Earbuds / Compare

Bose QuietComfort Ultra Earbuds vs Bose QuietComfort Ultra Earbuds (2nd Gen)

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Product A: Bose

QuietComfort Ultra Earbuds

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Product B: Bose

QuietComfort Ultra Earbuds (2nd Gen)

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Only differences

ABose QuietComfort Ultra Earbuds

BBose QuietComfort Ultra Earbuds (2nd Gen)

General

4 of 8 differ

Series

QuietComfort1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026

QuietComfort1Maker product pagebose.com/p/earbuds/bose-quietcomfort-ultra-earbuds-2nd-gen/QCUE2-HEADPHONEIN.htmlRead 7 October 2026Exact product heading establishes the QuietComfort family.

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

441408, 408L, 408R, 882826-00105Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026Regulatory page 6: Case Model 441408, Right Earbud Model 408R, Left Earbud Model 408L. The 2nd Gen owner's guide lists the same earbud models with case model 444965.14Retailer pageconrad.be/nl/p/bose-quietcomfort-ultra-earbuds-in-ear-oordopjes-zwart-oplaadbox-waterafstotend-3334481.htmlRead 7 October 2026Adds exact Black retail manufacturer SKU 882826-0010 from product header. Original case regulatory model 441408 and earbud regulatory models 408L/408R remain separate. No second-generation 444965 case added.

444965, 408L, 408R, 896637-0010, 896637-00304Owner's manualassets.bosecreative.com/m/36b7ddda21b6edfd/original/898447_OG_QCUE2-HEADPHONEIN_EN.pdfRead 30 September 2026Manual regulatory section: charging case model 444965, earbud models 408L and 408R.14Retailer pageharveynorman.com.au/bose-quietcomfort-ultra-earbuds-2nd-gen-black.htmlRead 7 October 2026Exact second-generation Black product heading and manufacturer SKU 896637-0010. Regulatory case and earbud model numbers remain separately retained.15Retailer pageharveynorman.com.au/bose-quietcomfort-ultra-earbuds-2nd-gen-deep-plum.htmlRead 7 October 2026Exact second-generation Deep Plum product heading and manufacturer SKU 896637-0030. Regulatory case and earbud model numbers remain separately retained.

GTIN / EAN

001781784768114Retailer pageconrad.be/nl/p/bose-quietcomfort-ultra-earbuds-in-ear-oordopjes-zwart-oplaadbox-waterafstotend-3334481.htmlRead 7 October 2026Exact current Conrad Belgium Black Gen. 1 table identifies EAN 0017817847681 and manufacturer SKU 882826-0010. Independently opened actual public table. Netherlands route was shell-only in verification. Black original stock case scope, not every color or second generation.

017817861120, 01781786115114Retailer pageharveynorman.com.au/bose-quietcomfort-ultra-earbuds-2nd-gen-black.htmlRead 7 October 2026Specifications Barcode (GTIN): 017817861120, exact Black SKU 896637-0010. No barcode inferred for other colours.15Retailer pageharveynorman.com.au/bose-quietcomfort-ultra-earbuds-2nd-gen-deep-plum.htmlRead 7 October 2026Specifications Barcode (GTIN): 017817861151, exact Deep Plum SKU 896637-0030. No barcode inferred for other colours.

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

14 September 20236Press releasebose.com/pressroom/bose-announces-new-quietcomfort-ultra-headphones-and-earbudsRead 6 October 2026Dated September 14, 2023

12 June 20258Press releasebose.com/pressroom/bose-announces-the-quietcomfort-ultra-earbuds-2nd-genRead 7 October 2026Dated manufacturer announcement: June 12, 2025.

Status

Available1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026Product heading, colour swatches, £299.95 price and Add to Basket. The German and French pages also list it at 299,95 €. New stock on bose.com US is gone and only refurbished units remain there.

Available1Maker product pagebose.com/p/earbuds/bose-quietcomfort-ultra-earbuds-2nd-gen/QCUE2-HEADPHONEIN.htmlRead 7 October 2026Selectable color, USD price and Add to Cart establish available status.

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

Bose QuietComfort Earbuds II21Reviewsoundguys.com/bose-quietcomfort-ultra-earphones-vs-bose-quietcomfort-earphones-ii-102644Read 23 October 2026SoundGuys calls the QuietComfort Ultra Earbuds a direct successor to the QuietComfort Earbuds II.

Bose QuietComfort Ultra Earbuds8Press releasebose.com/pressroom/bose-announces-the-quietcomfort-ultra-earbuds-2nd-genRead 7 October 2026Like its predecessor, the QC Ultra Earbuds feature Bose's proprietary CustomTune sound calibration technology.

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.

Bose QuietComfort Ultra Earbuds (2nd Gen)7Press releasebose.com/pressroom/bose-announces-the-quietcomfort-ultra-earbuds-2nd-genRead 6 October 2026The 2nd Gen release says: Like its predecessor, the QC Ultra Earbuds feature Bose's proprietary CustomTune sound calibration technology.

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.

$2994Maker product pagebose.com/p/refurbished/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN-FR.htmlRead 6 October 2026Bose refurbished page: Original Price is $299.00. TechRadar and What Hi-Fi also give $299 at launch.8Press articletheverge.com/2023/9/14/23873671/bose-quietcomfort-ultra-headphones-earbuds-announcedRead 6 October 2026$299, available early October. Preorders opened September 14, 2023.

$2998Press releasebose.com/pressroom/bose-announces-the-quietcomfort-ultra-earbuds-2nd-genRead 7 October 2026Opening availability paragraph: $299 original launch price.

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, GB, DE, FR1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026GB from this page. DE and FR from bose.de and bose.fr pages of the same product. US from the bose.com refurbished page and the launch coverage.2Maker product pagebose.de/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 6 October 2026Listed at 299,95 €3Maker product pagebose.fr/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 6 October 20264Maker product pagebose.com/p/refurbished/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN-FR.htmlRead 6 October 2026

US, GB, DE, AU1Maker product pagebose.com/p/earbuds/bose-quietcomfort-ultra-earbuds-2nd-gen/QCUE2-HEADPHONEIN.htmlRead 7 October 20262Maker product pagebose.de/p/earbuds/bose-quietcomfort-ultra-earbuds-2nd-gen/QCUE2-HEADPHONEIN.htmlRead 30 September 20263Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds-2nd-gen/QCUE2-HEADPHONEIN.htmlRead 30 September 2026Listed at £299.9514Retailer pageharveynorman.com.au/bose-quietcomfort-ultra-earbuds-2nd-gen-black.htmlRead 7 October 2026Exact AU retailer offers this SKU with an AUD price and Add to cart.15Retailer pageharveynorman.com.au/bose-quietcomfort-ultra-earbuds-2nd-gen-deep-plum.htmlRead 7 October 2026Exact AU retailer offers this SKU with an AUD price and Add to cart.

ColoursiThe maker's own colour names

Black, White Smoke, Lunar Blue, Moonstone Blue1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026Colour swatches on the UK page: Lunar Blue (SKU QCUE-HEADPHONEIN-LBLU-WW) and White Smoke selectable, Moonstone Blue shown as out of stock4Maker product pagebose.com/p/refurbished/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN-FR.htmlRead 6 October 2026Refurbished colour swatches: Black (SKU QCUE-HEADPHONEIN-BLK-FR-WW), Lunar Blue, Moonstone Blue, White Smoke8Press articletheverge.com/2023/9/14/23873671/bose-quietcomfort-ultra-headphones-earbuds-announcedRead 6 October 2026The QC Ultra Earbuds come in black or white finishes9Reviewtomsguide.com/reviews/bose-quietcomfort-ultra-earbudsRead 6 October 2026Two color variations at launch: black and white smoke

Black, White Smoke, Deep Plum, Midnight Violet, Desert Gold1Maker product pagebose.com/p/earbuds/bose-quietcomfort-ultra-earbuds-2nd-gen/QCUE2-HEADPHONEIN.htmlRead 7 October 2026Five colour swatches on the US page, Deep Plum selected

Segment

Music1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026Maker explicitly positions these as music-listening in-ear earbuds with immersive audio, musical listening modes and customizable sound. Gaming codec capability does not make them a dedicated gaming edition.

Not available

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-ear1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026Technical Specifications: Headphone Fit In-ear

In-ear1Maker product pagebose.com/p/earbuds/bose-quietcomfort-ultra-earbuds-2nd-gen/QCUE2-HEADPHONEIN.htmlRead 7 October 2026Technical Specifications: Headphone Fit In-ear.

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

Stem10Reviewtechradar.com/audio/headphones/earbuds-airpods/bose-quietcomfort-ultra-earbuds-reviewRead 6 October 2026Describes the outer-facing surface of the stems and earbuds with tails

Stem9Reviewtechradar.com/audio/earbuds-airpods/bose-quietcomfort-ultra-earbuds-2nd-gen-reviewRead 30 September 2026Features section explicitly describes swiping/stroking the stem to change volume. Short external control stalk.

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

Either bud1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026FAQ: the Single-bud Use feature lets you take calls and listen to music with one bud and switches automatically between the earbuds

Either bud1Maker product pagebose.com/p/earbuds/bose-quietcomfort-ultra-earbuds-2nd-gen/QCUE2-HEADPHONEIN.htmlRead 7 October 2026Either the left or right earbud can be used alone

RGB lighting

Not available

Not available

Drivers and sound

2 of 17 differ

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

ABose QuietComfort Ultra Earbuds

Not available

BBose QuietComfort Ultra Earbuds (2nd Gen)

Type	Count per earbud
Dynamic	1

Source10Reviewgalaxus.nl/en/page/bose-quietcomfort-ultra-earbuds-2nd-gen-what-bose-improves-and-what-it-doesnt-39335Read 7 October 2026Exact second-generation hands-on review states a conventional dynamic driver per side. One audio transducer per bud. Diameter is omitted because this source gives 9.3 mm while the TechRadar exact review gives 10 mm and Bose publishes neither. No acoustic-role label inferred.

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

Dynamic18Reviewwhathifi.com/headphones/wireless-earbuds/bose-quietcomfort-ultra-earbuds-2nd-genRead 7 October 2026What Hi-Fi exact Gen 2 review Sound paragraph explicitly reports Bose confirmed the driver is the same between new and old Ultra Earbuds. This manufacturer hardware bridge supports first-generation driver technology using the reliable exact Gen2 dynamic-driver table. No tuning, measurements, new case or disputed diameter transferred. Main approved the unchanged-component chain.19Reviewtechradar.com/audio/earbuds-airpods/bose-quietcomfort-ultra-earbuds-2nd-gen-reviewRead 7 October 2026Exact second-generation review Specifications explicitly states dynamic driver technology. What Hi-Fi separately reports Bose confirmed the same driver in Gen 1 and Gen 2, establishing applicability to retained original 2023 earbuds. Only technology transferred under this explicit manufacturer bridge. Its 9.3 mm versus 10 mm inconsistent diameter statements are omitted, along with all successor measurements and case features.

Dynamic10Reviewgalaxus.nl/en/page/bose-quietcomfort-ultra-earbuds-2nd-gen-what-bose-improves-and-what-it-doesnt-39335Read 7 October 2026Review explicitly states conventional dynamic driver. Manufacturer does not publish the transducer technology.

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

Not available

Not available

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

1=CalculatedFrom Drivers per bud

Diaphragm material

Not available

Not available

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

Not available

Not available

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

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

Yes1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026CustomTune technology paragraph explicitly analyzes ear shape and calibrates audio to each ear canal. This is acoustic ear-scan personalization, not a hearing assessment or medical hearing-aid claim.

Yes1Maker product pagebose.com/p/earbuds/bose-quietcomfort-ultra-earbuds-2nd-gen/QCUE2-HEADPHONEIN.htmlRead 7 October 2026CustomTune FAQ describes an acoustic calibration tone at each power-on while worn. Reflected sound measures the unique ear and ear canal shape and adjusts playback. An ear-acoustic scan, not a hearing assessment.

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.

31Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026Bose app section: adjust the levels of bass, mid-range and treble. The battery footnote also names a 3-band EQ.5Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026Battery footnotes use a 3-band EQ set to zero

34Owner's manualassets.bosecreative.com/m/36b7ddda21b6edfd/original/898447_OG_QCUE2-HEADPHONEIN_EN.pdfRead 30 September 2026Battery test footnotes use a 3-band EQ set to zero

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

Bass Boost, Bass Reducer, Treble Boost, Treble Reducer12Reviewsoundguys.com/bose-quietcomfort-ultra-earbuds-review-101362Read 7 October 2026Original 2023 review What do the different EQ modes sound like section explicitly names these four stock presets. Its Our Custom EQ attempt is reviewer-created and excluded.

Bass Boost, Bass Reducer, Treble Boost, Treble Reducer11Reviewsoundguys.com/what-do-the-bose-quietcomfort-ultra-earbuds-2nd-gens-eq-presets-sound-like-140870Read 7 October 2026Exact second-generation EQ comparison names these four Bose app sound presets as section headings. Default and Custom poll choices are not extra named presets. Listening modes are separate.

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.

Bose Immersive Audio1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026Bose Immersive Audio works with any source and content

Bose Immersive Audio1Maker product pagebose.com/p/earbuds/bose-quietcomfort-ultra-earbuds-2nd-gen/QCUE2-HEADPHONEIN.htmlRead 7 October 2026Exact-model FAQ listening modes include Immersion (full noise cancellation with Immersive Audio).

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

Yes5Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026Page 31: Motion keeps the two virtual speakers following your head. Still keeps them in place when you move your head.6Press releasebose.com/pressroom/bose-announces-new-quietcomfort-ultra-headphones-and-earbudsRead 6 October 2026Immersive Audio uses an onboard IMU. Still and Motion options.

Yes4Owner's manualassets.bosecreative.com/m/36b7ddda21b6edfd/original/898447_OG_QCUE2-HEADPHONEIN_EN.pdfRead 30 September 2026Immersive Audio Motion and Still settings: Still keeps the virtual speakers in place when you move your head

Noise cancelling

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Active noise cancelling

Yes1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026

Yes1Maker product pagebose.com/p/earbuds/bose-quietcomfort-ultra-earbuds-2nd-gen/QCUE2-HEADPHONEIN.htmlRead 7 October 2026Exact-model FAQ listening modes include Quiet (full noise cancellation).

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

Hybrid1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026FAQ: active noise cancellation uses microphones both inside and outside the earbuds

Hybrid1Maker product pagebose.com/p/earbuds/bose-quietcomfort-ultra-earbuds-2nd-gen/QCUE2-HEADPHONEIN.htmlRead 7 October 2026ANC FAQ: cancellation uses microphones both inside and outside the earbuds.

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 pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026CustomTune analyses your ears and automatically adapts the sound and active noise cancellation to their shape

Yes1Maker product pagebose.com/p/earbuds/bose-quietcomfort-ultra-earbuds-2nd-gen/QCUE2-HEADPHONEIN.htmlRead 7 October 2026FAQ: ActiveSense adapts cancellation in Aware Mode. CustomTune calibrates audio and cancellation at power-on.

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

Not available

Not available

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

Not available

Not available

Transparency mode

Yes1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026

Yes1Maker product pagebose.com/p/earbuds/bose-quietcomfort-ultra-earbuds-2nd-gen/QCUE2-HEADPHONEIN.htmlRead 7 October 2026Exact-model FAQ listening modes include Aware (full audio transparency).

Adjustable transparency

Yes1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026Modes for any musical moment says full Aware transparency can be blended with Quiet through Custom Mode in Bose app. FAQ also permits intermediate sound levels between Quiet and Aware. No ANC step count inferred.

Yes10Reviewgalaxus.nl/en/page/bose-quietcomfort-ultra-earbuds-2nd-gen-what-bose-improves-and-what-it-doesnt-39335Read 7 October 2026Review explicitly describes adjusting ANC and transparency levels in the Bose app. Not an automatically selected activity profile.

Automatic ANC and transparency blendiAutomatically blends active cancellation with ambient sound. Automatic activity-based switching between separate modes alone does not qualify.

Yes5Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026Page 33: Aware mode with ActiveSense automatically increases noise cancellation when sudden or loud noises occur while you keep hearing your surroundings

Yes4Owner's manualassets.bosecreative.com/m/36b7ddda21b6edfd/original/898447_OG_QCUE2-HEADPHONEIN_EN.pdfRead 30 September 2026Aware Mode/ActiveSense automatically adjusts cancellation to loud external noise while allowing surroundings.

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.

Yes1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026Call processing, not an ANC mode: FAQ says the adaptive microphone system isolates your voice from background noise and wind6Press releasebose.com/pressroom/bose-announces-new-quietcomfort-ultra-headphones-and-earbudsRead 6 October 2026Dynamic microphone mixing picks the microphone on each bud with the least wind noise and selects noise filters for calls

Yes1Maker product pagebose.com/p/earbuds/bose-quietcomfort-ultra-earbuds-2nd-gen/QCUE2-HEADPHONEIN.htmlRead 7 October 2026SpeechClarity FAQ explicitly filters surroundings and wind for phone and video calls. AI voice-pickup processing, not a dedicated user-selectable ANC wind mode.

Measured

5 of 23 differ

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

Warm sound signature13Measurementrtings.com/headphones/reviews/bose/quietcomfort-ultra-earbuds-truly-wirelessRead 6 October 2026Sound Signature: Warm

Warm sound signature7Measurementrtings.com/headphones/reviews/bose/quietcomfort-ultra-earbuds-2nd-genRead 7 October 2026Sound signature: Warm

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.

4dB13Measurementrtings.com/headphones/reviews/bose/quietcomfort-ultra-earbuds-truly-wirelessRead 6 October 2026Bass Amount: Emphasized (4 dB), test bench 2.3

5dB7Measurementrtings.com/headphones/reviews/bose/quietcomfort-ultra-earbuds-2nd-genRead 7 October 2026Very Emphasized (5 dB), test bench 2.3

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.

0dB13Measurementrtings.com/headphones/reviews/bose/quietcomfort-ultra-earbuds-truly-wirelessRead 6 October 2026Treble Amount: Balanced (0 dB), test bench 2.3

0dB7Measurementrtings.com/headphones/reviews/bose/quietcomfort-ultra-earbuds-2nd-genRead 7 October 2026Balanced (0 dB), test bench 2.3

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

In controlled phone-call tests, transmitted speech retained substantial simulated cabin noise. Simulated restaurant noise was only partly suppressed.16Measurementtechadvisor.com/article/2117356/bose-quietcomfort-ultra-headphones-review-2023.htmlRead 7 October 2026October 26, 2023 comparison explicitly includes original QC Ultra Earbuds alongside two over-ear models. Reviewer called a home answering machine from smartphone while playing cabin noise at 85 dB on Sonos Era 100, then restaurant noise at 75 dB. Earbud-specific result is retained, not over-ear result. Phone/codec, firmware, weighting and mic distance unstated. Qualitative call finding, no scalar noise ratio inferred.

Speech sounds clean and natural. Higher voices can lack airiness. Background-noise rejection is adequate but sustained loud sounds such as an arriving subway remain difficult.7Measurementrtings.com/headphones/reviews/bose/quietcomfort-ultra-earbuds-2nd-genRead 7 October 2026Public Microphone usage assessment, test bench 2.3 on Deep Plum second-generation unit. Qualitative recording and noise-handling results. Exact firmware and microphone test settings are not stated in the free summary. Numeric frequency extension and noise-handling results remain member-locked and are not imported.

Mic low-frequency extension (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Mic high-frequency extension (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

Latency in game mode (measured)iThe best case the buds can reach. Measured by a reviewer

Not available

Not available

Battery life (measured)iReviewer-tested operation from one full charge of the earbuds. Excludes case recharges. ANC, codec, connection, volume and tested edition belong in the row or source note.

ABose QuietComfort Ultra Earbuds

Hours (h)
6.18

Source12Reviewsoundguys.com/bose-quietcomfort-ultra-earbuds-review-101362Read 7 October 20266 h 11 min (6.18 h) in the SoundGuys standardized battery test. Firmware 7.7.4, Bose Music app 8.0.6. ANC state not stated on the page.

BBose QuietComfort Ultra Earbuds (2nd Gen)

ANC	Hours (h)
Yes	5.57
Not available	6.5

Source5Reviewsoundguys.com/bose-quietcomfort-ultra-earbuds-2nd-gen-review-140812Read 30 September 20265.57 h row: 5 h 34 min (334 min), ANC on, music peaking at 75 dB, firmware 4.9.146Measurementsoundguys.com/how-good-is-the-bose-quietcomfort-ultra-earbuds-2nd-gens-battery-life-141004Read 30 September 20265 h 34 min with ANC enabled, sample track peaking at 75 dB7Measurementrtings.com/headphones/reviews/bose/quietcomfort-ultra-earbuds-2nd-genRead 7 October 20266.5 h row: 6.5 hours of continuous playback in the usage summary. ANC state not stated in the free text. Full measurements are members only and were not read

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

6.18h=CalculatedFrom Battery life (measured)

6.5h=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

7.09g(0.3 oz)16Measurementtechgearlab.com/reviews/audio/wireless-earbuds/bose-quietcomfort-ultra-gen-2-earbudsRead 7 October 2026Exact Gen 2 review Specifications: Measured Weight 7.09 g (0.25 oz). The public table tooltip explicitly defines wireless earbuds as the weight of a single earbud. Ear-tip size and weighing instrument are not specified. This reviewer mass is separate from conflicting maker nominal masses.

Microphones and calls

3 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.

817Reviewon-mag.fr/index.php/topaudio/tests-auditions/25606-test-bose-quietcomfort-ultra-earbuds-des-ecouteurs-true-wireless-excellents-partout-ou-presqueRead 7 October 2026Same exact original 2023 Specifications explicitly says four microphones per side in calls. Eight across both earbuds. Source explicitly names call role, rather than deriving role from existing eight-total count. ANC-only count remains unproved. No second-generation speech vibration sensor inherited.

88Press releasebose.com/pressroom/bose-announces-the-quietcomfort-ultra-earbuds-2nd-genRead 7 October 2026Launch voice-pickup paragraph explicitly combines the eight earbud microphones with AI noise suppression, dynamic mixing and adaptive filters for clearer calls. Pair total, including shared ANC microphones used for voice. Excludes the separate vibration sensors and case hardware.

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.

810Reviewtechradar.com/audio/headphones/earbuds-airpods/bose-quietcomfort-ultra-earbuds-reviewRead 6 October 2026A four-mics-per-bud array, so eight across the pair. The 2nd Gen press release also states eight microphones.

88Press releasebose.com/pressroom/bose-announces-the-quietcomfort-ultra-earbuds-2nd-genRead 7 October 2026Voice pickup section: eight microphones in the earbuds.

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

Yes5Reviewsoundguys.com/bose-quietcomfort-ultra-earbuds-2nd-gen-review-140812Read 30 September 2026Bone conduction pickup enabled by the August 2025 firmware update

Mic noise reduction

DSP6Press releasebose.com/pressroom/bose-announces-new-quietcomfort-ultra-headphones-and-earbudsRead 6 October 2026Dynamic microphone mixing and adaptive filters select from a variety of noise filters in real time. No AI processing is named. The 2nd Gen added AI-powered noise suppression.

AI1Maker product pagebose.com/p/earbuds/bose-quietcomfort-ultra-earbuds-2nd-gen/QCUE2-HEADPHONEIN.htmlRead 7 October 2026AI-based background noise suppression (SpeechClarity)

Call audio bandwidthiHighest supported call-audio bandwidth. Compatible phone, operating system, call app or network requirements belong in the source note.

Not available

Not available

Mic mute controliAn earbud control that mutes the microphone during calls. Includes touch or pressure gestures and physical buttons. Phone/app-only controls do not qualify.

Not available

Yes4Owner's manualassets.bosecreative.com/m/36b7ddda21b6edfd/original/898447_OG_QCUE2-HEADPHONEIN_EN.pdfRead 30 September 2026Tap an earbud to mute or unmute during a call

SidetoneiHear your own voice in calls

Yes1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026FAQ: self-voice, adjustable in the Bose app, lets you hear yourself during calls5Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026Page 30: self voice is activated during calls and is adjustable in the Bose app

Yes4Owner's manualassets.bosecreative.com/m/36b7ddda21b6edfd/original/898447_OG_QCUE2-HEADPHONEIN_EN.pdfRead 30 September 2026Self voice during calls, adjustable in the app

Connectivity

3 of 18 differ

Chip

Qualcomm S517Reviewon-mag.fr/index.php/topaudio/tests-auditions/25606-test-bose-quietcomfort-ultra-earbuds-des-ecouteurs-true-wireless-excellents-partout-ou-presqueRead 7 October 2026November 11, 2023 exact original-earbud review Specifications explicitly names Puce Bluetooth 5.3 Qualcomm S5. Independently read full original article via normal public HTTP 200 during verification. No S5 generation or exact QCC silicon part number inferred from successor/predecessor.

Not available

Connections

Bluetooth1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026

Bluetooth1Maker product pagebose.com/p/earbuds/bose-quietcomfort-ultra-earbuds-2nd-gen/QCUE2-HEADPHONEIN.htmlRead 7 October 2026Technical Specifications list Bluetooth 5.3 and Bluetooth audio profiles.

Bluetooth

5.34Maker product pagebose.com/p/refurbished/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN-FR.htmlRead 6 October 2026Technical Specifications: Bluetooth Version 5.36Press releasebose.com/pressroom/bose-announces-new-quietcomfort-ultra-headphones-and-earbudsRead 6 October 2026Both QC Ultra products are Bluetooth 5.3 compatible

5.31Maker product pagebose.com/p/earbuds/bose-quietcomfort-ultra-earbuds-2nd-gen/QCUE2-HEADPHONEIN.htmlRead 7 October 2026Technical Specifications: Bluetooth 5.3.

Bluetooth codecs

SBC, AAC, aptX Adaptive5Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026Page 47: aptX Adaptive with Snapdragon Sound-certified devices6Press releasebose.com/pressroom/bose-announces-new-quietcomfort-ultra-headphones-and-earbudsRead 6 October 202612Reviewsoundguys.com/bose-quietcomfort-ultra-earbuds-review-101362Read 7 October 2026Bluetooth 5.3 over SBC, AAC or aptX Adaptive

SBC, AAC, aptX Adaptive4Owner's manualassets.bosecreative.com/m/36b7ddda21b6edfd/original/898447_OG_QCUE2-HEADPHONEIN_EN.pdfRead 30 September 2026aptX Adaptive with Snapdragon Sound devices5Reviewsoundguys.com/bose-quietcomfort-ultra-earbuds-2nd-gen-review-140812Read 30 September 2026SBC, AAC and aptX Adaptive family

Bluetooth profiles

A2DP, HFP, AVRCP1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026Technical Specifications: Wireless Connectivity A2DP Bluetooth Audio Streaming, HFP Bluetooth, Snapdragon Sound15Maker product pagesupport.bose.com/article/quietcomfort-ultra-earbuds-specificationsRead 7 October 2026Official original Sold from 2023 support Specifications lists Audio/Video Remote Control Profile AVRCP, alongside A2DP/HFP. Existing A2DP/HFP retained. Listed Bluetooth Low Energy BLE is a radio/control transport, so it is not used to assert LE Audio content support or stored as an audio profile.

A2DP, HFP1Maker product pagebose.com/p/earbuds/bose-quietcomfort-ultra-earbuds-2nd-gen/QCUE2-HEADPHONEIN.htmlRead 7 October 2026Technical Specifications: A2DP Bluetooth Audio Streaming and HFP Bluetooth.

LE Audio

Not available

No12Maker product pagesupport.bose.com/article/quietcomfort-ultra-earbuds-gen-2-specificationsRead 7 October 2026Bluetooth footnote explicitly says the earbuds do not receive content over LE Audio. BLE is used for app communication and control. Does not inherit the later over-ear headphones LE Audio update.

Auracast

Not available

Not available

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

Yes1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026FAQ: connects to two source devices at the same time. Added by a software update in July 2024. Not available at launch.5Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026Page 42: up to two mobile devices actively connected at a time (multi-point connection). Audio plays from one device at a time.

Yes4Owner's manualassets.bosecreative.com/m/36b7ddda21b6edfd/original/898447_OG_QCUE2-HEADPHONEIN_EN.pdfRead 30 September 2026Bluetooth connections: actively connected up to two devices at a time, explicitly multi-point. (PDF page 44)

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

21Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026FAQ: two source devices at the same time5Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026

24Owner's manualassets.bosecreative.com/m/36b7ddda21b6edfd/original/898447_OG_QCUE2-HEADPHONEIN_EN.pdfRead 30 September 2026Bluetooth connections: actively connected up to two devices at a time, explicitly multi-point. (PDF page 44)

Multipoint with LDACiMany buds turn multipoint off on LDAC

Not available

Not available

Paired devices rememberediMaximum remembered Bluetooth source pairings. This is separate from simultaneous multipoint connections.

65Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026Page 42: up to six devices in the earbud device list

64Owner's manualassets.bosecreative.com/m/36b7ddda21b6edfd/original/898447_OG_QCUE2-HEADPHONEIN_EN.pdfRead 30 September 2026Up to six devices in the device list, two active at once

Automatic switching between own devicesiThrough the maker's account

Not available

Not available

Fast pairing

Google Fast Pair1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026FAQ: Google Fast Pair for Android OS 6.0 or newer5Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026Page 46: Fast Pair for Android devices6Press releasebose.com/pressroom/bose-announces-new-quietcomfort-ultra-headphones-and-earbudsRead 6 October 2026

Google Fast Pair4Owner's manualassets.bosecreative.com/m/36b7ddda21b6edfd/original/898447_OG_QCUE2-HEADPHONEIN_EN.pdfRead 30 September 2026Android devices: Connect using Fast Pair via Google Play Services. (PDF page 48)

Audio sharingiShare one stream with a second pair

Not available

Not available

Wireless range (claimed)

9m4Maker product pagebose.com/p/refurbished/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN-FR.htmlRead 6 October 2026Technical Specifications: Bluetooth Range 30'5Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026Page 43: devices must be within range (30 ft or 9 m)

9m2Maker product pagebose.de/p/earbuds/bose-quietcomfort-ultra-earbuds-2nd-gen/QCUE2-HEADPHONEIN.htmlRead 30 September 2026Bluetooth-Reichweite 9 m4Owner's manualassets.bosecreative.com/m/36b7ddda21b6edfd/original/898447_OG_QCUE2-HEADPHONEIN_EN.pdfRead 30 September 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

Not available

Yes12Maker product pagesupport.bose.com/article/quietcomfort-ultra-earbuds-gen-2-specificationsRead 7 October 2026aptX Adaptive footnote explicitly names low latency mode, also called Gaming Mode. Maker launch release restricts automatic low-latency aptX Adaptive processing to Snapdragon Sound-certified source devices. It adapts to wireless conditions. No fixed latency or exposed app toggle is claimed.

Claimed latency

Not available

Not available

Lowest claimed latency

Not available

Not available

Compatibility

1 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, iOS1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026Bose app available on Google Play and the Apple App Store

Android, iOS1Maker product pagebose.com/p/earbuds/bose-quietcomfort-ultra-earbuds-2nd-gen/QCUE2-HEADPHONEIN.htmlRead 7 October 2026Support page for the exact product: Bose app available on Google Play and the Apple Store, so Android and iOS are supported.

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 Ultra Earbuds

Feature	Needs
Fast Pair	Android device running Android 6.0 or higher
Snapdragon Sound	Snapdragon Sound-certified device, such as a compatible Android mobile device
SimpleSync	Bose Smart Speaker or Bose Smart Soundbar
Multipoint	Earbud software update from July 2024 through the Bose app

Source1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026Multipoint row: FAQ says multipoint is a July 2024 update received through the Bose app. Fast Pair row also needs location services and Bluetooth on.5Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026Fast Pair needs Android 6.0 or higher (page 46). Snapdragon Sound needs a certified device (page 47). SimpleSync works with Bose Smart Speakers and Soundbars (page 48).

BBose QuietComfort Ultra Earbuds (2nd Gen)

Feature	Needs
Fast Pair	Android device running Android 6.0 or higher
Snapdragon Sound	Snapdragon Sound-certified device, such as a compatible Android device
SimpleSync	Bose Smart Speaker or Bose Smart Soundbar

Source4Owner's manualassets.bosecreative.com/m/36b7ddda21b6edfd/original/898447_OG_QCUE2-HEADPHONEIN_EN.pdfRead 30 September 2026Fast Pair Android 6.0 or higher. (PDF page 48)

Official licence

Not available

Not available

Battery and charging

2 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

Not available

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.

ABose QuietComfort Ultra Earbuds

Mode	Spatial audio	Includes case recharges	Hours (h)
ANC on	No	No	6
ANC on	Yes	No	4

Source20Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 8 October 2026The exact manufacturer guide on printed page 39 gives up to 6 hours with Bose Immersive Audio Off and up to 4 hours with it On after a full charge. Both music rows use Quiet Mode with full active noise cancellation, Bluetooth A2DP streaming at 75 dB SPL playback loudness, and all three equalizer bands at zero. Manufacturer testing used production-representative units in June 2023 with a variety of music tracks. The Bluetooth codec and Immersive Still/Motion setting are unspecified, so neither is inferred. These are manufacturer claims, not independent reviewer measurements. Both rows are the earbuds alone from one charge. The case provides three additional full recharge cycles, but a total hour figure is not calculated.

BBose QuietComfort Ultra Earbuds (2nd Gen)

Mode	Spatial audio	Includes case recharges	Hours (h)
ANC on	No	No	6
ANC on	Yes	No	4
Call	Not available	No	4

Source17Owner's manualassets.bosecreative.com/m/36b7ddda21b6edfd/original/898447_OG_QCUE2-HEADPHONEIN_EN.pdfRead 8 October 2026The exact manufacturer guide on printed page 41 gives up to 6 hours with Bose Immersive Audio Off and up to 4 hours with it On after a full charge. Both music rows use Quiet Mode with full active noise cancellation, Bluetooth A2DP streaming at 75 dB SPL playback loudness, and all three equalizer bands at zero. Manufacturer testing used production-representative units in January 2025 with IEC 60268-1 pink noise. The Bluetooth codec and Immersive Still/Motion setting are unspecified, so neither is inferred. These are manufacturer claims, not independent reviewer measurements. Both music rows are the earbuds alone from one charge. The case provides three additional full recharge cycles, but a total hour figure is not calculated. The call row has its own source below.18Maker product pagebose.com/p/earbuds/bose-quietcomfort-ultra-earbuds-2nd-gen/QCUE2-HEADPHONEIN.htmlRead 8 October 2026The exact second-generation maker technical specification states Maximum Talk Time 4 hours. This supports only the unchanged call row. Its ANC, codec, volume, and spatial-processing test settings are not inferred from music-playback conditions.

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.

6h=CalculatedFrom Claimed battery life

6h=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.

6h=CalculatedFrom Claimed battery life

6h=CalculatedFrom Claimed battery life

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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.

120min1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026Technical Specifications: Battery Charge Time 2 hours5Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026Page 39 charging time table: Earbuds up to 2 hours

120min1Maker product pagebose.com/p/earbuds/bose-quietcomfort-ultra-earbuds-2nd-gen/QCUE2-HEADPHONEIN.htmlRead 7 October 20264Owner's manualassets.bosecreative.com/m/36b7ddda21b6edfd/original/898447_OG_QCUE2-HEADPHONEIN_EN.pdfRead 30 September 2026Earbuds up to 2 hours

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

Not available

Not available

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

20min5Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026Page 39: a 20-minute charge in the closed case powers the earbuds up to 2 hours

20min1Maker product pagebose.com/p/earbuds/bose-quietcomfort-ultra-earbuds-2nd-gen/QCUE2-HEADPHONEIN.htmlRead 7 October 20264Owner's manualassets.bosecreative.com/m/36b7ddda21b6edfd/original/898447_OG_QCUE2-HEADPHONEIN_EN.pdfRead 30 September 202620-minute charge gives up to 2 hours

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.

2h5Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026Earbuds-only playback. Quiet Mode, Immersive Audio off, 75 dB SPL, 3-band EQ zero.

2h4Owner's manualassets.bosecreative.com/m/36b7ddda21b6edfd/original/898447_OG_QCUE2-HEADPHONEIN_EN.pdfRead 30 September 2026Charging Time notes: 20 minute charge powers earbuds up to 2 h. Full ANC, Quiet Mode, Immersive Audio off, 75 dB SPL footnote. (PDF page 41)

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.

Not available

Not available

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 pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026Technical Specifications: Charging Interface(s) USB-C PORT

USB-C1Maker product pagebose.com/p/earbuds/bose-quietcomfort-ultra-earbuds-2nd-gen/QCUE2-HEADPHONEIN.htmlRead 7 October 2026Technical specifications: Charging Interface USB C 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.

180min5Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026Page 39 charging time table: Charging case up to 3 hours

180min4Owner's manualassets.bosecreative.com/m/36b7ddda21b6edfd/original/898447_OG_QCUE2-HEADPHONEIN_EN.pdfRead 30 September 2026Charging case up to 3 hours

Wireless charging

No6Press releasebose.com/pressroom/bose-announces-new-quietcomfort-ultra-headphones-and-earbudsRead 6 October 2026The case has no built-in wireless charging. An optional $49 silicone case cover, sold separately from October 20, 2023, adds it.

Yes4Owner's manualassets.bosecreative.com/m/36b7ddda21b6edfd/original/898447_OG_QCUE2-HEADPHONEIN_EN.pdfRead 30 September 2026Manual page 38: Charge wirelessly using a compatible third-party wireless charger.

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

Not available

Qi5Reviewsoundguys.com/bose-quietcomfort-ultra-earbuds-2nd-gen-review-140812Read 30 September 2026Any Qi-compatible charging pad

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

1 of 5 differ

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

Touch, Swipe1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026FAQ controls: swipe up or down for volume, tap, double tap, triple tap, press and hold for the shortcut5Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026Pages 24 to 27: tap and swipe the touch surface, touch and hold for the shortcut

Touch, Swipe4Owner's manualassets.bosecreative.com/m/36b7ddda21b6edfd/original/898447_OG_QCUE2-HEADPHONEIN_EN.pdfRead 30 September 2026Touch Control: tap and swipe. (PDF page 24)

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

Swipe1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 20265Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026Page 24: swipe up or down on an earbud

Swipe4Owner's manualassets.bosecreative.com/m/36b7ddda21b6edfd/original/898447_OG_QCUE2-HEADPHONEIN_EN.pdfRead 30 September 2026Touch Control: swipe up or down for volume. (PDF page 24)

Gestures

Tap, Double-tap, Triple-tap, Touch and hold, Swipe up, Swipe down1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026FAQ controls list. Names as in the owner's guide.5Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026Pages 24 to 28

Tap, Double-tap, Triple-tap, Touch and hold, Swipe up, Swipe down4Owner's manualassets.bosecreative.com/m/36b7ddda21b6edfd/original/898447_OG_QCUE2-HEADPHONEIN_EN.pdfRead 30 September 2026Touch Control: tap and swipe, swipe up or down for volume. (PDF page 24)

Remappable controls

Yes1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026The shortcut on one or both earbuds can be customised in the Bose app5Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026Page 28: change or disable the shortcut, or assign a different shortcut to each earbud, in the Bose app

Yes4Owner's manualassets.bosecreative.com/m/36b7ddda21b6edfd/original/898447_OG_QCUE2-HEADPHONEIN_EN.pdfRead 30 September 2026Change or disable shortcut, assign different shortcuts to each bud in the Bose app. (PDF page 28)

Voice assistant

Not available

Siri, Google Assistant13Maker product pagebose.co.uk/stories/how-to-control-bose-wireless-earbudsRead 7 October 2026Maker names Siri and Google Assistant as phone voice assistants. The exact QuietComfort Ultra Earbuds (2nd Gen) row instructs assigning press-and-hold to launch that connected phone assistant. Requires a supported source device and Bose app shortcut configuration. No independent always-listening earbud assistant is claimed.

Sensors and health

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In-ear detection

Yes5Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026Page 29: in-ear detection with auto play/pause, auto answer call and auto transparency

Yes4Owner's manualassets.bosecreative.com/m/36b7ddda21b6edfd/original/898447_OG_QCUE2-HEADPHONEIN_EN.pdfRead 30 September 2026In-ear Detection automatic play/pause on removing or reinserting. (PDF page 29)

Sensors

IMU6Press releasebose.com/pressroom/bose-announces-new-quietcomfort-ultra-headphones-and-earbudsRead 6 October 2026Onboard IMU for Bose Immersive Audio

Not available

Heart rate sensor

Not available

Not available

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

Not available

Not available

Hearing aid featureiAmplification for mild to moderate hearing loss

Not available

Not available

Medical clearances

Not available

Not available

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

Not available

Not available

Hearing protectioniLimits sudden loud sounds

Yes5Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026Page 33: ActiveSense raises noise cancellation for sudden or loud noises in Aware mode, then returns

Yes1Maker product pagebose.com/p/earbuds/bose-quietcomfort-ultra-earbuds-2nd-gen/QCUE2-HEADPHONEIN.htmlRead 7 October 2026ActiveSense applies noise cancellation to very loud sudden sounds in Aware Mode

Health features

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Fit and durability

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

S, M, L1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 20265Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026Page 18: small, medium and large eartips are included. Medium comes attached.

S, M, L1Maker product pagebose.com/p/earbuds/bose-quietcomfort-ultra-earbuds-2nd-gen/QCUE2-HEADPHONEIN.htmlRead 7 October 2026What's in the box, exact 2nd Gen: three eartip pairs S/M/L.

Ear tip materials

Silicone1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026Soft silicone umbrella-shaped eartips

Silicone1Maker product pagebose.com/p/earbuds/bose-quietcomfort-ultra-earbuds-2nd-gen/QCUE2-HEADPHONEIN.htmlRead 7 October 2026Silicone eartips

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

Stability bands1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026Bose Fit Kit stability bands in sizes 1, 2, 3

Stability bands1Maker product pagebose.com/p/earbuds/bose-quietcomfort-ultra-earbuds-2nd-gen/QCUE2-HEADPHONEIN.htmlRead 7 October 2026Stability bands in sizes 1, 2, 3

Ear tip fit test

Yes5Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026Page 16: Earbud Seal Test in the Bose app

Yes1Maker product pagebose.com/p/earbuds/bose-quietcomfort-ultra-earbuds-2nd-gen/QCUE2-HEADPHONEIN.htmlRead 7 October 2026Earbud Seal Test in the Bose app

Dust and water rating, buds

IPX41Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026FAQ: passed IPX4 testing. The outside of the case should not be exposed to water, so no case rating is stored.5Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026Page 14: the earbuds are rated IPX4

IPX41Maker product pagebose.com/p/earbuds/bose-quietcomfort-ultra-earbuds-2nd-gen/QCUE2-HEADPHONEIN.htmlRead 7 October 2026Technical Specifications: Water Resistant IPX4.

Dust and water rating, case

Not available

Not available

Water resistance depth

Not available

Not available

Software

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Companion app

Bose app1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 20265Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026Page 13: Bose app. Launch coverage names the earlier Bose Music app.

Bose app1Maker product pagebose.com/p/earbuds/bose-quietcomfort-ultra-earbuds-2nd-gen/QCUE2-HEADPHONEIN.htmlRead 7 October 2026Support page for the exact product names the Bose app.

App platforms

Android, iOS1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026

Android, iOS1Maker product pagebose.com/p/earbuds/bose-quietcomfort-ultra-earbuds-2nd-gen/QCUE2-HEADPHONEIN.htmlRead 7 October 2026Support page for the exact product: Bose app available on Google Play and the Apple Store.

User firmware updates

Yes5Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026Page 52: the earbuds update through the Bose app. The case updates through btu.Bose.com.

Yes4Owner's manualassets.bosecreative.com/m/36b7ddda21b6edfd/original/898447_OG_QCUE2-HEADPHONEIN_EN.pdfRead 30 September 2026Bose app setup enables future updates and new features. (PDF page 13)

Finding network

Not available

Not available

Precision findingiUWB in the case

Not available

Not available

Live translation

Not available

Not available

Dimensions and weight

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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

Not available

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

Width20.1Height31.2Depth24.4mm(0.8 × 1.2 × 1 in)2Maker product pagebose.de/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 6 October 2026Einzelner Earbud 3.12 cm H x 2.01 cm W x 2.44 cm D. The US and UK pages give 1.23 in H x 0.79 in W x 0.96 in D, which agrees.

Width12.4Height30Depth24.9mm(0.5 × 1.2 × 1 in)2Maker product pagebose.de/p/earbuds/bose-quietcomfort-ultra-earbuds-2nd-gen/QCUE2-HEADPHONEIN.htmlRead 30 September 2026Einzelner Earbud 3.0 cm H x 1.24 cm W x 2.49 cm D

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

Not available

60g(2.1 oz)12Maker product pagesupport.bose.com/article/quietcomfort-ultra-earbuds-gen-2-specificationsRead 7 October 2026Physical Specifications gives Case: 0.06 kg, approximately 60 g, separately from One earbud. Maker product page independently lists Case 0.132 lb, consistent with about 60 g after rounding. Empty charging case, not case plus earbuds.

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

Width59.4Height66.3Depth26.7mm(2.3 × 2.6 × 1.1 in)2Maker product pagebose.de/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 6 October 2026Etui 6.63 cm H x 5.94 cm W x 2.67 cm D. The US and UK pages give 2.61 in H x 2.34 in W x 1.05 in D, which agrees.

Width59.7Height66Depth26.9mm(2.4 × 2.6 × 1.1 in)2Maker product pagebose.de/p/earbuds/bose-quietcomfort-ultra-earbuds-2nd-gen/QCUE2-HEADPHONEIN.htmlRead 30 September 2026Etui 6.6 cm H x 5.97 cm W x 2.69 cm D

Certifications

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

Not available

Not available

Communication certifications

Not available

Not available

FCC IDs

A94408L, A94408R5Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026FCC ID: A94408L / A94408R, IC: 3232A-408L / 3232A-408R

A94408L, A94408R4Owner's manualassets.bosecreative.com/m/36b7ddda21b6edfd/original/898447_OG_QCUE2-HEADPHONEIN_EN.pdfRead 30 September 2026FCC ID: A94408L / A94408R, IC: 3232A-408L / 3232A-408R

Other certifications

Snapdragon Sound1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026Wireless Connectivity lists Snapdragon Sound. The FAQ names Snapdragon Sound certification.5Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026Page 47: the earbuds feature Snapdragon Sound technology

Snapdragon Sound3Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds-2nd-gen/QCUE2-HEADPHONEIN.htmlRead 30 September 2026Wireless Connectivity lists Snapdragon Sound4Owner's manualassets.bosecreative.com/m/36b7ddda21b6edfd/original/898447_OG_QCUE2-HEADPHONEIN_EN.pdfRead 30 September 2026Features Snapdragon Sound technology

In the box

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In the box

2 Bose QuietComfort Ultra Earbuds, 3 pairs of eartips (S, M, L), 3 pairs of stability bands (1, 2, 3), Charging case, 30 cm USB-C® (A to C) cable, Safety sheet1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026What's in the box on the UK page. The US refurbished page lists the same cable as 12 inch.

2 Bose QuietComfort Ultra Earbuds (2nd Gen), 3 pairs of eartips (S, M, L), 3 pairs of stability bands (1, 2, 3), Wireless charging case, 12" USB-C® (A to C) cable, Safety sheet1Maker product pagebose.com/p/earbuds/bose-quietcomfort-ultra-earbuds-2nd-gen/QCUE2-HEADPHONEIN.htmlRead 7 October 2026What's in the box, exact 2nd Gen: 2 buds, three eartip pairs S/M/L, three stability bands 1/2/3, wireless case, 12 inch USB-A to C cable, safety sheet.

Cables included

ABose QuietComfort Ultra Earbuds

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

Source1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 202630 cm USB-C (A to C) cable

BBose QuietComfort Ultra Earbuds (2nd Gen)

Type	Length (m)	Count
USB-C (A to C)	0.3048	1

Source1Maker product pagebose.com/p/earbuds/bose-quietcomfort-ultra-earbuds-2nd-gen/QCUE2-HEADPHONEIN.htmlRead 7 October 202612 inch cable, converted exactly to 0.3048 m

Links

Not compared

Product page

www.bose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.html1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026The US product URL now returns a 404. The UK page is the live maker page for the new product.

www.bose.com/p/earbuds/bose-quietcomfort-ultra-earbuds-2nd-gen/QCUE2-HEADPHONEIN.html1Maker product pagebose.com/p/earbuds/bose-quietcomfort-ultra-earbuds-2nd-gen/QCUE2-HEADPHONEIN.htmlRead 7 October 2026Exact product heading identifies the maker product URL.

Spec sheet

support.bose.com/article/quietcomfort-ultra-earbuds-specifications15Maker product pagesupport.bose.com/article/quietcomfort-ultra-earbuds-specificationsRead 7 October 2026Official Product Specifications support article identifies QuietComfort Ultra Earbuds, Sold from 2023. Public indexed specification body read. Direct page currently renders an empty support shell. This is an HTML specification sheet, not a claimed PDF download or second-generation page.

support.bose.com/article/quietcomfort-ultra-earbuds-gen-2-specifications12Maker product pagesupport.bose.com/article/quietcomfort-ultra-earbuds-gen-2-specificationsRead 7 October 2026Exact model support Specifications page. Readable public indexed text. Direct HTTP yields a support-shell page.

Manual

assets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdf5Owner's manualassets.bosecreative.com/m/157ea573fd945c2e/original/885502_OG_QCUE-HEADPHONEIN_en.pdfRead 6 October 2026Owner's guide 885502 for QUIETCOMFORT ULTRA EARBUDS, support.Bose.com/QCUE. PDF revision dated January 2026.

assets.bosecreative.com/m/36b7ddda21b6edfd/original/898447_OG_QCUE2-HEADPHONEIN_EN.pdf4Owner's manualassets.bosecreative.com/m/36b7ddda21b6edfd/original/898447_OG_QCUE2-HEADPHONEIN_EN.pdfRead 30 September 2026Owner guide cover identifies QUIETCOMFORT ULTRA EARBUDS (2ND GEN). (PDF page 1)

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

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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.

2years1Maker product pagebose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds/QCUE-HEADPHONEIN.htmlRead 7 October 2026Exact current original-earbud UK maker page Why buy direct from Bose explicitly promises 2-year warranty. Applies to new product purchased directly from Bose UK. Does not generalize to US refurbished units, statutory rights or separately sold BoseCare extension.

1year1Maker product pagebose.com/p/earbuds/bose-quietcomfort-ultra-earbuds-2nd-gen/QCUE2-HEADPHONEIN.htmlRead 7 October 2026US: one-year Bose limited warranty

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