Earbuds / Compare

Apple AirPods 2 vs Samsung Galaxy Buds4

A

Product A: Apple

AirPods 2

76 of 166 known

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B

Product B: Samsung

Galaxy Buds4

80 of 166 known

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All 166 fields

Every value links to where we found it.

Only differences

AApple AirPods 2

BSamsung Galaxy Buds4

General

8 of 8 differ

Series

AirPods1Maker product pagesupport.apple.com/en-us/111856Read 5 October 2026

Galaxy Buds1Maker product pagesamsung.com/de/audio-sound/galaxy-buds/galaxy-buds4-black-sm-r540nzkadbtRead 5 October 2026

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

A2031, A2032, A1938, MRXJ2AM/A2Maker product pagesupport.apple.com/en-us/109525Read 5 October 2026Identify your AirPods: A2031/A2032 are second-generation earbuds introduced in 2019. A1938 is the 2019 Qi-compatible Wireless Charging Case. A1602 and later case generations are not represented.20Retailer pagenissei.com/br/fone-de-ouvido-apple-airpods-com-estojo-de-recarga-sem-fio-mrxj2am-aRead 7 October 2026Retailer title and Part Number row: MRXJ2AM/A wireless-case package. Physical earbud A2031/A2032 and A1938 case identifiers retained.

SM-R5401Maker product pagesamsung.com/de/audio-sound/galaxy-buds/galaxy-buds4-black-sm-r540nzkadbtRead 5 October 2026

GTIN / EAN

19019876469020Retailer pagenissei.com/br/fone-de-ouvido-apple-airpods-com-estojo-de-recarga-sem-fio-mrxj2am-aRead 7 October 2026Exact Wireless Charging Case package MRXJ2AM/A, More Information table UPC 190198764690 and part number MRXJ2AM/A. This is not the wired MV7N2 package. Other incorrect marketing claims on regional page are not used.

Not available

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

20 March 20193Press releaseapple.com/newsroom/2019/03/airpods-the-worlds-most-popular-wireless-headphones-are-getting-even-betterRead 5 October 2026

25 February 20267Press releasenews.samsung.com/de/top-klang-trifft-auf-tragekomfort-samsung-prasentiert-galaxy-buds4-serieRead 5 October 2026Release opens preorder February 25 at 19 h. Not first retail.

Status

Discontinued18Press articlemacrumors.com/2024/09/10/airpods-lineup-streamlinedRead 7 October 2026September 10, 2024 report explicitly says Apple discontinued AirPods 2 and 3 with AirPods 4 launch. Covers marketed AirPods 2 family, not an asserted date for earlier wireless-case bundle withdrawal.

Not available

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

Apple AirPods 13Press releaseapple.com/newsroom/2019/03/airpods-the-worlds-most-popular-wireless-headphones-are-getting-even-betterRead 5 October 2026Apple's March 2019 release announces the second generation of AirPods and compares it with first generation AirPods.

Samsung Galaxy Buds39Measurementrtings.com/headphones/reviews/samsung/galaxy-buds4Read 5 October 2026RTINGS says the Galaxy Buds4 follow in the footsteps of the Galaxy Buds3.11Measurementrtings.com/headphones/reviews/samsung/galaxy-buds3-truly-wirelessRead 23 October 2026A notice on the RTINGS Galaxy Buds3 review says these headphones were replaced by the Samsung Galaxy Buds4.

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.

Apple AirPods 331Reviewrtings.com/headphones/reviews/apple/airpods-3rd-generation-truly-wirelessRead 23 October 2026RTINGS says the AirPods 3 follow the AirPods 2nd generation.32Press releaseapple.com/newsroom/2021/10/introducing-the-next-generation-of-airpodsRead 23 October 2026Apple's October 2021 release announces the third generation of AirPods and cuts the price of AirPods 2nd generation.

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.

$1993Press releaseapple.com/newsroom/2019/03/airpods-the-worlds-most-popular-wireless-headphones-are-getting-even-betterRead 5 October 2026Pricing and Availability explicitly gives 199 USD for the Wireless Charging Case package. The 159 USD standard-case bundle and standalone 79 USD case are different offers. US price before local sales tax. EUR tax scope unproved.

$179.996Press releasenews.samsung.com/us/samsung-galaxy-s26-series-galaxy-buds4-series-now-available-worldwideRead 5 October 2026March 11 actual US retail release states $179.99 for Buds4. February announcement rounds it to $179.

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

€1797Press releasenews.samsung.com/de/top-klang-trifft-auf-tragekomfort-samsung-prasentiert-galaxy-buds4-serieRead 5 October 2026German launch UVP 179 EUR, base Buds4.

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

US3Press releaseapple.com/newsroom/2019/03/airpods-the-worlds-most-popular-wireless-headphones-are-getting-even-betterRead 5 October 2026

Not available

ColoursiThe maker's own colour names

White4Press articlemacrumors.com/2019/03/26/airpods-2-in-store-pickup-now-availableRead 5 October 2026Same report explicitly says solely white.

Black, White1Maker product pagesamsung.com/de/audio-sound/galaxy-buds/galaxy-buds4-black-sm-r540nzkadbtRead 5 October 2026

Segment

Music3Press releaseapple.com/newsroom/2019/03/airpods-the-worlds-most-popular-wireless-headphones-are-getting-even-betterRead 5 October 2026

Not available

Design

0 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.

Semi-in-ear14Reviewsoundguys.com/apple-airpods-review-11072Read 5 October 2026Exact 2019 review says the earbuds do not seal the ear canal. Passive awareness is not an electronic Transparency mode.

Semi-in-ear2Maker product pagesamsung.com/us/audio-sound/galaxy-buds4Read 5 October 2026Exact model FAQ describes open-type design that does not seal ear. This maps to semi-in-ear, not canal-unobstructed open-ear.

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

Stem14Reviewsoundguys.com/apple-airpods-review-11072Read 5 October 2026

Stem2Maker product pagesamsung.com/us/audio-sound/galaxy-buds4Read 5 October 2026

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

Either bud6Owner's manualsupport.apple.com/en-euro/guide/airpods/dev57e5b7e58/webRead 5 October 2026Set the microphone location says either earbud works as the microphone when used alone. No simultaneous independent source playback inferred.

Either bud4Measurementsoundguys.com/samsung-galaxy-buds-4-review-154352Read 5 October 2026Exact FAQ explicitly allows either earbud to be used alone.

RGB lighting

Not available

Not available

Drivers and sound

10 of 17 differ

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

AApple AirPods 2

Not available

BSamsung Galaxy Buds4

Type	Diameter (mm)	Count per earbud
Dynamic	11	1

Source1Maker product pagesamsung.com/de/audio-sound/galaxy-buds/galaxy-buds4-black-sm-r540nzkadbtRead 5 October 2026Sound section explicitly states an 11 mm dynamic driver. Technical table states one-way speaker. One transducer per earbud.

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

Not available

Dynamic1Maker product pagesamsung.com/de/audio-sound/galaxy-buds/galaxy-buds4-black-sm-r540nzkadbtRead 5 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.

Not available

1=CalculatedFrom Drivers per bud

Diaphragm material

Not available

Not available

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

Not available

Not available

Impedance

23Ω30Reviewheadphonesty.com/2021/07/review-apple-airpodsRead 7 October 2026Bought-and-tested second-generation review, Wireless Charging Case box explicitly identified. Technical Specifications table publishes 23 Ohm. Secondary published internal-driver impedance specification, no maker value found. Not labeled a laboratory measurement, so not put in a measured field. 109 dB sensitivity lacks reference and is omitted. 5 Hz-21 kHz response conflicts Coolblue 61 Hz-21 kHz and is omitted.

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

96kHz1Maker product pagesamsung.com/de/audio-sound/galaxy-buds/galaxy-buds4-black-sm-r540nzkadbtRead 5 October 2026Footnote 5: SSC-UHQ up to 24-bit/96 kHz on listed compatible Galaxy S26/S25/S24/S23, Fold7/Flip7/Fold6/Flip6/Fold5/Flip5, Tab S11/S10/S9 with One UI 6.1.1+. Not a lossless claim.

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

24bits1Maker product pagesamsung.com/de/audio-sound/galaxy-buds/galaxy-buds4-black-sm-r540nzkadbtRead 5 October 2026Same SSC-UHQ conditions as max sample rate.

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

No17Maker product pageapple.com/ph/airpods/compareRead 7 October 2026Exact AirPods (2nd generation) column, ninth product in public comparison data. Adaptive EQ row explicitly labels Adaptive EQ unavailable.

Yes1Maker product pagesamsung.com/de/audio-sound/galaxy-buds/galaxy-buds4-black-sm-r540nzkadbtRead 5 October 2026

Personalised soundiA profile from a hearing test or ear scan

Not available

Not available

Onboard EQ

Not available

Yes5Maker spec sheet (PDF)image-us.samsung.com/SamsungUS/home/mobile/audio-sound/galaxy-buds4/Buds4F-Available-Features-by-Device-As-of-2026-03-03.pdfRead 5 October 2026Page 1 Equalizer row for other Bluetooth devices has the double-asterisk condition: enable the setting through an Android device and Wear app, then it remains enabled until disabled through the same app process. This establishes on-earbud setting persistence, not an iOS control app.

Custom EQ bandsiNumber of independently adjustable custom equalizer frequency bands. Availability may require current firmware, an app or a compatible device.

Not available

91Maker product pagesamsung.com/de/audio-sound/galaxy-buds/galaxy-buds4-black-sm-r540nzkadbtRead 5 October 2026

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

Not available

Not available

Volume limit

Not available

Not available

Spatial audio

2 of 2 differ

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

Not available

360 Audio1Maker product pagesamsung.com/de/audio-sound/galaxy-buds/galaxy-buds4-black-sm-r540nzkadbtRead 5 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.

No12Owner's manualsupport.apple.com/en-sg/guide/airpods/dev00eb7e0a3/webRead 5 October 2026Current Spatial Audio/head tracking eligibility names AirPods 3/4/5, Pro and Max. AirPods 2 is excluded. No later-generation spatial or personalised ear-scan feature is inherited.

Yes1Maker product pagesamsung.com/de/audio-sound/galaxy-buds/galaxy-buds4-black-sm-r540nzkadbtRead 5 October 2026360 Audio footnote 8 explicitly covers head tracking with compatible Galaxy phones/tablets One UI 3.1+ and listed Samsung TVs. App/content support can vary.

Noise cancelling

5 of 11 differ

Active noise cancelling

No14Reviewsoundguys.com/apple-airpods-review-11072Read 5 October 2026Exact review explicitly zero noise cancellation. No noise-control rows copied from Pro.

Yes1Maker product pagesamsung.com/de/audio-sound/galaxy-buds/galaxy-buds4-black-sm-r540nzkadbtRead 5 October 2026

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

Not available

Not available

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

Not available

Not available

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

Not available

Yes1Maker product pagesamsung.com/de/audio-sound/galaxy-buds/galaxy-buds4-black-sm-r540nzkadbtRead 5 October 2026Sound control section says cancellation strength adjusts in real time to surrounding noise and accounts for ear shape and wearing habits.10Maker product pagesamsung.com/ie/audio-sound/galaxy-buds/galaxy-buds4-white-sm-r540nzwaeubRead 5 October 2026Previous paragraph explicitly states ANC algorithm processes and adapts to ear shape/fit in real time.

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

Not available

Not available

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

Not available

Not available

Transparency mode

No17Maker product pageapple.com/ph/airpods/compareRead 7 October 2026Exact AirPods (2nd generation) column, ninth product in public comparison data. Transparency row explicitly labels Transparency mode unavailable.

Yes1Maker product pagesamsung.com/de/audio-sound/galaxy-buds/galaxy-buds4-black-sm-r540nzkadbtRead 5 October 2026

Adjustable transparency

Not available

No3Owner's manualdownloadcenter.samsung.com/content/UM/202603/20260311043809413/WEA_R540_R640_EN_UG_YLA_022626_FINAL.pdfRead 5 October 2026Pages 23/32 explicitly limit ambient volume/hearing-enhancement sliders to Buds4 Pro. Standard Buds4 has ambient mode without these adjustments.

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

No17Maker product pageapple.com/ph/airpods/compareRead 7 October 2026Exact AirPods (2nd generation) column, ninth product in public comparison data. Adaptive Audio row explicitly labels Adaptive Audio unavailable.

Yes1Maker product pagesamsung.com/de/audio-sound/galaxy-buds/galaxy-buds4-black-sm-r540nzkadbtRead 5 October 2026Exact model technical table lists Adaptive noise control. Manual and linked compatibility table cover the adaptive noise-control mode for both models.10Maker product pagesamsung.com/ie/audio-sound/galaxy-buds/galaxy-buds4-white-sm-r540nzwaeubRead 5 October 2026Listen to music while staying connected paragraph explicitly says Galaxy Buds4 adjusts levels of ANC and ambient sound in real time according to environment, with blending. Exact standard model, not Pro.

Conversation detection

No17Maker product pageapple.com/ph/airpods/compareRead 7 October 2026Exact AirPods (2nd generation) column, ninth product in public comparison data. Conversation Awareness row explicitly labels Conversation Awareness unavailable.

No3Owner's manualdownloadcenter.samsung.com/content/UM/202603/20260311043809413/WEA_R540_R640_EN_UG_YLA_022626_FINAL.pdfRead 5 October 2026Page 23 and compatibility PDF explicitly limit automatic ambient switching when speaking to Buds4 Pro.

Wind noise reductioniA documented physical design or processing feature for reducing wind noise. The source note distinguishes mesh or shape changes from selectable processing.

Not available

Not available

Measured

7 of 23 differ

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

Measured response has reduced sub-bass and emphasized midrange. The unsealed fit limits low-frequency reproduction.14Reviewsoundguys.com/apple-airpods-review-11072Read 5 October 2026Exact model lab curve and discussion. Fixture, target revision, firmware and frequency-test codec unstated. No graph points or rating converted into numerical dB.

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Recorded speech samples cover quiet, street and windy conditions. The review finds voice pickup usable for conference calls.14Reviewsoundguys.com/apple-airpods-review-11072Read 5 October 2026Published ideal/street/windy demos. Recording firmware and codec unstated.

The reviewed unit records intelligible speech in quiet settings, but background noise introduces distortion and makes calls harder to understand.9Measurementrtings.com/headphones/reviews/samsung/galaxy-buds4Read 5 October 2026Public microphone verdict for White review unit. Numeric lab results are membership-only and were not accessed. Firmware is not stated in public verdict.

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

AApple AirPods 2

Connection	Platform	Latency (ms)
Bluetooth	iOS	178

Source29Measurementstephencoyle.net/airpods-proRead 7 October 2026December 21, 2019, exact second-generation AirPods result 178 ms. 2018 iPad Pro running iOS 13 as named by author. Apple Pencil screen tap to audible earbud waveform, shotgun mic recorder. 10 Tapt events plus 9 keyboard events, 90 bpm, average 19. Includes input and software delay, not Bluetooth transport alone and not video lip-sync. Codec, firmware, case edition and loudness unstated. Case edition does not change A2031/A2032 earbud hardware. No dedicated low-latency mode inferred from Tapt's continuous audio session.

BSamsung Galaxy Buds4

Not available

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

178ms=CalculatedFrom Latency (measured)

Not available

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

Not available

Not available

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

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.

AApple AirPods 2

ANC	Codec	Hours (h)
No	AAC	4.12

Source14Reviewsoundguys.com/apple-airpods-review-11072Read 5 October 2026Objective continuous playback at 75 dB with iPhone X over AAC lasts 4 h 7 min. Test firmware/app unstated. Case recharges excluded. Android 3 h 29 min prose lacks equally clear sample/codec context and is omitted.

BSamsung Galaxy Buds4

Hours (h)
4.93

Source4Measurementsoundguys.com/samsung-galaxy-buds-4-review-154352Read 5 October 2026Battery section standardized one-charge earbuds test 4 h 56 min. Exact black SM-R540NZKFXAR review unit. ANC, codec and firmware not explicitly stated for that result, so omitted from row.

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

4.12h=CalculatedFrom Battery life (measured)

4.93h=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

30min23Measurementrtings.com/headphones/reviews/apple/airpods-2nd-generation-truly-wirelessRead 7 October 2026Public Commute/Travel verdict says earbuds take 30 minutes to fully charge. RTINGS tested Qi-case variant, Methodology 1.5, review updated 2021. Charge method defines 0 to 100 using LED time-lapse with no playback load. Firmware, case initial charge, adapter and ambient temperature unstated. This is earbuds charge, not empty-case charge.24Measurementrtings.com/headphones/tests/active-features/battery-lifeRead 7 October 2026Charge Time method: empty to full, time-lapse LED monitoring, no load while charging. Method documented separately from the model's publicly stated 30 minute result. Full lab result blocks were not accessed.

Not available

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

Not available

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.

Not available

61Maker product pagesamsung.com/de/audio-sound/galaxy-buds/galaxy-buds4-black-sm-r540nzkadbtRead 5 October 2026Call paragraph and footnote 7 explicitly give three microphones per earbud, six across the pair, isolating voice for calls. VPU is excluded.

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.

Not available

61Maker product pagesamsung.com/de/audio-sound/galaxy-buds/galaxy-buds4-black-sm-r540nzkadbtRead 5 October 2026Technical table Anzahl Mikrofone states 6. Footnote 7 explicitly states 6 across pair.

Bone conduction voice sensoriA dedicated bone or jaw conduction sensor for detecting speech vibrations. A microphone or speech-detecting accelerometer alone does not prove this architecture.

Not available

Not available

Mic noise reduction

Not available

AI1Maker product pagesamsung.com/de/audio-sound/galaxy-buds/galaxy-buds4-black-sm-r540nzkadbtRead 5 October 2026Call section explicitly names Deep Neural Network voice separation.

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

Not available

Super wideband1Maker product pagesamsung.com/de/audio-sound/galaxy-buds/galaxy-buds4-black-sm-r540nzkadbtRead 5 October 2026Call section and footnote 7: 16 kHz super wideband on compatible Galaxy S26/S25, Fold7/Flip7/Fold6/Flip6, A56, Tab S11/Tab S10 with One UI 6.1.1+. Mobile-network support can vary.

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

Not available

Not available

SidetoneiHear your own voice in calls

Not available

Not available

Connectivity

10 of 18 differ

Chip

H11Maker product pagesupport.apple.com/en-us/111856Read 5 October 2026

Not available

Connections

Bluetooth5Owner's manualcdsassets.apple.com/live/6GJYWVAV/start/ma1852_airpods-2gen-qsg.pdfRead 5 October 2026

Bluetooth1Maker product pagesamsung.com/de/audio-sound/galaxy-buds/galaxy-buds4-black-sm-r540nzkadbtRead 5 October 2026

Bluetooth

5.01Maker product pagesupport.apple.com/en-us/111856Read 5 October 2026

6.11Maker product pagesamsung.com/de/audio-sound/galaxy-buds/galaxy-buds4-black-sm-r540nzkadbtRead 5 October 2026

Bluetooth codecs

SBC, AAC13Reviewsoundguys.com/airpods-2nd-generation-vs-apple-airpods-3rd-generation-61838Read 5 October 2026Exact second-generation connectivity comparison explicitly names both music codecs. No LE Audio, LC3 or lossless claim from Bluetooth version alone.

AAC, SBC, Samsung Seamless, SSC UHQ, LC31Maker product pagesamsung.com/de/audio-sound/galaxy-buds/galaxy-buds4-black-sm-r540nzkadbtRead 5 October 2026

Bluetooth profiles

A2DP, HSP, HFP, AVRCP25Retailer pagecoolblue.be/fr/produit/828805/apple-airpods-2.htmlRead 7 October 2026Bluetooth section explicitly lists all four profiles for second-generation earbuds. This retailer lists wired-case MV7N2ZM/A package, whose A2031/A2032 earbud hardware is shared with A1938 wireless-case package. Only earbud Bluetooth profiles are used, no case facts inherited.

A2DP, AVRCP, HFP, PBP, TMAP1Maker product pagesamsung.com/de/audio-sound/galaxy-buds/galaxy-buds4-black-sm-r540nzkadbtRead 5 October 2026

LE Audio

Not available

Yes1Maker product pagesamsung.com/de/audio-sound/galaxy-buds/galaxy-buds4-black-sm-r540nzkadbtRead 5 October 2026Exact technical LE Audio yes, footer says LC3 requires compatible LE Audio source.

Auracast

Not available

Yes3Owner's manualdownloadcenter.samsung.com/content/UM/202603/20260311043809413/WEA_R540_R640_EN_UG_YLA_022626_FINAL.pdfRead 5 October 2026Page 33 Listen to audio broadcast, corroborated exact global technical table Auracast. Compatible source/assistant required.

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

No21Reviewsoundguys.com/apple-airpods-review-11072Read 7 October 2026Frequently asked questions explicitly says no Bluetooth multipoint. Apple account automatic switching is a distinct feature, already retained.

No4Measurementsoundguys.com/samsung-galaxy-buds-4-review-154352Read 5 October 2026Connectivity section explicitly says no true multipoint. Samsung-account switching is separate.

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

Not available

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.

Not available

Not available

Automatic switching between own devicesiThrough the maker's account

Yes7Maker product pagesupport.apple.com/en-us/104988Read 5 October 2026Explicit AirPods 2 compatibility. Latest host operating systems, same Apple Account and two-factor authentication required. This is account-based automatic routing, not proof of generic Bluetooth multipoint.

Yes3Owner's manualdownloadcenter.samsung.com/content/UM/202603/20260311043809413/WEA_R540_R640_EN_UG_YLA_022626_FINAL.pdfRead 5 October 2026Pages 29/30 switch connections among nearby own Galaxy devices for calls/media. This is not general Bluetooth multipoint.

Fast pairing

Apple one-tap setup5Owner's manualcdsassets.apple.com/live/6GJYWVAV/start/ma1852_airpods-2gen-qsg.pdfRead 5 October 2026Page 2 iPhone setup: open case near unlocked iPhone and follow Connect prompt. Requires compatible Apple software. Android pairing remains conventional Bluetooth.

Not available

Audio sharingiShare one stream with a second pair

Yes10Owner's manualsupport.apple.com/en-sg/guide/airpods/aside/iph9b2d76d2f/27/web/27Read 5 October 2026Current maker compatibility list explicitly includes all AirPods models. Requires supported iPhone/iPad and another compatible Apple/Beats pair. It is one source shared to two pairs, not multipoint.

Not available

Wireless range (claimed)

Not available

Not available

Wireless receiveri2.4 GHz dongle

None22Reviewrtings.com/headphones/reviews/apple/airpods-2nd-generation-truly-wirelessRead 7 October 2026Public Wireless Gaming verdict explicitly Bluetooth-only headphones. No proprietary 2.4 GHz receiver route. Variants section says actual test unit used Qi wireless charging case.

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.

No22Reviewrtings.com/headphones/reviews/apple/airpods-2nd-generation-truly-wirelessRead 7 October 2026Same Bluetooth-only verdict excludes a concurrent proprietary 2.4 GHz audio route. This does not confuse Bluetooth's radio frequency with a dedicated 2.4 GHz mode.

Not available

Latency

1 of 3 differ

Low latency mode

Not available

Yes3Owner's manualdownloadcenter.samsung.com/content/UM/202603/20260311043809413/WEA_R540_R640_EN_UG_YLA_022626_FINAL.pdfRead 5 October 2026Page 32 Gaming Mode minimizes audio delay on Samsung mobile device. No numerical latency inferred.

Claimed latency

Not available

Not available

Lowest claimed latency

Not available

Not available

Compatibility

3 of 4 differ

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

iOS, macOS, Android8Maker product pagesupport.apple.com/en-us/108786Read 5 October 2026

Android, iOS, Windows2Maker product pagesamsung.com/us/audio-sound/galaxy-buds4Read 5 October 2026FAQ and linked feature compatibility PDF explicitly support Android, iOS and PC Bluetooth streaming. Advanced Galaxy-only features have separate requirements.

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.

AApple AirPods 2

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

Source8Maker product pagesupport.apple.com/en-us/108786Read 5 October 2026Mac pairing and Android/non-Apple Bluetooth headset chapter. Siri and Apple integration are unavailable on Android. The Android listen-and-talk statement proves its microphone path. No gaming-console compatibility inferred from generic Bluetooth.

BSamsung Galaxy Buds4

Not available

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

AApple AirPods 2

Feature	Needs
Headphone Accommodations and Custom Audio Setup	Supported iPhone or iPad with iOS or iPadOS 14 or later. Settings > Accessibility > Audio & Visual > Headphone Accommodations.

Source26Maker product pagesupport.apple.com/en-us/102663Read 7 October 2026Exact compatibility list includes AirPods 2. Current Custom Audio Setup compares audio samples and suggests settings based on preferences. This is host accessibility customization, not proof of a hearing threshold test, ear scan or onboard EQ. No Mac support for AirPods 2 inferred from Pro 2-only Mac guide.

BSamsung Galaxy Buds4

Feature	Needs
Head gestures	Compatible Galaxy device with One UI 8.5 or later. Feature off by default.
Advanced settings	Android 12 or later with at least 1.5 GB RAM according to exact current model footnotes. Galaxy Wearable on Android or compatible Galaxy device settings. Some features require Samsung Account.
SSC-UHQ and super wideband calls	Compatible listed Galaxy phones/tablets and required software. UHQ 24-bit/96 kHz and SWB 16 kHz are Galaxy-only. Mobile network can restrict SWB.
Auto Switch	Supported Galaxy devices signed into same Samsung Account after initial setup. Internet and Bluetooth required. Not general Bluetooth multipoint.
Live Translate and Interpreter	Compatible Galaxy AI phone. Interpreter requires One UI 6.1.1+. Supported languages and account/software requirements vary. Translation runs on phone.
Gaming Mode	Compatible Samsung mobile device.

Source5Maker spec sheet (PDF)image-us.samsung.com/SamsungUS/home/mobile/audio-sound/galaxy-buds4/Buds4F-Available-Features-by-Device-As-of-2026-03-03.pdfRead 5 October 2026Page 1 matrix covers Buds4 in its own column, not only Pro. Footnote 3 and page 2 require One UI 8.5+ for head gestures. Exact maker page footnotes provide stricter Android 12 setting requirement and UHQ/SWB device conditions. Launch prose says Pro only head gestures, but actual Buds4 manual/current compatibility PDF confirm support.

Official licence

Not available

Not available

Battery and charging

10 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

45mAh1Maker product pagesamsung.com/de/audio-sound/galaxy-buds/galaxy-buds4-black-sm-r540nzkadbtRead 5 October 2026Typical 45 mAh per earbud, not rated 42 mAh.

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.

AApple AirPods 2

Mode	Includes case recharges	Hours (h)
ANC off	No	5
ANC off	Yes	24
Call	No	3

Source1Maker product pagesupport.apple.com/en-us/111856Read 5 October 2026Up to 5 h earbuds-only. More than 24 h including case, stored as a lower bound of 24. Maker February 2019 preproduction test paired iPhone Xs Max, 50% volume, 358 iTunes tracks encoded at 256 kbps AAC. File encoding does not establish transmitted Bluetooth codec, so codec omitted. Playback ends when the first earbud stops. Case-inclusive test repeats recharge and playback to empty.28Maker product pageapple.com/eg/airpods-2nd-generation/specsRead 7 October 2026AirPods battery row explicitly up to 3 hours talk time from one earbud charge. Only earbuds-only call row used. This is same A2031/A2032 hardware as the wireless-case package. Page case-inclusive 18 h is labeled Lightning case and is not borrowed for A1938. Test call conditions not exposed in this readable page. No codec, volume, host or firmware inferred.

BSamsung Galaxy Buds4

Mode	Includes case recharges	Hours (h)
ANC on	No	5
ANC off	No	6
ANC on	Yes	24
ANC off	Yes	30
Call	No	4
Call	Yes	20

Source1Maker product pagesamsung.com/de/audio-sound/galaxy-buds/galaxy-buds4-black-sm-r540nzkadbtRead 5 October 2026Music table 5/6 h earbuds-only and 24/30 h total with case ANC on/off. Call table stored ANC off 4/20 h, because call enum cannot distinguish ANC state. ANC on 3.5/18 h omitted.

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.

5h=CalculatedFrom Claimed battery life

6h=CalculatedFrom Claimed battery life

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

Not available

5h=CalculatedFrom Claimed battery life

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

5h=CalculatedFrom Claimed battery life

6h=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.

24h=CalculatedFrom Claimed battery life

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)

3h=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.

Not available

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.

15min1Maker product pagesupport.apple.com/en-us/111856Read 5 October 2026

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.

3h1Maker product pagesupport.apple.com/en-us/111856Read 5 October 2026Maker 15 min in the case with drained earbuds provides up to 3 h earbuds-only playback. Same February 2019 iPhone/playlist/50% volume test. Not a claim for charging the case itself.

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.

398mAh15Reviewifixit.com/Teardown/AirPods+2+Teardown/121471Read 5 October 2026Steps 4/10 exact A1938 case marking and A1596 battery: 398 mAh, 3.81 V, 1.52 Wh. This is case-cell capacity, not earbuds or output capacity. Earbud 93 mWh is not converted to mAh. Teardown quoted original case 40 g corroborates exact standalone maker case sheet 111860, preferred over shared mixed-case 38.2 g row 111856.

515mAh1Maker product pagesamsung.com/de/audio-sound/galaxy-buds/galaxy-buds4-black-sm-r540nzkadbtRead 5 October 2026Typical 515 mAh, not rated 500 mAh.

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

Lightning1Maker product pagesupport.apple.com/en-us/111856Read 5 October 2026

USB-C3Owner's manualdownloadcenter.samsung.com/content/UM/202603/20260311043809413/WEA_R540_R640_EN_UG_YLA_022626_FINAL.pdfRead 5 October 2026

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

Not available

Not available

Wireless charging

Yes1Maker product pagesupport.apple.com/en-us/111856Read 5 October 2026

Yes2Maker product pagesamsung.com/us/audio-sound/galaxy-buds4Read 5 October 2026

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

Qi1Maker product pagesupport.apple.com/en-us/111856Read 5 October 2026

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

No4Measurementsoundguys.com/samsung-galaxy-buds-4-review-154352Read 5 October 2026Design section explicitly states there is no speaker in the charging case.

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

4 of 5 differ

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

Touch, Voice commands5Owner's manualcdsassets.apple.com/live/6GJYWVAV/start/ma1852_airpods-2gen-qsg.pdfRead 5 October 2026Page 1 double tap on an earbud and hands-free Hey Siri. Case pairing button is not an earbud playback control.

Pressure, Swipe, Head gestures3Owner's manualdownloadcenter.samsung.com/content/UM/202603/20260311043809413/WEA_R540_R640_EN_UG_YLA_022626_FINAL.pdfRead 5 October 2026Page 17 controls table and page 25 head gestures. Voice commands are Pro only and are not transferred to Buds4.

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

Voice3Press releaseapple.com/newsroom/2019/03/airpods-the-worlds-most-popular-wireless-headphones-are-getting-even-betterRead 5 October 2026Original release explicitly says hands-free Hey Siri can adjust volume. There is no stem swipe or physical volume button.

Swipe3Owner's manualdownloadcenter.samsung.com/content/UM/202603/20260311043809413/WEA_R540_R640_EN_UG_YLA_022626_FINAL.pdfRead 5 October 2026

Gestures

Double tap5Owner's manualcdsassets.apple.com/live/6GJYWVAV/start/ma1852_airpods-2gen-qsg.pdfRead 5 October 2026

Single pinch, Double pinch, Triple pinch, Pinch and hold, Swipe up or down, Nod or shake head3Owner's manualdownloadcenter.samsung.com/content/UM/202603/20260311043809413/WEA_R540_R640_EN_UG_YLA_022626_FINAL.pdfRead 5 October 2026Pages 17/25. Head gestures require current compatible Galaxy software. Maker current compatibility PDF and US footnote 8 require One UI 8.5+, rather than older manual One UI 8.0.

Remappable controls

Yes6Owner's manualsupport.apple.com/en-euro/guide/airpods/dev57e5b7e58/webRead 5 October 2026AirPods 1/2 double-tap action can be selected separately for each earbud. No arbitrary extra gesture or dedicated mute control inferred.

Yes3Owner's manualdownloadcenter.samsung.com/content/UM/202603/20260311043809413/WEA_R540_R640_EN_UG_YLA_022626_FINAL.pdfRead 5 October 2026Page 24 left and right pinch-and-hold shortcuts can be assigned independently.

Voice assistant

Siri5Owner's manualcdsassets.apple.com/live/6GJYWVAV/start/ma1852_airpods-2gen-qsg.pdfRead 5 October 2026

Bixby, Google Gemini1Maker product pagesamsung.com/de/audio-sound/galaxy-buds/galaxy-buds4-black-sm-r540nzkadbtRead 5 October 2026

Sensors and health

4 of 9 differ

In-ear detection

Yes6Owner's manualsupport.apple.com/en-euro/guide/airpods/dev57e5b7e58/webRead 5 October 2026Turn off automatic ear detection describes stop/resume when removed/reinserted. Settings and ecosystem features require supported Apple hosts.

Yes3Owner's manualdownloadcenter.samsung.com/content/UM/202603/20260311043809413/WEA_R540_R640_EN_UG_YLA_022626_FINAL.pdfRead 5 October 2026Page 31 In-ear detection routes calls according to whether buds are worn. Automatic media pause is not inferred.

Sensors

Dual optical sensors, Motion-detecting accelerometer, Speech-detecting accelerometer1Maker product pagesupport.apple.com/en-us/111856Read 5 October 2026Published sensor types. Dual beamforming microphones lack an explicit per-earbud count scope, so no physical microphone count is inferred. A speech-detecting accelerometer is not proof of a bone-conduction sensor.

Accelerometer, Gyroscope, Hall sensor, Pressure sensor, Proximity sensor, Touch sensor, Voice Pickup Unit1Maker product pagesamsung.com/de/audio-sound/galaxy-buds/galaxy-buds4-black-sm-r540nzkadbtRead 5 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

No17Maker product pageapple.com/ph/airpods/compareRead 7 October 2026Exact AirPods (2nd generation) column, ninth product in public comparison data. Hearing Health row explicitly labels Hearing health unavailable. Footnote 10 limits Hearing Test and Hearing Aid to AirPods Pro 2 and later. Live Listen is a separate host-microphone accessibility route.

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

No17Maker product pageapple.com/ph/airpods/compareRead 7 October 2026Exact AirPods (2nd generation) column, ninth product in public comparison data. Hearing Health row explicitly labels Hearing health unavailable. Refers to environmental hearing protection, not phone media volume limits.

Not available

Health features

Not available

Neck stretch reminders3Owner's manualdownloadcenter.samsung.com/content/UM/202603/20260311043809413/WEA_R540_R640_EN_UG_YLA_022626_FINAL.pdfRead 5 October 2026Page 31 detects head bent down 10 minutes and recommends neck stretching. Requires calibration.

Fit and durability

3 of 7 differ

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

Not available

Not available

Ear tip materials

Not available

Not available

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

Not available

None4Measurementsoundguys.com/samsung-galaxy-buds-4-review-154352Read 5 October 2026Design/ANC discussion explicitly states no ear tip, fin or secondary anchor. No stabilizer is present.

Ear tip fit test

Not available

No3Owner's manualdownloadcenter.samsung.com/content/UM/202603/20260311043809413/WEA_R540_R640_EN_UG_YLA_022626_FINAL.pdfRead 5 October 2026Page 28 explicitly limits Earbud fit test to Buds4 Pro.

Dust and water rating, buds

Not available

IP541Maker product pagesamsung.com/de/audio-sound/galaxy-buds/galaxy-buds4-black-sm-r540nzkadbtRead 5 October 2026

Dust and water rating, case

Not available

Not available

Water resistance depth

Not available

Not available

Software

5 of 6 differ

Companion app

Not available

Galaxy Wearable3Owner's manualdownloadcenter.samsung.com/content/UM/202603/20260311043809413/WEA_R540_R640_EN_UG_YLA_022626_FINAL.pdfRead 5 October 2026Pages 21/22 allow Galaxy Wearable or Galaxy device settings. Current exact maker model footnotes require Android 12+ and minimum 1.5 GB RAM for advanced configuration.

App platforms

Not available

Android3Owner's manualdownloadcenter.samsung.com/content/UM/202603/20260311043809413/WEA_R540_R640_EN_UG_YLA_022626_FINAL.pdfRead 5 October 2026

User firmware updates

Yes9Maker product pagesupport.apple.com/en-us/106340Read 5 October 2026Exact AirPods 2 appears in current firmware list at 6F21. Updates are delivered while charging near a Wi-Fi-connected iPhone, iPad or Mac. No Android updater or future feature promise inferred.

Yes3Owner's manualdownloadcenter.samsung.com/content/UM/202603/20260311043809413/WEA_R540_R640_EN_UG_YLA_022626_FINAL.pdfRead 5 October 2026Page 34 Earbuds software update instructions.

Finding network

Last location in the app11Owner's manualsupport.apple.com/en-am/guide/airpods/dev8e8b93d71/webRead 5 October 2026Find My works with all models, but the explicit offline Find My network list excludes AirPods 2. Its app shows the last connected time/place when offline. No crowd-based offline network claimed.

Samsung Find1Maker product pagesamsung.com/de/audio-sound/galaxy-buds/galaxy-buds4-black-sm-r540nzkadbtRead 5 October 2026

Precision findingiUWB in the case

No11Owner's manualsupport.apple.com/en-am/guide/airpods/dev8e8b93d71/webRead 5 October 2026Current guide reserves UWB case precision finding for AirPods Pro 2/3. It is not supported by A1938.

Not available

Live translation

Not available

Yes1Maker product pagesamsung.com/de/audio-sound/galaxy-buds/galaxy-buds4-black-sm-r540nzkadbtRead 5 October 2026Exact model interpreter paragraph and footnote 12: translation is performed on compatible Galaxy AI phone One UI 6.1.1+, played through earbuds.

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.

4g(0.1 oz)1Maker product pagesupport.apple.com/en-us/111856Read 5 October 2026

4.6g(0.2 oz)1Maker product pagesamsung.com/de/audio-sound/galaxy-buds/galaxy-buds4-black-sm-r540nzkadbtRead 5 October 2026

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

Width16.5Height40.5Depth18mm(0.6 × 1.6 × 0.7 in)1Maker product pagesupport.apple.com/en-us/111856Read 5 October 2026Size and Weight explicitly labels width, height and depth for each earbud. These are not dimensions of the pair.

Width18.3Height30.5Depth19.3mm(0.7 × 1.2 × 0.8 in)1Maker product pagesamsung.com/de/audio-sound/galaxy-buds/galaxy-buds4-black-sm-r540nzkadbtRead 5 October 2026Exact technical HxWxD table 30.5 x 18.3 x 19.3 mm.

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

40g(1.4 oz)27Maker product pagesupport.apple.com/en-us/111860Read 7 October 2026Exact 2019 Wireless Charging Case technical sheet: 40 g, empty standalone case, compatible with AirPods 1 and 2. Apple Identify Your AirPods 109525 maps this 2019 Qi case to A1938. More specific A1938-only maker row takes precedence over shared Lightning-or-Wireless 38.2 g row 111856, which remains a documented contradiction. Not applicable to wired A1602. Exact-case primary source resolution approved by manager.

45.1g(1.6 oz)1Maker product pagesamsung.com/de/audio-sound/galaxy-buds/galaxy-buds4-black-sm-r540nzkadbtRead 5 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.

Width44.3Height53.5Depth21.3mm(1.7 × 2.1 × 0.8 in)1Maker product pagesupport.apple.com/en-us/111856Read 5 October 2026Exact published case axis labels. The same body dimensions are listed for both case versions.

Width28.3Height51Depth51mm(1.1 × 2 × 2 in)1Maker product pagesamsung.com/de/audio-sound/galaxy-buds/galaxy-buds4-black-sm-r540nzkadbtRead 5 October 2026Exact technical HxWxD table 51 x 28.3 x 51 mm.

Certifications

0 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

BCG-A2031, BCG-A203216Owner's manualcdsassets.apple.com/live/6GJYWVAV/information/ma1861_airpods-2nd-gen-wireless-case-info.pdfRead 5 October 2026Original 20-page Wireless Charging Case package safety/regulatory leaflet. US Certification Number table explicitly gives both earbud FCC IDs. No charging-case FCC identifier inferred.

Not available

Other certifications

Not available

Not available

In the box

2 of 2 differ

In the box

AirPods 2, Wireless Charging Case, Lightning to USB-A cable, Documentation1Maker product pagesupport.apple.com/en-us/111856Read 5 October 2026Wireless A1938 package only. Cable length unstated. No adapter supplied in the published complete list.

Galaxy Buds4 earbuds, Charging case, Quick Start Guide2Maker product pagesamsung.com/us/audio-sound/galaxy-buds4Read 5 October 2026Exact model FAQ lists earbuds, case and Quick Start Guide. USB-C cable and charger excluded.

Cables included

AApple AirPods 2

Type	Count
Lightning to USB-A cable	1

Source1Maker product pagesupport.apple.com/en-us/111856Read 5 October 2026

BSamsung Galaxy Buds4

Not available

Links

Not compared

Product page

support.apple.com/en-us/1118561Maker product pagesupport.apple.com/en-us/111856Read 5 October 2026

www.samsung.com/de/audio-sound/galaxy-buds/galaxy-buds4-black-sm-r540nzkadbt1Maker product pagesamsung.com/de/audio-sound/galaxy-buds/galaxy-buds4-black-sm-r540nzkadbtRead 5 October 2026

Spec sheet

support.apple.com/en-us/1118561Maker product pagesupport.apple.com/en-us/111856Read 5 October 2026Exact 2019 AirPods 2. Reference package uses Wireless Charging Case A1938. The standard wired-only A1602 package is excluded from this file. Current shared case weight 38.2 g conflicts with the contemporary A1938 teardown specification of 40 g. Case weight now uses 40 g from the exact standalone Wireless Charging Case maker sheet 111860, which is more specific than this mixed-case row. Contradiction remains source-qualified. No standalone maker PDF datasheet found.

Not available

Manual

cdsassets.apple.com/live/6GJYWVAV/start/ma1852_airpods-2gen-qsg.pdf5Owner's manualcdsassets.apple.com/live/6GJYWVAV/start/ma1852_airpods-2gen-qsg.pdfRead 5 October 2026Original 2019 two-page Quick Start Guide for the Wireless Charging Case package, linked by Apple document identity 300122. Both sides read. Current complete user-guide chapters separately establish remapping and wear detection.

downloadcenter.samsung.com/content/UM/202603/20260311043809413/WEA_R540_R640_EN_UG_YLA_022626_FINAL.pdf3Owner's manualdownloadcenter.samsung.com/content/UM/202603/20260311043809413/WEA_R540_R640_EN_UG_YLA_022626_FINAL.pdfRead 5 October 2026Cover identifies Galaxy Buds4 and Buds4 Pro, separate layouts pages 4/5.

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.

1year19Maker product pageapple.com/legal/warranty/products/accessory-warranty-english.htmlRead 7 October 2026Apple One (1) Year Limited Warranty for Accessories, Worldwide English version, November 9, 2023. Apple-branded hardware and included accessories covered for one year from original retail purchase. US reference package, statutory rights separate.

Not available

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