Earbuds / Compare

Bose QuietComfort Ultra Earbuds vs Redmi Buds 6 Lite

A

Product A: Bose

QuietComfort Ultra Earbuds

83 of 166 known

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B

Product B: Redmi

Buds 6 Lite

57 of 166 known

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Every value links to where we found it.

Only differences

ABose QuietComfort Ultra Earbuds

BRedmi Buds 6 Lite

General

6 of 8 differ

Series

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

REDMI Buds1Maker product pagemi.com/global/product/redmi-buds-6-liteRead 23 October 2026Sold in the Redmi Buds line.

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.

BHR8653GL, BHR8655GL, BHR8660GL, M2349E14Owner's manualcdn.tgdd.vn/Products/PDF/3/328697/HDSD/huong-dan-su-dung-bud-6-lite-tieng-anh.pdfRead 23 October 2026The specifications box names the model M2349E1 for the wireless earphones. The retail codes BHR8653GL, BHR8655GL and BHR8660GL are on retailer pages.8Retailer pagekontrolsat.com/en/earphones/xiaomi-redmi-buds-6-lite-bluetooth-headphones-black-bhr8653gl-12250.htmlRead 23 October 2026Black pair is BHR8653GL.9Retailer pagepood.datafox.ee/audio-ja-video/korvaklapid-ja-mikrofonid/juhtmevabad-korvaklapid/xiaomi-redmi-buds-6-lite-headphones-2Read 23 October 2026White pair is BHR8655GL.10Retailer pagearvutitark.ee/en/pcs-and-accessories/audio-devices/korvaklapid/xiaomi-redmi-buds-6-lite-blue-1394773Read 23 October 2026Blue pair is listed with product code BHR8660GL.

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.

6941812787823, 6941812787847, 69418127877938Retailer pagekontrolsat.com/en/earphones/xiaomi-redmi-buds-6-lite-bluetooth-headphones-black-bhr8653gl-12250.htmlRead 23 October 2026EAN 6941812787823 for the black pair, with model BHR8653GL.9Retailer pagepood.datafox.ee/audio-ja-video/korvaklapid-ja-mikrofonid/juhtmevabad-korvaklapid/xiaomi-redmi-buds-6-lite-headphones-2Read 23 October 2026EAN 6941812787847 for the white pair.10Retailer pagearvutitark.ee/en/pcs-and-accessories/audio-devices/korvaklapid/xiaomi-redmi-buds-6-lite-blue-1394773Read 23 October 2026GTIN 6941812787793 for the blue pair.

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

2 September 20245Press articlenotebookcheck.com/Xiaomi-Redmi-Buds-6-Lite-In-Ear-Kopfhoerer-starten-fuer-nur-20-Euro-und-mit-aktiver-Geraeuschunterdrueckung.882886.0.htmlRead 23 October 2026Article of 2 September 2024 says Xiaomi presented the Redmi Buds 6 Lite and pre-orders are open.

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 pagemi.com/global/product/redmi-buds-6-liteRead 23 October 2026The Xiaomi global product page is live.

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.

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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.

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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.

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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.

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€19.995Press articlenotebookcheck.com/Xiaomi-Redmi-Buds-6-Lite-In-Ear-Kopfhoerer-starten-fuer-nur-20-Euro-und-mit-aktiver-Geraeuschunterdrueckung.882886.0.htmlRead 23 October 2026The article says pre-order at 20 euros in Germany. nextpit lists the German recommended price as 19.99 euros. The article rounds the same price. Stored as 19.99 including VAT as published.6Spec databasenextpit.de/in-ear-kopfhoerer/xiaomi-redmi-buds-6-liteRead 23 October 2026UVP 19,99 euro on the German page. UVP is the recommended retail price. The page also shows a market price, which is not stored.

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

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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

Blue, White, Black1Maker product pagemi.com/global/product/redmi-buds-6-liteRead 23 October 2026White, Blue and Black.2Maker product pagemi.com/global/product/redmi-buds-6-lite/specsRead 23 October 2026Blue, White and Black.

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.

Music1Maker product pagemi.com/global/product/redmi-buds-6-liteRead 23 October 2026Marketed with the line Your beat, your way and a 12.4 mm driver. Stored as music.

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 pagemi.com/global/product/redmi-buds-6-liteRead 23 October 2026The page describes optimised in-ear comfort. The pictures show silicone ear tips and the manual shows the earbuds worn in the ear canal.

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

Stem7Reviewscarbir.com/tws/redmi-buds-6-play-vs-lite-vs-baseus-e19Read 23 October 2026The review calls the Buds 6 Lite stem-design earbuds with touch panels halfway down the stem. Its IPX4 and 5 hour ANC on battery statements are not stored. The maker states IP54.

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

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RGB lighting

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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 Ultra Earbuds

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BRedmi Buds 6 Lite

Type	Diameter (mm)	Count per earbud
Dynamic	12.4	1

Source1Maker product pagemi.com/global/product/redmi-buds-6-liteRead 23 October 202612.4 mm large titanium dynamic driver. One driver per earbud is the only driver the page names.

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.

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

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

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12.4mm=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.

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1=CalculatedFrom Drivers per bud

Diaphragm material

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Titanium1Maker product pagemi.com/global/product/redmi-buds-6-liteRead 23 October 202612.4mm titanium-diaphragm driver.

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

Not available

Min20 HzMax20 kHz2Maker product pagemi.com/global/product/redmi-buds-6-lite/specsRead 23 October 2026Frequency response range 20 Hz to 20 kHz.

Impedance

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32Ω2Maker product pagemi.com/global/product/redmi-buds-6-lite/specsRead 23 October 2026Speaker impedance 32 ohm.

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

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Sensitivity reference

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

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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.

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

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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.

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Onboard EQ

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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

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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.

Enhance treble, Standard, Enhance bass, Enhance voice1Maker product pagemi.com/global/product/redmi-buds-6-liteRead 23 October 2026Four preset EQ settings, Enhance treble, Standard, Enhance bass and Enhance voice, plus one custom setting in the Xiaomi Earbuds app. The custom band count is not stated.

Volume limit

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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

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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.

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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 pagemi.com/global/product/redmi-buds-6-liteRead 23 October 2026Hybrid ANC with up to 40 dB active 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 pagemi.com/global/product/redmi-buds-6-liteRead 23 October 2026Page headline Hybrid ANC delivers smart noise reduction.

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.

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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

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

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

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40dB1Maker product pagemi.com/global/product/redmi-buds-6-liteRead 23 October 2026Up to 40 dB at 2 kHz. Test data from the National Institute of Metrology, China. The page says the product reaches 40 dB ANC depth only at a certain frequency range. The depth varies with ear size and fit.

Transparency mode

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

Yes1Maker product pagemi.com/global/product/redmi-buds-6-liteRead 23 October 2026The page footnote names a transparency mode next to noise cancellation.

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.

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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

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Conversation detection

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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 pagemi.com/global/product/redmi-buds-6-liteRead 23 October 2026Dual-mic with AI noise reduction handles winds up to 6 m/s. The earbud duct has a structural design for wind noise and Xiaomi developed a wind noise cancellation algorithm. Tested by the National Institute of Metrology, China.

Measured

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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

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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

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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

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

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

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

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

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

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

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

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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.

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

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

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

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

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

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

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

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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 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.

BRedmi Buds 6 Lite

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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)

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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.

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Full charge time (measured)iBuds in the case, 0 to 100 %. Measured by a reviewer

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Weight per bud (measured)iMeasured by a reviewer, not claimed by the maker

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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.

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.

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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.

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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.

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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 pagemi.com/global/product/redmi-buds-6-liteRead 23 October 2026Dual-mic with AI noise reduction for clear calls.

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

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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.

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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

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Connectivity

7 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

Bluetooth2Maker product pagemi.com/global/product/redmi-buds-6-lite/specsRead 23 October 2026Wireless connection Bluetooth 5.3.4Owner's manualcdn.tgdd.vn/Products/PDF/3/328697/HDSD/huong-dan-su-dung-bud-6-lite-tieng-anh.pdfRead 23 October 2026Wireless connectivity Bluetooth 5.3.

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 pagemi.com/global/product/redmi-buds-6-liteRead 23 October 2026Bluetooth 5.3.2Maker product pagemi.com/global/product/redmi-buds-6-lite/specsRead 23 October 2026Bluetooth 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

AAC1Maker product pagemi.com/global/product/redmi-buds-6-liteRead 23 October 2026The page names AAC coding and runs its battery tests with AAC. The maker names no other codec, so SBC is not stored for this model.

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.

Bluetooth Low Energy, HFP, A2DP, AVRCP2Maker product pagemi.com/global/product/redmi-buds-6-lite/specsRead 23 October 2026Bluetooth Low Energy, HFP, A2DP and AVRCP.

LE Audio

Not available

Not available

Auracast

Not available

Not available

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

Yes1Maker product 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.

No3Maker product pagemi.com/global/support/faq/details/KA-237699Read 23 October 2026Question 14 says dual-device connectivity is not supported.

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

Not available

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

Not available

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 Pair1Maker product pagemi.com/global/product/redmi-buds-6-liteRead 23 October 2026Google Fast Pair for Android devices.

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)

10m2Maker product pagemi.com/global/product/redmi-buds-6-lite/specsRead 23 October 202610 m in an open space free of obstacles.3Maker product pagemi.com/global/support/faq/details/KA-237699Read 23 October 2026About 10 m effective connection distance without obstacles.4Owner's manualcdn.tgdd.vn/Products/PDF/3/328697/HDSD/huong-dan-su-dung-bud-6-lite-tieng-anh.pdfRead 23 October 2026Wireless range 10 m in an open space without obstacles.

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

None of 3 known

Low latency mode

Not available

Not available

Claimed latency

Not available

Not available

Lowest claimed latency

Not available

Not available

Compatibility

2 of 4 differ

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

Android, 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

Not available

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).

BRedmi Buds 6 Lite

Not available

Official licence

Not available

Not available

Battery and charging

9 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

45mAh2Maker product pagemi.com/global/product/redmi-buds-6-lite/specsRead 23 October 2026Earbuds 45 mAh, each earbud as listed.

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

No3Maker product pagemi.com/global/support/faq/details/KA-237699Read 23 October 2026The battery of the REDMI Buds 6 Lite cannot be replaced.

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.

BRedmi Buds 6 Lite

Mode	Codec	Includes case recharges	Hours (h)
ANC off	AAC	No	7
ANC off	AAC	Yes	38

Source1Maker product pagemi.com/global/product/redmi-buds-6-liteRead 23 October 2026Up to 7 hours of music playback with the earbuds, ANC off. Up to 38 hours with the charging case. Tested by the maker with AAC at 50 percent volume and all other functions at default. The FAQ page says 36 hours with the case. The product and specs pages say 38 hours and are stored. No ANC on figure is stated.2Maker product pagemi.com/global/product/redmi-buds-6-lite/specsRead 23 October 2026Battery life on a single charge 7 hours. With the charging case 38 hours. Music playback, Bluetooth AAC connection, volume 50 percent, all other functions at default.

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

7h=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

Not available

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

Not available

7h=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.

Not available

38h=CalculatedFrom Claimed battery life

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

Not available

Not available

Talk time (claimed)

Not available

Not available

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

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

Not available

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

Not available

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

10min1Maker product pagemi.com/global/product/redmi-buds-6-liteRead 23 October 2026A 10 minute charge provides 2 hours of music playback. The case needs at least 20 percent charge. Tested with AAC, 50 percent volume, noise cancellation and transparency mode off.

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.

2h1Maker product pagemi.com/global/product/redmi-buds-6-liteRead 23 October 20262 hours of music playback after a 10 minute charge, earbuds only.

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

480mAh2Maker product pagemi.com/global/product/redmi-buds-6-lite/specsRead 23 October 2026Charging case 480 mAh. The case input is 5 V 500 mA max and its output is 5 V 200 mA max.

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-C2Maker product pagemi.com/global/product/redmi-buds-6-lite/specsRead 23 October 2026Type-C. The earbud input is 5 V 100 mA.

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

Not available

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.

No3Maker product pagemi.com/global/support/faq/details/KA-237699Read 23 October 2026Question 18 says it does not support wireless charging. The case charges with a Type-C cable.

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

Screen on case

Not available

Not available

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

Not available

Not available

Controls

3 of 5 differ

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

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

Touch3Maker product pagemi.com/global/support/faq/details/KA-237699Read 23 October 2026The touch area is on each earbud, left and right.4Owner's manualcdn.tgdd.vn/Products/PDF/3/328697/HDSD/huong-dan-su-dung-bud-6-lite-tieng-anh.pdfRead 23 October 2026Function Overview page: double tap, triple tap and a 2 second hold on the touch area.

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

Touch3Maker product pagemi.com/global/support/faq/details/KA-237699Read 23 October 2026Volume is set on the phone. Gestures can also be set to adjust earbud volume in the Bluetooth settings or the Xiaomi Earbuds app. No default gesture changes volume. Volume gestures do not work during Bluetooth calls.

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

Double tap: answer or end a call, or play or pause music, Triple tap: reject a call, or skip to the next track, Hold 2 seconds: switch between transparency, noise cancellation and off3Maker product pagemi.com/global/support/faq/details/KA-237699Read 23 October 2026Companion FAQ KA-243095 gives the same controls as the manual.4Owner's manualcdn.tgdd.vn/Products/PDF/3/328697/HDSD/huong-dan-su-dung-bud-6-lite-tieng-anh.pdfRead 23 October 2026Double tap: call answer or end, music play or pause. Triple tap: call cancel or reject, music next track. Press and hold for 2 seconds: Transparency, Noise cancellation, Off. Gesture operations can be customized in the Xiaomi Earbuds app.

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

Yes1Maker product pagemi.com/global/product/redmi-buds-6-liteRead 23 October 2026Gesture settings are only available in the Xiaomi Earbuds app.3Maker product pagemi.com/global/support/faq/details/KA-237699Read 23 October 2026Gestures can be set in the Bluetooth settings or in the Xiaomi Earbuds app.4Owner's manualcdn.tgdd.vn/Products/PDF/3/328697/HDSD/huong-dan-su-dung-bud-6-lite-tieng-anh.pdfRead 23 October 2026Gesture operations can be customized via the Xiaomi Earbuds App.

Voice assistant

Not available

Not available

Sensors and health

3 of 9 differ

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

Not available

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

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, 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.

Not available

Ear tip materials

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

Not available

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

Not available

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

Not available

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

IP541Maker product pagemi.com/global/product/redmi-buds-6-liteRead 23 October 2026IP54 rating applies to the earbuds themselves, not the charging case. Tested by TUV SUD, report 704202404131-00.3Maker product pagemi.com/global/support/faq/details/KA-237699Read 23 October 2026The FAQ says the earbuds support IP54 dust and water protection.

Dust and water rating, case

Not available

Not available

Water resistance depth

Not available

Not available

Software

1 of 6 differ

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.

Xiaomi Earbuds1Maker product pagemi.com/global/product/redmi-buds-6-liteRead 23 October 2026Xiaomi Earbuds app.

App platforms

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

Android, iOS1Maker product pagemi.com/global/product/redmi-buds-6-liteRead 23 October 2026Android 6.0 and later in Google Play, iOS 14.0 and later in the App 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.

Yes1Maker product pagemi.com/global/product/redmi-buds-6-liteRead 23 October 2026The app installs online firmware upgrades.

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.

Not available

4.2g(0.1 oz)2Maker product pagemi.com/global/product/redmi-buds-6-lite/specsRead 23 October 2026Weight of a single earbud 4.2 g, tolerance 0.2 g. Total weight 47 g, tolerance 1 g.

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.

Not available

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

Not available

38.5g(1.4 oz)2Maker product pagemi.com/global/product/redmi-buds-6-lite/specsRead 23 October 2026Weight of charging case 38.5 g, tolerance 1 g. This is the case without the earbuds, since 2 x 4.2 g + 38.5 g is about the 47 g total.

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.

Not available

Certifications

1 of 3 differ

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

Not available

Not available

Communication certifications

Not available

Not available

FCC IDs

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

2AFZZM2349E14Owner's manualcdn.tgdd.vn/Products/PDF/3/328697/HDSD/huong-dan-su-dung-bud-6-lite-tieng-anh.pdfRead 23 October 2026FCC ID 2AFZZM2349E1 is printed in the legal section for model M2349E1. One ID covers the earbuds and the case on this label.

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

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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.

Redmi Buds 6 Lite, Charging case, User manual2Maker product pagemi.com/global/product/redmi-buds-6-lite/specsRead 23 October 2026Redmi Buds 6 Lite x 1, charging case x 1, user manual x 1. The manual says no charging cable is in the package.4Owner's manualcdn.tgdd.vn/Products/PDF/3/328697/HDSD/huong-dan-su-dung-bud-6-lite-tieng-anh.pdfRead 23 October 2026The charging page says the packaging does not include a charging cable. The package contents drawing shows the case, earbuds, two extra ear tip sizes marked L and S, and the manual.

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

BRedmi Buds 6 Lite

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Links

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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.mi.com/global/product/redmi-buds-6-lite1Maker product pagemi.com/global/product/redmi-buds-6-liteRead 23 October 2026This page.

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.

www.mi.com/global/product/redmi-buds-6-lite/specs2Maker product pagemi.com/global/product/redmi-buds-6-lite/specsRead 23 October 2026The full spec tab of the global product 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.

cdn.tgdd.vn/Products/PDF/3/328697/HDSD/huong-dan-su-dung-bud-6-lite-tieng-anh.pdf4Owner's manualcdn.tgdd.vn/Products/PDF/3/328697/HDSD/huong-dan-su-dung-bud-6-lite-tieng-anh.pdfRead 23 October 2026Multilingual Redmi Buds 6 Lite manual in 16 languages, hosted as a copy by a retailer. The English section is on pages 3 to 9 of the PDF. No Xiaomi-hosted copy of the manual was found.

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.

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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.

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