHONEIN.htmlRead 10 October 2026Bose.com US listing in stock on the access date.

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.

$1791Press releasebose.com/pressroom/bose-quietcomfort-earbuds-second-genRead 10 October 2026Press release: available starting today for $179. US price, sales tax not included.

$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.

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.

US, CA, GB, DE, FR4Maker product pagebose.de/p/earbuds/bose-quietcomfort-headphones/QCEARB24-HEADPHONEIN.htmlRead 10 October 2026Bose Germany store offers the product in EUR.5Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-headphones/QCEARB24-HEADPHONEIN.htmlRead 10 October 2026Bose UK store offers the product in GBP.6Maker product pagebose.fr/p/earbuds/bose-quietcomfort-headphones/QCEARB24-HEADPHONEIN.htmlRead 10 October 2026Bose France store offers the product in EUR.7Maker product pagebose.ca/en/p/earbuds/bose-quietcomfort-headphones/QCEARB24-HEADPHONEIN.htmlRead 10 October 2026Bose Canada store offers the product in CAD.

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 Smoke, Chilled Lilac, Dewdrop Mint, Ice Blue, Petal Pink, Rosewood Mauve3Maker product pagebose.com/p/earbuds/bose-quietcomfort-headphones/QCEARB24-HEADPHONEIN.htmlRead 10 October 2026Color swatches of this product on the page. Black, White Smoke and Chilled Lilac are the launch colors. The others were added later.

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

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

In-ear2Owner's manualassets.bosecreative.com/m/52889a0b3798f19/original/891405_OG_QCEARB24-HEADPHONEIN_EN.pdfRead 10 October 2026Printed page 14: the eartip rests at the opening of the ear canal and makes a seal.

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.

Stemless9Reviewsoundguys.com/bose-quietcomfort-earbuds-2024-review-124327Read 10 October 2026Review says the earbuds rest within the ear with no stem protruding past it.

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.

Either bud3Maker product pagebose.com/p/earbuds/bose-quietcomfort-headphones/QCEARB24-HEADPHONEIN.htmlRead 10 October 2026FAQ: you can use either the left or the right bud independently. Both buds are best for noise cancelling.

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

RGB lighting

Not available

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Drivers and sound

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

ABose QuietComfort Earbuds (2024)

Not available

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.

Not available

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.

Not available

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.

Not available

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.

Not available

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

Not available

Not available

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

Not available

Not available

Sensitivity reference

Not available

Not available

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

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

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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.

51Press releasebose.com/pressroom/bose-quietcomfort-earbuds-second-genRead 10 October 2026Press release: five-band adjustable EQ in the Bose QC Earbuds app.

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.

Not available

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

Yes2Owner's manualassets.bosecreative.com/m/52889a0b3798f19/original/891405_OG_QCEARB24-HEADPHONEIN_EN.pdfRead 10 October 2026Printed page 31: Quiet mode gives full noise cancellation. Aware mode gives full transparency. Off is also available.

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

Yes2Owner's manualassets.bosecreative.com/m/52889a0b3798f19/original/891405_OG_QCEARB24-HEADPHONEIN_EN.pdfRead 10 October 2026Printed page 31: Aware mode.

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.

Yes3Maker product pagebose.com/p/earbuds/bose-quietcomfort-headphones/QCEARB24-HEADPHONEIN.htmlRead 10 October 2026FAQ on calls: the microphone system adapts to the environment to isolate your voice from background noise and wind. This is call processing and not a physical wind design.

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

With ANC on, the response has more sub-bass than the SoundGuys headphone preference curve. It under-emphasizes the mids and over-emphasizes treble. With ANC off the bass emphasis is lower.10Measurementsoundguys.com/bose-quietcomfort-earbuds-2024-review-124327Read 10 October 2026Objective Measurements section. Firmware 1.1.2, Bose QC Earbuds app 2.0.2, default settings. No numeric deviation stored.

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

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

Not available

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

Not available

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

Not available

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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

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

Voices are clear in ideal conditions and usable in most environments. Some background noise stays audible in the simulated office test.10Measurementsoundguys.com/bose-quietcomfort-earbuds-2024-review-124327Read 10 October 2026Microphone demos in ideal, office, street, windy and reverberant conditions.

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

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Mic speech-to-noise ratio (measured)iMeasured by a reviewer, not claimed by the maker

Not available

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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

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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.

ABose QuietComfort Earbuds (2024)

ANC	Hours (h)
Yes	9

Source11Reviewtechradar.com/audio/earbuds-airpods/bose-quietcomfort-earbuds-2024-reviewRead 10 October 2026Reviewer testing: the buds hit nine hours with ANC on. Volume, codec and method are not stated. Earbuds only, one charge.

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.

9h=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

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Microphones and calls

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Voice microphones in both earbudsiPhysical call and beamforming microphones across the pair. Excludes case microphones and vibration sensors. Shared ANC microphones can also count here when used for calls.

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.

61Press releasebose.com/pressroom/bose-quietcomfort-earbuds-second-genRead 10 October 2026Press release: three microphones in each bud, six microphones working together for noise cancellation and voice pickup.

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

Not available

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.

Yes2Owner's manualassets.bosecreative.com/m/52889a0b3798f19/original/891405_OG_QCEARB24-HEADPHONEIN_EN.pdfRead 10 October 2026Printed page 26: Fast Mute can be assigned to a touch control in the Bose QCE app.

Not available

SidetoneiHear your own voice in calls

Yes2Owner's manualassets.bosecreative.com/m/52889a0b3798f19/original/891405_OG_QCEARB24-HEADPHONEIN_EN.pdfRead 10 October 2026Printed page 26: sidetones are managed in the Bose QCE app under Smart Calls.

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Connectivity

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Chip

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Connections

Bluetooth3Maker product pagebose.com/p/earbuds/bose-quietcomfort-headphones/QCEARB24-HEADPHONEIN.htmlRead 10 October 2026Wireless Connectivity row lists Bluetooth profiles only. The USB cable is for charging.

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

Bluetooth

5.31Press releasebose.com/pressroom/bose-quietcomfort-earbuds-second-genRead 10 October 2026Press release: advanced Bluetooth 5.3. SoundGuys and What Hi-Fi also list 5.3.

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

Bluetooth codecs

SBC, AAC8Reviewwhathifi.com/reviews/bose-quietcomfort-earbuds-2024Read 10 October 2026Tech specs and Features: SBC and AAC, no aptX. TechRadar also lists SBC and AAC. The maker does not name codecs.

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

Bluetooth profiles

A2DP, HFP, AVRCP3Maker product pagebose.com/p/earbuds/bose-quietcomfort-headphones/QCEARB24-HEADPHONEIN.htmlRead 10 October 2026Wireless Connectivity row: A2DP Bluetooth Audio Streaming, HFP Bluetooth, AVRCP Bluetooth.

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.

Yes2Owner's manualassets.bosecreative.com/m/52889a0b3798f19/original/891405_OG_QCEARB24-HEADPHONEIN_EN.pdfRead 10 October 2026Printed page 40: connected to up to two devices at a time. Audio plays from one device at a time.

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.

22Owner's manualassets.bosecreative.com/m/52889a0b3798f19/original/891405_OG_QCEARB24-HEADPHONEIN_EN.pdfRead 10 October 2026Printed page 41: two devices connected at once.

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.

52Owner's manualassets.bosecreative.com/m/52889a0b3798f19/original/891405_OG_QCEARB24-HEADPHONEIN_EN.pdfRead 10 October 2026Printed page 40: up to five devices in the earbuds device list.

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Automatic switching between own devicesiThrough the maker's account

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Fast pairing

Not available

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)

9m2Owner's manualassets.bosecreative.com/m/52889a0b3798f19/original/891405_OG_QCEARB24-HEADPHONEIN_EN.pdfRead 10 October 2026Printed page 41: range of 30 ft or 9 m.

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

Yes2Owner's manualassets.bosecreative.com/m/52889a0b3798f19/original/891405_OG_QCEARB24-HEADPHONEIN_EN.pdfRead 10 October 2026Printed page 29: low latency Bluetooth audio, enabled in the Bose QCE app.

Not available

Claimed latency

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Not available

Lowest claimed latency

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Compatibility

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

Android, iOS9Reviewsoundguys.com/bose-quietcomfort-earbuds-2024-review-124327Read 10 October 2026FAQ: pairs with a PC or any Bluetooth device, and the review used an iPhone. The maker lists apps for Android and iOS.

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.

Not available

Not available

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

ABose QuietComfort Earbuds (2024)

Feature	Needs
Voice control	The Bose QCE app must be running on the device, open or in the background.
Remote selfie	Set up in the Bose QCE app and the camera app open on the device.

Source2Owner's manualassets.bosecreative.com/m/52889a0b3798f19/original/891405_OG_QCEARB24-HEADPHONEIN_EN.pdfRead 10 October 2026Printed page 27: the Bose QCE app must be running, open or in the background, to use voice control.3Maker product pagebose.com/p/earbuds/bose-quietcomfort-headphones/QCEARB24-HEADPHONEIN.htmlRead 10 October 2026FAQ on remote selfie: set it up in the Bose QCE app, open the camera app, then say Hey Headphones Take Photo or use the assigned touch control.

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

12 of 13 differ

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

Not available

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.

No2Owner's manualassets.bosecreative.com/m/52889a0b3798f19/original/891405_OG_QCEARB24-HEADPHONEIN_EN.pdfRead 10 October 2026Printed page 3: the product contains non-replaceable batteries. Printed page 5: do not attempt to remove the lithium-ion battery.

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.

ABose QuietComfort Earbuds (2024)

Mode	Includes case recharges	Hours (h)
ANC on	No	8.5
ANC on	Yes	30

Source2Owner's manualassets.bosecreative.com/m/52889a0b3798f19/original/891405_OG_QCEARB24-HEADPHONEIN_EN.pdfRead 10 October 2026Printed page 37. Bose test June 2024: A2DP, IEC 60268-1 pink noise, 75 dB SPL, 3-band EQ at zero, Quiet mode (full noise cancellation). Up to 8.5 h per charge. Up to 2.5 full earbud recharges from the case for up to 30 h of listening, stored as the with-case total. The maker product page footnote says 9 h and 31.5 h instead. The guide is preferred. Codec not stated.

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.

8.5h=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.

8.5h=CalculatedFrom Claimed battery life

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.

Not available

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.

30h=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.

30h=CalculatedFrom Claimed battery life

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.

90min2Owner's manualassets.bosecreative.com/m/52889a0b3798f19/original/891405_OG_QCEARB24-HEADPHONEIN_EN.pdfRead 10 October 2026Printed page 37: earbuds up to 1.5 hours. Bose test: depleted earbuds in a fully charged 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.

Not available

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.

20min2Owner's manualassets.bosecreative.com/m/52889a0b3798f19/original/891405_OG_QCEARB24-HEADPHONEIN_EN.pdfRead 10 October 2026Printed page 37: a 20-minute charge.

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.

3h2Owner's manualassets.bosecreative.com/m/52889a0b3798f19/original/891405_OG_QCEARB24-HEADPHONEIN_EN.pdfRead 10 October 2026Printed page 37: up to 3 hours of earbud playback after 20 minutes. Quiet mode, 75 dB SPL, 3-band EQ at zero.

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.

300mAh2Owner's manualassets.bosecreative.com/m/52889a0b3798f19/original/891405_OG_QCEARB24-HEADPHONEIN_EN.pdfRead 10 October 2026Printed page 6 lists Output Capacity 300 mAh on the line with the charging case input rating and output current. The label gives no typical or rated qualifier. It is read as the case battery capacity.

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.

No2Owner's manualassets.bosecreative.com/m/52889a0b3798f19/original/891405_OG_QCEARB24-HEADPHONEIN_EN.pdfRead 10 October 2026Printed page 3 gives the same statement for the product, which includes the charging case.

Not available

Case charging port

USB-C2Owner's manualassets.bosecreative.com/m/52889a0b3798f19/original/891405_OG_QCEARB24-HEADPHONEIN_EN.pdfRead 10 October 2026Printed page 34: USB-C port on the back of the charging case.

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.

120min2Owner's manualassets.bosecreative.com/m/52889a0b3798f19/original/891405_OG_QCEARB24-HEADPHONEIN_EN.pdfRead 10 October 2026Printed page 37: charging case up to 2 hours. The charging method is not stated.

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

Yes2Owner's manualassets.bosecreative.com/m/52889a0b3798f19/original/891405_OG_QCEARB24-HEADPHONEIN_EN.pdfRead 10 October 2026Printed page 34: a compatible third-party wireless charger, not provided, charges the case.

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

4 of 5 differ

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

Touch, Voice commands2Owner's manualassets.bosecreative.com/m/52889a0b3798f19/original/891405_OG_QCEARB24-HEADPHONEIN_EN.pdfRead 10 October 2026Printed pages 24 to 28: touch surface on both earbuds and voice control with Hey headphones.

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.

Touch2Owner's manualassets.bosecreative.com/m/52889a0b3798f19/original/891405_OG_QCEARB24-HEADPHONEIN_EN.pdfRead 10 October 2026Printed page 25: tap then touch and hold the right earbud for up, the left for down.

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

Gestures

Tap: play or pause, answer a call, Double-tap: next track, end or decline a call, Triple-tap: previous track, Tap then touch and hold right earbud: volume up, Tap then touch and hold left earbud: volume down, Touch and hold for 1 second: change noise cancelling mode, Say Hey headphones: voice control2Owner's manualassets.bosecreative.com/m/52889a0b3798f19/original/891405_OG_QCEARB24-HEADPHONEIN_EN.pdfRead 10 October 2026Printed pages 24 to 28 and 31.

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

Yes2Owner's manualassets.bosecreative.com/m/52889a0b3798f19/original/891405_OG_QCEARB24-HEADPHONEIN_EN.pdfRead 10 October 2026Printed page 26: touch controls can be changed in the Bose QCE app.

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

Voice assistant

Hey headphones voice control, Phone voice assistant2Owner's manualassets.bosecreative.com/m/52889a0b3798f19/original/891405_OG_QCEARB24-HEADPHONEIN_EN.pdfRead 10 October 2026Printed page 27 and 28: Hey headphones voice control, and Assistant followed by a request to reach the phone assistant.

Not available

Sensors and health

2 of 9 differ

In-ear detection

Yes2Owner's manualassets.bosecreative.com/m/52889a0b3798f19/original/891405_OG_QCEARB24-HEADPHONEIN_EN.pdfRead 10 October 2026Printed page 30: in-ear detection with auto play or pause, auto answer and auto transparency.

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

5 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, L2Owner's manualassets.bosecreative.com/m/52889a0b3798f19/original/891405_OG_QCEARB24-HEADPHONEIN_EN.pdfRead 10 October 2026Printed pages 11 and 17: small, medium and large eartips are included. Medium comes attached.

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

Silicone8Reviewwhathifi.com/reviews/bose-quietcomfort-earbuds-2024Read 10 October 2026Design section: three sizes of silicone ear tips.

Not available

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

Stability bands2Owner's manualassets.bosecreative.com/m/52889a0b3798f19/original/891405_OG_QCEARB24-HEADPHONEIN_EN.pdfRead 10 October 2026Printed pages 16 to 19: stability bands in sizes 1, 2 and 3.

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

IPX42Owner's manualassets.bosecreative.com/m/52889a0b3798f19/original/891405_OG_QCEARB24-HEADPHONEIN_EN.pdfRead 10 October 2026Printed page 13: earbuds IPX4.

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

Bose QCE app2Owner's manualassets.bosecreative.com/m/52889a0b3798f19/original/891405_OG_QCEARB24-HEADPHONEIN_EN.pdfRead 10 October 2026Printed page 12: Bose QCE app.

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

App platforms

Android, iOS3Maker product pagebose.com/p/earbuds/bose-quietcomfort-headphones/QCEARB24-HEADPHONEIN.htmlRead 10 October 2026Page says the app is available on Google Play and the Apple Store.

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

User firmware updates

Yes2Owner's manualassets.bosecreative.com/m/52889a0b3798f19/original/891405_OG_QCEARB24-HEADPHONEIN_EN.pdfRead 10 October 2026Printed page 45: updates start from a message in the Bose QCE app.

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

4 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.

10.89g(0.4 oz)3Maker product pagebose.com/p/earbuds/bose-quietcomfort-headphones/QCEARB24-HEADPHONEIN.htmlRead 10 October 2026Bud Single 0.024 lb, converted with 453.59237 g per lb to 10.89 g. The pound figure is rounded. Entire Product System 0.152 lb matches the case plus two buds. TechRadar and What Hi-Fi list 8.5 g per bud and SoundGuys lists 6 g. The maker figure is kept.

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.

Width25.1Height29Depth21.1mm(1 × 1.1 × 0.8 in)4Maker product pagebose.de/p/earbuds/bose-quietcomfort-headphones/QCEARB24-HEADPHONEIN.htmlRead 10 October 2026Einzelner Earbud 2.9 cm H x 2.51 cm W x 2.11 cm D. Maker-labeled axes in cm, stored in mm. The US page gives the same size in inches.

Not available

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

47.17g(1.7 oz)3Maker product pagebose.com/p/earbuds/bose-quietcomfort-headphones/QCEARB24-HEADPHONEIN.htmlRead 10 October 2026Case 0.104 lb, converted to 47.17 g. Listed apart from the single bud, so read as the empty case. SoundGuys lists 45 g.

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.

Width70.1Height35.1Depth48.3mm(2.8 × 1.4 × 1.9 in)4Maker product pagebose.de/p/earbuds/bose-quietcomfort-headphones/QCEARB24-HEADPHONEIN.htmlRead 10 October 2026Etui 3.51 cm H x 7.01 cm W x 4.83 cm D. Maker-labeled axes.

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

1 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

A943182Owner's manualassets.bosecreative.com/m/52889a0b3798f19/original/891405_OG_QCEARB24-HEADPHONEIN_EN.pdfRead 10 October 2026Printed page 4: FCC ID A94318.

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

Not available

Not available

In the box

2 of 2 differ

In the box

2 Bose QuietComfort Earbuds, Charging case, USB-C cable (USB-A to USB-C), Fit Kit (Small, Medium and Large eartips and stability bands for each earbud), Safety sheet2Owner's manualassets.bosecreative.com/m/52889a0b3798f19/original/891405_OG_QCEARB24-HEADPHONEIN_EN.pdfRead 10 October 2026Printed page 11. The maker page lists the same contents and a safety sheet.

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

ABose QuietComfort Earbuds (2024)

Type	Length (m)	Count
USB Type-C to USB-A cable	0.3	1

Source5Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-headphones/QCEARB24-HEADPHONEIN.htmlRead 10 October 2026In the box: USB-C cable (USB-A to USB-C, 30 cm). The US page gives 12 inches.

Bsoundcore Liberty 4 Pro

Not available

Links

Not compared

Product page

www.bose.com/p/earbuds/bose-quietcomfort-headphones/QCEARB24-HEADPHONEIN.html3Maker product pagebose.com/p/earbuds/bose-quietcomfort-headphones/QCEARB24-HEADPHONEIN.htmlRead 10 October 2026Bose US product page for QuietComfort Earbuds.

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

Not available

Not available

Manual

assets.bosecreative.com/m/52889a0b3798f19/original/891405_OG_QCEARB24-HEADPHONEIN_EN.pdf2Owner's manualassets.bosecreative.com/m/52889a0b3798f19/original/891405_OG_QCEARB24-HEADPHONEIN_EN.pdfRead 10 October 2026Owner's guide 891405, English, copyright 2024. It covers Bose QuietComfort Earbuds with case model 442318.

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.

1year3Maker product pagebose.com/p/earbuds/bose-quietcomfort-headphones/QCEARB24-HEADPHONEIN.htmlRead 10 October 2026Page says Bose products come with a 1-year limited warranty from the date of purchase. US page.

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.