Earbuds / Compare

Bose QuietComfort Ultra Earbuds (2nd Gen) vs Samsung Galaxy Buds3 FE

A

Product A: Bose

QuietComfort Ultra Earbuds (2nd Gen)

90 of 166 known

Change Bose QuietComfort Ultra Earbuds (2nd Gen)

Compare the Samsung Galaxy Buds3 FE with

Search earbuds

B

Product B: Samsung

Galaxy Buds3 FE

87 of 166 known

Change Samsung Galaxy Buds3 FE

Compare the Bose QuietComfort Ultra Earbuds (2nd Gen) with

Search earbuds

All 166 fields

Every value links to where we found it.

Only differences

ABose QuietComfort Ultra Earbuds (2nd Gen)

BSamsung Galaxy Buds3 FE

General

6 of 8 differ

Series

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

Galaxy Buds1Maker product pagesamsung.com/ca/business/audio-sound/galaxy-buds/galaxy-buds3-fe-black-sm-r420nzkaxacRead 7 October 2026

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

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.

SM-R420, SM-R420NZKAXAC, SM-R420NZKAXEF, SM-R420NZAAXEF, SM-R420NZAAEUA1Maker product pagesamsung.com/ca/business/audio-sound/galaxy-buds/galaxy-buds3-fe-black-sm-r420nzkaxacRead 7 October 2026Canada business product header and URL explicitly identify SM-R420NZKAXAC.6Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 7 October 2026Cover identifies SM-R420.7Maker spec sheet (PDF)boulanger.scene7.com/is/content/Boulanger/8806097620952_f_0Read 7 October 2026Exact France product identifiers in Page 2 Logistics.9Maker product pagesamsung.com/uk/audio-sound/galaxy-buds/galaxy-buds3-fe-grey-sm-r420nzaaeuaRead 7 October 2026UK maker header explicitly identifies SM-R420NZAAEUA.

GTIN / EAN

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.

8806097620952, 88060976211647Maker spec sheet (PDF)boulanger.scene7.com/is/content/Boulanger/8806097620952_f_0Read 7 October 2026Page 2 Logistics. France Black SM-R420NZKAXEF EAN 8806097620952. Gray SM-R420NZAAXEF EAN 8806097621164. Each check digit verified.

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

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

18 August 20252Press releasenews.samsung.com/us/samsung-introduces-galaxy-buds3-fe-iconic-design-enhanced-sound-galaxy-ai-integrationRead 7 October 2026

Status

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.

Available8Maker product pagesamsung.com/fr/audio-sound/galaxy-buds/galaxy-buds3-fe-black-sm-r420nzkaxefRead 7 October 2026Exact France SM-R420NZKAXEF Product offer identifies availability inStock. Product CTA marks this SKU saleable true. Generic hidden out-of-stock template text is not treated as current product availability.

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

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.

Samsung Galaxy Buds FE19Reviewgsmarena.com/samsung_galaxy_buds3_fe_announced_with_spatial_audio_galaxy_ai_and_up_to_30_hours_of_battery_life-news-69092.phpRead 23 October 2026GSMArena says the Galaxy Buds3 FE is the successor to the original Galaxy Buds FE.20Reviewsoundguys.com/samsung-galaxy-buds-3-fe-vs-samsung-galaxy-buds-fe-145735Read 23 October 2026SoundGuys says the Galaxy Buds 3 FE succeed the Galaxy Buds FE.

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

Not available

Not available

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

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

$149.992Press releasenews.samsung.com/us/samsung-introduces-galaxy-buds3-fe-iconic-design-enhanced-sound-galaxy-ai-integrationRead 7 October 2026

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

€1494Press releasenews.samsung.com/de/ikonisches-design-satter-klang-und-komfortable-nutzung-die-samsung-galaxy-buds3-fe-mit-galaxy-aiRead 7 October 2026German launch UVP 149 EUR. German availability September 5 is not substituted for earlier Polish retail.

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, 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.

CA, US, FR, DE, PL, GB1Maker product pagesamsung.com/ca/business/audio-sound/galaxy-buds/galaxy-buds3-fe-black-sm-r420nzkaxacRead 7 October 2026Canada regional business store for exact SM-R420NZKAXAC.2Press releasenews.samsung.com/us/samsung-introduces-galaxy-buds3-fe-iconic-design-enhanced-sound-galaxy-ai-integrationRead 7 October 2026Explicit regional retail availability in this maker launch publication. US September 4.3Press releasenews.samsung.com/pl/ruszyla-sprzedaz-samsung-galaxy-buds3-fe-inteligentny-dzwiek-i-odwazny-styl-w-atrakcyjnej-cenieRead 7 October 2026Explicit regional retail availability in this maker launch publication. Poland August 19 2025.4Press releasenews.samsung.com/de/ikonisches-design-satter-klang-und-komfortable-nutzung-die-samsung-galaxy-buds3-fe-mit-galaxy-aiRead 7 October 2026Explicit regional retail availability in this maker launch publication. Germany September 5.7Maker spec sheet (PDF)boulanger.scene7.com/is/content/Boulanger/8806097620952_f_0Read 7 October 2026Samsung France branded publication and exact XEF retail codes, corroborated by France Samsung store.8Maker product pagesamsung.com/fr/audio-sound/galaxy-buds/galaxy-buds3-fe-black-sm-r420nzkaxefRead 7 October 2026France store offers exact Black SM-R420NZKAXEF and Gris choice. Country confirmed by sale/store, not page language.9Maker product pagesamsung.com/uk/audio-sound/galaxy-buds/galaxy-buds3-fe-grey-sm-r420nzaaeuaRead 7 October 2026UK store exact Grey SM-R420NZAAEUA offered with local delivery/store information. Current stock status is not a global lifecycle claim.

ColoursiThe maker's own colour names

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

Black, Gray2Press releasenews.samsung.com/us/samsung-introduces-galaxy-buds3-fe-iconic-design-enhanced-sound-galaxy-ai-integrationRead 7 October 2026

Segment

Not available

Not available

Design

1 of 4 differ

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

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

In-ear2Press releasenews.samsung.com/us/samsung-introduces-galaxy-buds3-fe-iconic-design-enhanced-sound-galaxy-ai-integrationRead 7 October 2026

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

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.

Stem2Press releasenews.samsung.com/us/samsung-introduces-galaxy-buds3-fe-iconic-design-enhanced-sound-galaxy-ai-integrationRead 7 October 2026

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

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

Either bud5Measurementsoundguys.com/samsung-galaxy-buds-3-fe-review-144120Read 7 October 2026FAQ explicitly permits either earbud alone for calls or music while the other charges.

RGB lighting

Not available

No12Reviewwired.com/review/samsung-galaxy-buds3-feRead 7 October 2026Review explicitly says high-tech LED Blade Lights are gone. Status LED in case is not decorative RGB lighting.

Drivers and sound

6 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 (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.

BSamsung Galaxy Buds3 FE

Type	Diameter (mm)	Count per earbud
Dynamic	11	1

Source2Press releasenews.samsung.com/us/samsung-introduces-galaxy-buds3-fe-iconic-design-enhanced-sound-galaxy-ai-integrationRead 7 October 20267Maker spec sheet (PDF)boulanger.scene7.com/is/content/Boulanger/8806097620952_f_0Read 7 October 2026Page 2 Music and Voice. One-way 11 mm Dynamic Driver. Diameter 11 mm is explicit. No diaphragm material or named acoustic role is inferred.

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

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.

Dynamic2Press releasenews.samsung.com/us/samsung-introduces-galaxy-buds3-fe-iconic-design-enhanced-sound-galaxy-ai-integrationRead 7 October 2026

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

Not available

11mm=CalculatedFrom Drivers per bud

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

1=CalculatedFrom Drivers per bud

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

Min20 HzMax20 kHz13Reviewnotebookcheck.net/Premium-mid-range-headphones-with-bargain-appeal-Samsung-Galaxy-Buds3-FE-review.1211124.0.htmlRead 7 October 2026Specifications table Speaker row directly publishes 20 to 20000 Hz for the dynamic one-way speaker. Acoustic range claimed by reviewer, not graph-derived. Tolerance and level not stated. No codec bandwidth inference.

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.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.

Not available

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.

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

95Measurementsoundguys.com/samsung-galaxy-buds-3-fe-review-144120Read 7 October 2026App section and screenshots explicitly show nine-band custom EQ. No proof that EQ is stored on the earbuds, so onboard_eq is omitted.

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

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.

Bass boost, Treble boost, Smooth, Dynamic, Clear, Balanced5Measurementsoundguys.com/samsung-galaxy-buds-3-fe-review-144120Read 7 October 2026

Volume limit

Not available

Not available

Spatial audio

2 of 2 differ

Spatial audioiNamed spatial or surround audio processing supported with the source and platform conditions stated in the source note.

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).

Samsung 360 Audio1Maker product pagesamsung.com/ca/business/audio-sound/galaxy-buds/galaxy-buds3-fe-black-sm-r420nzkaxacRead 7 October 2026

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

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

No1Maker product pagesamsung.com/ca/business/audio-sound/galaxy-buds/galaxy-buds3-fe-black-sm-r420nzkaxacRead 7 October 2026360 Audio footnote explicitly says head tracking is not supported.

Noise cancelling

6 of 11 differ

Active noise cancelling

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).

Yes1Maker product pagesamsung.com/ca/business/audio-sound/galaxy-buds/galaxy-buds3-fe-black-sm-r420nzkaxacRead 7 October 2026

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

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.

Not available

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

Not available

Not available

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

Yes1Maker product 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.

Not available

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

32dB7Maker spec sheet (PDF)boulanger.scene7.com/is/content/Boulanger/8806097620952_f_0Read 7 October 2026Page 2 Everyday features. Maker claims active reduction up to 32 dB. Maximum claimed attenuation only. Frequency, fixture and method are unstated.

Transparency mode

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).

Yes1Maker product pagesamsung.com/ca/business/audio-sound/galaxy-buds/galaxy-buds3-fe-black-sm-r420nzkaxacRead 7 October 2026

Adjustable transparency

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.

Yes6Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 7 October 2026Adjusting noise control intensity. Ambient sound volume and ANC strength can be adjusted.

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

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.

Not available

Conversation detection

Not available

No12Reviewwired.com/review/samsung-galaxy-buds3-feRead 7 October 2026Reviewer explicitly says these buds do not have a conversation awareness sensor. ANC levels are manually adjusted.

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.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.

Not available

Measured

7 of 23 differ

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

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

Default tuning closely follows the SoundGuys preference curve, with elevated bass and no pronounced emphasis from 4 to 9 kHz.5Measurementsoundguys.com/samsung-galaxy-buds-3-fe-review-144120Read 7 October 2026Published default frequency-response discussion against SoundGuys house target. B&K 5128 fixture and SoundCheck per linked test method. Codec, firmware and exact ANC state for this curve are unstated.10Measurementsoundguys.com/how-we-testRead 7 October 2026Standard frequency-response procedure uses B&K 5128 artificial head and SoundCheck against the SoundGuys preference curve.

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

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

5dB5Measurementsoundguys.com/samsung-galaxy-buds-3-fe-review-144120Read 7 October 2026Published default tuning is 5 dB above SoundGuys house target in bass. No graph estimate. B&K 5128 and SoundCheck per method page. Exact frequency interval, codec, firmware and ANC state unstated.10Measurementsoundguys.com/how-we-testRead 7 October 2026Same published frequency-response method and house preference target. Product review supplies the 5 dB number.

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.

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

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

0.1%15Measurementnotebookcheck.net/Premium-mid-range-headphones-with-bargain-appeal-Samsung-Galaxy-Buds3-FE-review.1211124.0.htmlRead 7 October 2026Loudspeakers THD table explicitly Samsung Galaxy Buds3 FE 0.1 percent at RMS -1.0 dBFS. Published method uses low-harmonic 1 kHz sine above 0 dB, linear microphone about 1 cm from driver in artificial head. Firmware R420XXU0AYH1. Codec and ANC state not stated. THD+N 0.31 percent remains separate and is not stored as THD. Public web text readable, raw curl 403. Review adaptive/head-tracking/IP-case claims rejected against maker or trusted conflicts.

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

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.

SoundGuys recorded quiet, office, street, windy and reverberant samples. Office and street noise remained audible. Very strong wind reduced voice clarity.5Measurementsoundguys.com/samsung-galaxy-buds-3-fe-review-144120Read 7 October 2026Published recorded microphone demos and commentary. Quiet, office, street, windy and reverberant conditions. No calibrated speech-to-noise value is inferred.

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 (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

BSamsung Galaxy Buds3 FE

ANC	Hours (h)
Yes	4.43

Source5Measurementsoundguys.com/samsung-galaxy-buds-3-fe-review-144120Read 7 October 2026Battery section explicitly reports 4 h 26 min with ANC enabled. Earbuds only, not case-inclusive. Codec and firmware are not stated. ANC-off result is only just under six hours, so no exact number is stored. Linked standard method plays music peaking at 75 dB SPL. This is playback-level peak, not 75 dBA average. Codec, firmware and phone unstated.10Measurementsoundguys.com/how-we-testRead 7 October 2026Standard battery procedure plays music peaking at 75 dB SPL and tracks the recorded waveform until playback stops. Product review reports ANC on 4 h 26 min.

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

6.5h=CalculatedFrom Battery life (measured)

4.43h=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

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.

Not available

Microphones and calls

4 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.

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.

Not available

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.

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

61Maker product pagesamsung.com/ca/business/audio-sound/galaxy-buds/galaxy-buds3-fe-black-sm-r420nzkaxacRead 7 October 2026Specifications lists six physical microphones across the pair. Launch table lists three per earbud. ANC and voice-role counts are not inferred.

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.

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

Not available

Mic noise reduction

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

AI2Press releasenews.samsung.com/us/samsung-introduces-galaxy-buds3-fe-iconic-design-enhanced-sound-galaxy-ai-integrationRead 7 October 2026Crystal Clear Call uses a pretrained machine-learning model to isolate voice.

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.

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

Not available

SidetoneiHear your own voice in calls

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

Yes6Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 7 October 2026Use Ambient sound during calls explicitly makes own voice audible to prevent raising voice.

Connectivity

11 of 18 differ

Chip

Not available

Not available

Connections

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.

Bluetooth2Press releasenews.samsung.com/us/samsung-introduces-galaxy-buds3-fe-iconic-design-enhanced-sound-galaxy-ai-integrationRead 7 October 2026

Bluetooth

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

5.41Maker product pagesamsung.com/ca/business/audio-sound/galaxy-buds/galaxy-buds3-fe-black-sm-r420nzkaxacRead 7 October 2026

Bluetooth codecs

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

AAC, SBC, Samsung Seamless1Maker product pagesamsung.com/ca/business/audio-sound/galaxy-buds/galaxy-buds3-fe-black-sm-r420nzkaxacRead 7 October 2026

Bluetooth profiles

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.

A2DP, AVRCP, HFP1Maker product pagesamsung.com/ca/business/audio-sound/galaxy-buds/galaxy-buds3-fe-black-sm-r420nzkaxacRead 7 October 2026

LE Audio

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.

Not available

Auracast

Not available

No5Measurementsoundguys.com/samsung-galaxy-buds-3-fe-review-144120Read 7 October 2026Connectivity section explicitly says Buds3 FE does not support Auracast.

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

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)

No5Measurementsoundguys.com/samsung-galaxy-buds-3-fe-review-144120Read 7 October 2026Connectivity section distinguishes absent multipoint from supported account-based Auto Switch.

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

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)

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.

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

Not available

Automatic switching between own devicesiThrough the maker's account

Not available

Yes1Maker product pagesamsung.com/ca/business/audio-sound/galaxy-buds/galaxy-buds3-fe-black-sm-r420nzkaxacRead 7 October 2026

Fast pairing

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)

Not available

Audio sharingiShare one stream with a second pair

Not available

Not available

Wireless range (claimed)

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

10m6Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 7 October 2026Bluetooth precautions, page 16. Maximum Bluetooth connection range 10 m. Actual distance varies with environment.

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

0 of 3 differ

Low latency mode

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.

Yes6Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 7 October 2026Labs, page 33. Gaming mode reduces audio delay. Only Samsung Android mobile devices are supported.

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.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.

Android, iOS2Press releasenews.samsung.com/us/samsung-introduces-galaxy-buds3-fe-iconic-design-enhanced-sound-galaxy-ai-integrationRead 7 October 2026Bluetooth audio is supported regardless of operating system. Advanced features and settings require supported Galaxy or Android device.5Measurementsoundguys.com/samsung-galaxy-buds-3-fe-review-144120Read 7 October 2026App section says iPhone supports basic Bluetooth only.

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.

ABose QuietComfort Ultra Earbuds (2nd Gen)

Not available

BSamsung Galaxy Buds3 FE

Platform	Connection
Android	Bluetooth
iOS	Bluetooth

Source14Reviewwired.com/review/samsung-galaxy-buds3-feRead 7 October 2026Review explicitly says iPhone and non-Samsung Android phones pair and play through Bluetooth. Advanced Galaxy functions are not promised. Microphone flags omitted without separate platform-specific test proof.

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

ABose 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)

BSamsung Galaxy Buds3 FE

Feature	Needs
Auto Switch	Supported Galaxy devices signed into the same Samsung Account. This is automatic switching, not simultaneous Bluetooth multipoint.
Galaxy Wearable settings	Android 11 or later with at least 1.5 GB RAM and Samsung Account.
360 Audio	Compatible Samsung Galaxy smartphone or tablet with Android One UI 3.1 or later. Head tracking is not supported.
Live Translation and Interpreter	Compatible Samsung Galaxy device with Galaxy AI. Samsung Account and supported language packages. Processing is on the phone.
Google Gemini voice wake-up	Compatible phone with One UI 8.0 or later. Google Account and network can be required.
Gaming mode	Samsung mobile device running Android. Enable Gaming mode under Labs. Other Bluetooth devices do not establish this mode.

Source2Press releasenews.samsung.com/us/samsung-introduces-galaxy-buds3-fe-iconic-design-enhanced-sound-galaxy-ai-integrationRead 7 October 20266Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 7 October 2026Gaming mode is only available with a Samsung mobile device running Android. Settings options can vary by mobile device.

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

53mAh1Maker product pagesamsung.com/ca/business/audio-sound/galaxy-buds/galaxy-buds3-fe-black-sm-r420nzkaxacRead 7 October 2026Typical 53 mAh per earbud. US maker footnote gives rated 50 mAh separately. Typical capacity retained.

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 (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.

BSamsung Galaxy Buds3 FE

Mode	Includes case recharges	Hours (h)
ANC on	No	6
ANC off	No	8.5
ANC on	Yes	24
ANC off	Yes	30
Call	No	4
Call	Yes	18

Source2Press releasenews.samsung.com/us/samsung-introduces-galaxy-buds3-fe-iconic-design-enhanced-sound-galaxy-ai-integrationRead 7 October 2026Specification table. Earbuds 6 h ANC on or 8.5 h off. Totals 24 or 30 h include earbuds and case. Call 4 h and total 18 h in either ANC state, so only one call condition is stored. Default settings on preproduction Galaxy phone, codec unspecified.

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

8.5h=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

8.5h=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

30h=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

24h=CalculatedFrom Claimed battery life

Talk time (claimed)

4h=CalculatedFrom Claimed battery life

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.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

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.

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

Not available

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.

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)

Not available

Charging case

4 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

515mAh1Maker product pagesamsung.com/ca/business/audio-sound/galaxy-buds/galaxy-buds3-fe-black-sm-r420nzkaxacRead 7 October 2026Typical 515 mAh case cell. US maker footnote gives rated 500 mAh separately. Typical capacity retained.

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

USB-C6Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 7 October 2026Device layout labels charging case USB Type-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.

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

Not available

Wireless charging

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.

No5Measurementsoundguys.com/samsung-galaxy-buds-3-fe-review-144120Read 7 October 2026Battery section explicitly says not supported.

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

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

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

Pressure, Swipe, Voice commands6Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 7 October 2026Using earbuds and Listening to music. Pinch controls and volume swipe.

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

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)

Swipe6Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 7 October 2026

Gestures

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)

Single pinch: play or pause, answer or end a call, Double pinch: next track, Triple pinch: previous track, Pinch and hold: selected action or decline a call, Swipe up or down: volume6Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 7 October 2026Understanding gestures, page 21. Single, double and triple pinch, pinch and hold, and vertical volume swipe. Call mute is not stated.

Remappable controls

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)

Yes6Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 7 October 2026

Voice assistant

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.

Bixby, Google Gemini, Google Assistant2Press releasenews.samsung.com/us/samsung-introduces-galaxy-buds3-fe-iconic-design-enhanced-sound-galaxy-ai-integrationRead 7 October 20267Maker spec sheet (PDF)boulanger.scene7.com/is/content/Boulanger/8806097620952_f_0Read 7 October 2026Page 2 stem controls lists Gemini, Bixby and Google Assistant. Assistants depend on paired compatible device and account/software conditions.

Sensors and health

2 of 9 differ

In-ear detection

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)

Yes6Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 7 October 2026Wearing the earbuds. Touch-sensitive sensors detect insertion. This is not a claim of automatic playback pause on every removal.

Sensors

Not available

Hall sensor, Pressure sensor, Proximity sensor, Touch sensor1Maker product pagesamsung.com/ca/business/audio-sound/galaxy-buds/galaxy-buds3-fe-black-sm-r420nzkaxacRead 7 October 2026

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

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

Not available

Health features

Not available

Not available

Fit and durability

2 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.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.

S, M, L7Maker spec sheet (PDF)boulanger.scene7.com/is/content/Boulanger/8806097620952_f_0Read 7 October 2026Page 2 Box contents explicitly three pairs S/M/L. Includes fitted pair, not separately sold sizes.

Ear tip materials

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

Silicone11Reviewsoundguys.com/product/samsung-galaxy-buds-3-feRead 7 October 2026Design table lists plastic and silicone chassis materials. Exact Notebookcheck review separately identifies the supplied S/M/L tips as silicone. Passive isolation 66 dB database cell conflicts with original review 66 percent and is not used.13Reviewnotebookcheck.net/Premium-mid-range-headphones-with-bargain-appeal-Samsung-Galaxy-Buds3-FE-review.1211124.0.htmlRead 7 October 2026Exact Buds3 FE specifications Included in the box row explicitly names silicone ear tips in three S/M/L sets. Body and ergonomics paragraph independently calls the three tip sizes silicone.

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

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

None12Reviewwired.com/review/samsung-galaxy-buds3-feRead 7 October 2026Review explicitly says no silicone stability fin. Maker device-layout drawings show tips and stems with no fins, bands, hooks or wings.

Ear tip fit test

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

Yes6Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 7 October 2026Sound quality and effects, page 30. Earbud fit test checks fit for sound and ANC.

Dust and water rating, buds

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

IP542Press releasenews.samsung.com/us/samsung-introduces-galaxy-buds3-fe-iconic-design-enhanced-sound-galaxy-ai-integrationRead 7 October 2026Water Resistance footnote applies to earbuds only. No case IP rating is inferred.

Dust and water rating, case

Not available

Not available

Water resistance depth

Not available

Not available

Software

4 of 6 differ

Companion 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.

Galaxy Wearable6Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 7 October 2026

App platforms

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.

Android6Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 7 October 2026

User firmware updates

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)

Yes6Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 7 October 2026Earbuds software update section explicitly allows Download and install updates.

Finding network

Not available

Samsung Find1Maker product pagesamsung.com/ca/business/audio-sound/galaxy-buds/galaxy-buds3-fe-black-sm-r420nzkaxacRead 7 October 2026Services and Applications explicitly names Samsung Find.

Precision findingiUWB in the case

Not available

Not available

Live translation

Not available

Yes2Press releasenews.samsung.com/us/samsung-introduces-galaxy-buds3-fe-iconic-design-enhanced-sound-galaxy-ai-integrationRead 7 October 2026

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

5g(0.2 oz)1Maker product pagesamsung.com/ca/business/audio-sound/galaxy-buds/galaxy-buds3-fe-black-sm-r420nzkaxacRead 7 October 2026Physical specifications and launch table. One earbud with M ear tip.

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

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

Width18Height21.1Depth33.8mm(0.7 × 0.8 × 1.3 in)1Maker product pagesamsung.com/ca/business/audio-sound/galaxy-buds/galaxy-buds3-fe-black-sm-r420nzkaxacRead 7 October 2026Launch table labels width 18.0, height 21.1 and depth 33.8 mm, excluding ear tips. French sheet labels its 18 x 21.1 x 33.8 tuple Lxlxh, conflicting with the directly labelled Canada and US width/height/depth. Retained direct W/H/D labels. No tuple reordering by appearance.

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

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.

41.8g(1.5 oz)1Maker product pagesamsung.com/ca/business/audio-sound/galaxy-buds/galaxy-buds3-fe-black-sm-r420nzkaxacRead 7 October 2026

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

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

Width58.9Height48.7Depth24.4mm(2.3 × 1.9 × 1 in)1Maker product pagesamsung.com/ca/business/audio-sound/galaxy-buds/galaxy-buds3-fe-black-sm-r420nzkaxacRead 7 October 2026

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, 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

A3LSMR420L, A3LSMR420R16Owner's manualmanuals.plus/samsung/sm-r420-galaxy-buds3-fe-wireless-earbuds-manual.pdfRead 7 October 2026Republished Samsung US quick-start legal text page 4 identifies exact SM-R420 and A3LSMR420L left/A3LSMR420R right. Public indexed PDF opened. Right ID independently corroborated by FCC grant mirror. Applies to US SM-R420 radio hardware, not a claim of France FCC certification.17Regulatory filingfccid.io/A3LSMR420RRead 7 October 2026Samsung applicant FCC grant entry explicitly A3LSMR420R for SMR420R Bluetooth headset. US grant 2025-08-01. Left ID is separately stated in republished manufacturer quick-start legal text.

Other certifications

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

Not available

In the box

2 of 2 differ

In the box

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.

Galaxy Buds3 FE earbuds, Charging case, Three pairs of ear tips (S, M, L), User documentation7Maker spec sheet (PDF)boulanger.scene7.com/is/content/Boulanger/8806097620952_f_0Read 7 October 2026Page 2 France box contents: earbuds with case, three S/M/L tip pairs and user documentation. Applied only to the two France variants. No included cable or charger claimed.

Cables included

ABose 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

BSamsung Galaxy Buds3 FE

Not available

Links

Not compared

Product page

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.

www.samsung.com/ca/business/audio-sound/galaxy-buds/galaxy-buds3-fe-black-sm-r420nzkaxac1Maker product pagesamsung.com/ca/business/audio-sound/galaxy-buds/galaxy-buds3-fe-black-sm-r420nzkaxacRead 7 October 2026

Spec sheet

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.

boulanger.scene7.com/is/content/Boulanger/8806097620952_f_07Maker spec sheet (PDF)boulanger.scene7.com/is/content/Boulanger/8806097620952_f_0Read 7 October 2026Two-page Samsung France product sheet. Page 1 identifies SM-R420 and Samsung France. Page 2 visually checked.

Manual

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)

org.downloadcenter.samsung.com/downloadfile/ContentsFile.aspx6Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 7 October 2026

EPREL registration numberiId in the EU energy label database. Each size or model of a series has its own id, so it is per variant.

Not available

Not available

Warranty

1 of 1 differ

Manufacturer warranty (source market)iThe maker's warranty period for the exact SKU or configuration and market named in the source note. It applies only to that stated market, not every regional variant. Statutory consumer rights are excluded. The base term is stored. An extension that needs registration goes in the source note.

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

2years18Maker product pagesamsung.com/fr/support/warrantyRead 7 October 2026Samsung France commercial warranty lists Galaxy Buds at 24 months. This value is for the proved France SKUs SM-R420NZKAXEF and SM-R420NZAAXEF. It does not describe Canada or other markets. Statutory consumer rights are excluded.

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