Earbuds / Compare

Samsung Galaxy Buds2 Pro vs TOZO A1

A

Product A: Samsung

Galaxy Buds2 Pro

92 of 166 known

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B

Product B: TOZO

A1

51 of 166 known

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Every value links to where we found it.

Only differences

ASamsung Galaxy Buds2 Pro

BTOZO A1

General

7 of 8 differ

Series

Galaxy Buds1Maker product pagesamsung.com/uk/business/audio-sound/galaxy-buds/galaxy-buds2-pro-graphite-sm-r510nzaaeuaRead 5 October 2026

A Series1Maker product pagetozostore.com/products/a1Read 15 October 2026The store tags the product as A Series.

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

SM-R510, SM-R510NZAAEUA1Maker product pagesamsung.com/uk/business/audio-sound/galaxy-buds/galaxy-buds2-pro-graphite-sm-r510nzaaeuaRead 5 October 2026Exact UK Graphite reference SKU. Color finishes and shared original hardware generation are not separate catalog products. French, US and newer Buds3/4 SKU numbers are excluded.

A1 Mini1Maker product pagetozostore.com/products/a1Read 15 October 2026Tech specs row Model: A1 Mini. The pairing name is TOZO-A1. No regulatory model code is published.

GTIN / EAN

Not available

6971681319900, 6971681319887, 6971681319870, 6971681319894, 6971681319856, 69716813198638Maker product pagetozostore.com/products/a1.jsRead 15 October 2026Store barcode field for the colours Black 6971681319900, Blue 6971681319887, Green 6971681319870, Light Khaki 6971681319894, White 6971681319856 and Rose Gold 6971681319863. The Orange, Purple and Light Purple options carry internal codes that are not valid barcodes, so they are left out. ShopSavvy lists a different barcode, 6971681317265, for a green A1.

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

10 August 20224Press releasenews.samsung.com/us/samsung-galaxy-z-flip4-galaxy-z-fold4-unpacked-2022-most-versatile-smartphonesRead 5 October 2026

Not available

Status

Not available

Available8Maker product pagetozostore.com/products/a1.jsRead 15 October 2026The store lists the product as available on 2026-10-15.

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

Samsung Galaxy Buds Pro20Reviewgsmarena.com/samsung_galaxy_buds2_pro_review-news-55883.phpRead 23 October 2026GSMArena's review calls the Galaxy Buds2 Pro the successor of the Galaxy Buds Pro.21Reviewtomsguide.com/reviews/samsung-galaxy-buds-2-proRead 23 October 2026Tom's Guide's review says the Galaxy Buds 2 Pro replaces the Galaxy Buds Pro.

Not available

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

Samsung Galaxy Buds3 Pro19Measurementrtings.com/headphones/reviews/samsung/galaxy-buds3-pro-truly-wirelessRead 23 October 2026RTINGS calls the Galaxy Buds3 Pro the 2024 follow-up to the previous Galaxy Buds2 Pro.

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.

$229.994Press releasenews.samsung.com/us/samsung-galaxy-z-flip4-galaxy-z-fold4-unpacked-2022-most-versatile-smartphonesRead 5 October 2026Original US generation launch MSRP before sales tax. UK reference SKU price is not converted. August 10 preorder differs from planned August 26 retail.

Not available

Launch price (EU)iThe maker's euro launch price for the stated configuration, including VAT as published. Current store prices and later discounts do not qualify.

Not available

Not available

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

GB1Maker product pagesamsung.com/uk/business/audio-sound/galaxy-buds/galaxy-buds2-pro-graphite-sm-r510nzaaeuaRead 5 October 2026Exact UK commerce SKU and original August 2022 UK preorder campaign establish GB availability. Other regional prices do not add markets to this SKU.

Not available

ColoursiThe maker's own colour names

Graphite, White, Bora Purple1Maker product pagesamsung.com/uk/business/audio-sound/galaxy-buds/galaxy-buds2-pro-graphite-sm-r510nzaaeuaRead 5 October 2026

Black, Orange, Blue, Green, Light Khaki, White, Rose Gold, Purple, Light Purple8Maker product pagetozostore.com/products/a1.jsRead 15 October 2026Store option names, verbatim. Blue shows as unavailable on 2026-10-15. The tech specs row Color lists a different set of names, so the store option names are used.

Segment

Music1Maker product pagesamsung.com/uk/business/audio-sound/galaxy-buds/galaxy-buds2-pro-graphite-sm-r510nzaaeuaRead 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.

In-ear3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026

In-ear1Maker product pagetozostore.com/products/a1Read 15 October 2026Tech specs row Type: In-ear True Wireless.

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

Stemless3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026

Stemless1Maker product pagetozostore.com/products/a1Read 15 October 2026The earbuds are a compact body with no stalk, as shown in the product photos.

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

Either bud3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026Page 18 mono sound with one connected bud. Page 39 accessibility permits single-earbud noise controls. Either bud is not independent playback from two sources.

Either bud3Owner's manuals3-us.tozostore.com/tozo/pdfRenderer/web/index.htmlRead 21 October 2026Section 5.0 Voice Assistant: when using a single or both earbuds, triple-tap the L/R earbud. The quick guide reset step also covers the case where only one earbud works. Either earbud is read as usable 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.

ASamsung Galaxy Buds2 Pro

Type	Role	Diameter (mm)	Count per earbud
Dynamic	Woofer	10	1
Dynamic	Tweeter	5.3	1

Source6Maker spec sheet (PDF)boulanger.scene7.com/is/content/Boulanger/8806094512540_f_0Read 5 October 2026Page 2 explicitly two transducers per earbud, 10 mm woofer and 5.3 mm tweeter. Dynamic technology is separately backed by exact review technical data. Coaxial 2-way alone is not used to infer technology.15Reviewheadphonecheck.com/test/samsung-galaxy-buds2-proRead 5 October 2026

BTOZO A1

Type	Diameter (mm)	Count per earbud
Dynamic	6	1

Source1Maker product pagetozostore.com/products/a1Read 15 October 2026Tech specs row Driver: 6 mm dynamic driver. NerdTechy says there is a 6 mm speaker inside each earbud, so one per earbud. No driver role is named.

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

Dynamic15Reviewheadphonecheck.com/test/samsung-galaxy-buds2-proRead 5 October 2026Exact model technical data explicitly states the dynamic transducer principle (German: dynamisch). Maker two-transducer roles/diameters remain the separate primary source.

Dynamic1Maker product pagetozostore.com/products/a1Read 15 October 2026Tech specs row Driver: 6 mm dynamic driver.

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

10mm=CalculatedFrom Drivers per bud

6mm=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.

2=CalculatedFrom Drivers per bud

1=CalculatedFrom Drivers per bud

Diaphragm material

Not available

High-elastic polymer1Maker product pagetozostore.com/products/a1Read 15 October 2026Feature text Bass Enhancement: the diaphragm utilizes a high-elastic polymer. Stored as published.

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 kHz1Maker product pagetozostore.com/products/a1Read 15 October 2026Tech specs row Frequency response range: 20 Hz - 20 kHz. Maker figure with no stated conditions.

Impedance

Not available

16Ω4Retailer pageamazon.com/dp/B09N3RYJ66Read 21 October 2026Item details Audio table: Impedance 16 ohm. This matches the label in the maker photo.9Maker product pagecdn.shopify.com/s/files/1/0737/0578/3585/files/a1mini-black-main01.webpRead 15 October 2026Main product photo on the maker store: the label inside the case lid reads Impedance 16 ohm, water resistance IPX5, battery 40 mAh, 3.7 V, 0.148 Wh. The label is read from a marketing photo and no spec table repeats the impedance.

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.

48kHz10Maker spec sheet (PDF)images.samsung.com.cn/is/content/samsung/assets/global/ir/docs/2024_4Q_Interim_Report.pdfRead 5 October 2026Samsung Electronics 2024 Q4 Business Report PDF page 398 explicitly Buds2 Pro 24-bit/48 kHz. Buds3 Pro 24-bit/96 kHz on same page is separate. UK maker SSC HiFi compatible-device/app requirements apply. Not a lossless claim.

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.

24bits1Maker product pagesamsung.com/uk/business/audio-sound/galaxy-buds/galaxy-buds2-pro-graphite-sm-r510nzaaeuaRead 5 October 2026SSC HiFi, compatible Galaxy One UI 4.0 or later and supported app. This is a maximum supported format, not a lossless or every-host claim.

Not available

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

No10Maker spec sheet (PDF)images.samsung.com.cn/is/content/samsung/assets/global/ir/docs/2024_4Q_Interim_Report.pdfRead 5 October 2026Same page explicitly contrasts Buds3 Adaptive EQ with Buds2 Pro Fixed EQ. No newer-generation adaptive feature inherited.

Not available

Personalised soundiA profile from a hearing test or ear scan

Not available

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.

Not available

Not available

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

Normal, Bass boost, Soft, Dynamic, Clear, Treble boost11Maker product pagesamsung.com/us/support/answer/ANS10001321Read 5 October 2026Exact Buds2 Pro equalizer section plus original manual six-option count. Galaxy Wearable Android required. Current slider wording for other models is not a Buds2 Pro custom band count.

Not available

Volume limit

Not available

Not available

Spatial audio

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

360 Audio, Direct Multi-channel 5.1 and 7.11Maker product pagesamsung.com/uk/business/audio-sound/galaxy-buds/galaxy-buds2-pro-graphite-sm-r510nzaaeuaRead 5 October 2026

Not available

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

Yes1Maker product pagesamsung.com/uk/business/audio-sound/galaxy-buds/galaxy-buds2-pro-graphite-sm-r510nzaaeuaRead 5 October 2026Current maker describes head movement processing. Selected Samsung TV compatibility is current software support, not a launch promise.

Not available

Noise cancelling

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Active noise cancelling

Yes1Maker product pagesamsung.com/uk/business/audio-sound/galaxy-buds/galaxy-buds2-pro-graphite-sm-r510nzaaeuaRead 5 October 2026

No4Retailer pageamazon.com/dp/B09N3RYJ66Read 21 October 2026Item details Noise Control: Sound Isolation. The Best Buy listing says Noise Cancelling (Active): No. The earbuds use passive isolation only.5Retailer pagebestbuy.com/product/tozo-a1-wireless-earbuds-bluetooth-5-3-lightweight-ipx5-2-mic-ai-calls-premium-sound-bass-32-eqs-charging-case-black/CZT87XXGG7Read 21 October 2026Specifications: Noise Cancelling (Active): No. Listing by a marketplace seller, model A1.

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

Hybrid4Press releasenews.samsung.com/us/samsung-galaxy-z-flip4-galaxy-z-fold4-unpacked-2022-most-versatile-smartphonesRead 5 October 2026Original table explicitly gives two exterior and one interior microphone per bud for noise/call features. Teardown identifies feedforward and feedback microphones. ANC physical capsule count remains omitted because shared call roles are not fully resolved.

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

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.

33dB6Maker spec sheet (PDF)boulanger.scene7.com/is/content/Boulanger/8806094512540_f_0Read 5 October 2026Page 2 maximum manufacturer claim printed as up to -33 dB. Stored positive attenuation magnitude 33. Frequency, fixture and exact test settings unstated. Not reviewer overall attenuation or an ANC strength-level count.

Not available

Transparency mode

Yes1Maker product pagesamsung.com/uk/business/audio-sound/galaxy-buds/galaxy-buds2-pro-graphite-sm-r510nzaaeuaRead 5 October 2026

Not available

Adjustable transparency

Yes9Maker product pagedoc.samsungmobile.com/SM-R510/023323220719/roh.htmlRead 5 October 2026R510XXU0AWF4 July 3, 2023 adds Extra-high ambient volume and expands Ambient sound from 3 to 5 steps. These are transparency levels, not ANC strength levels.

Not available

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

Not available

Not available

Conversation detection

Yes1Maker product pagesamsung.com/uk/business/audio-sound/galaxy-buds/galaxy-buds2-pro-graphite-sm-r510nzaaeuaRead 5 October 2026Voice Detect disables ANC and activates Ambient sound while lowering music. This is automatic mode switching, not proof of continuous ANC/transparency blending.

Not available

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

Yes6Maker spec sheet (PDF)boulanger.scene7.com/is/content/Boulanger/8806094512540_f_0Read 5 October 2026Page 2 explicitly wind-isolating design. No user-selectable wind processing switch inferred.

Not available

Measured

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

Default measured response has stronger sub-bass than the SoundGuys target, broadly matching mids and emphasized sound above 10 kHz.14Reviewsoundguys.com/samsung-galaxy-buds-2-pro-review-78415Read 5 October 2026Objective default curve and target comparison. Source fixture/target revision, firmware and exact curve codec unstated. No graph points or aggregate rating converted to 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

Published ideal, office, street and wind microphone recordings. Review reports noise rejection, but voice tone and consonants can sound altered.14Reviewsoundguys.com/samsung-galaxy-buds-2-pro-review-78415Read 5 October 2026

Not available

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.

ASamsung Galaxy Buds2 Pro

ANC	Hours (h)
Yes	4.83

Source14Reviewsoundguys.com/samsung-galaxy-buds-2-pro-review-78415Read 5 October 2026Exact original SM-R510, over one week. ANC-on continuous playback peaking 75 dB SPL lasts 4 h 50 min. Exact battery-test host, codec, firmware and app revision unstated. Review discusses Samsung tablet SSC and iPhone AAC, but does not explicitly tie either to the battery run. Case recharges excluded.

BTOZO A1

Not available

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

4.83h=CalculatedFrom Battery life (measured)

Not available

Battery life with case (measured)iReviewer-tested total including earbuds and case recharges. Do not calculate this by multiplying one-charge runtime by claimed recharge count.

Not available

Not available

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

Not available

Not available

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

Not available

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

24Retailer pageamazon.com/dp/B09N3RYJ66Read 21 October 2026Title and bullets say 2 Mics for AI Calls and the Audio table says 2 Mics ENC Clear Call. The manual labels one calling mic per earbud, so 2 is read as one per earbud.

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.

62Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026Exact UK model spec states six High-SNR physical microphones across the pair, with three per bud in original maker documents. VPU is a separate sensor. Exact sharing of all capsules for call/beamforming pickup is unproved, so the voice-specific microphone count is omitted. No guessed two/four replacement or ANC-role count stored.

24Retailer pageamazon.com/dp/B09N3RYJ66Read 21 October 2026No ANC, so the call microphones are the only microphones. Same evidence as the call microphone count.

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.

Yes16Review52audio.com/archives/140915.htmlRead 5 October 2026Exact original SM-R510 teardown identifies ST LSM6DSV16BX combined 6-axis IMU/bone-conduction chip and explicitly assigns its bone-conduction function to uplink call noise reduction. This is physical architecture evidence beyond the maker VPU name or a generic speech accelerometer. Cell markings also confirm 515 typical and 500 rated case, 58 rated bud. Teardown introductory ANC total 28 h typo is excluded.17Maker product pagenewsroom.st.com/media-center/press-item.html/n4523.htmlRead 5 October 2026ST original component description explicitly separates head-motion data and dedicated bone-vibration sensing channels in LSM6DSV16BX. Product use is established by exact Buds2 Pro teardown, not inferred from component capability alone.

Not available

Mic noise reduction

AI6Maker spec sheet (PDF)boulanger.scene7.com/is/content/Boulanger/8806094512540_f_0Read 5 October 2026Page 2 explicitly DNN and personalized beamforming for voice. Shared physical microphones and VPU are counted separately.

AI4Retailer pageamazon.com/dp/B09N3RYJ66Read 21 October 2026Bullet: AI-Enhanced ENC for Clear Calls. This is the maker brand store wording. The maker site does not describe the microphones and a 2021 review found no advanced call noise reduction on the first release.

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

Not available

Not available

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

Not available

Not available

SidetoneiHear your own voice in calls

Yes3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026Page 37 Use Ambient sound during calls lets the user hear their own voice. Electronic ambient passthrough, not an analog cable microphone monitor.

Not available

Connectivity

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Chip

BES2700YP10Maker spec sheet (PDF)images.samsung.com.cn/is/content/samsung/assets/global/ir/docs/2024_4Q_Interim_Report.pdfRead 5 October 2026Same exact-generation table gives BES2700YP one-chip platform, corroborated by physical teardown. Corporate dimension W/H labels conflict with original infographic and UK API and are not used.16Review52audio.com/archives/140915.htmlRead 5 October 2026

Not available

Connections

Bluetooth3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026

Bluetooth1Maker product pagetozostore.com/products/a1Read 15 October 2026Bluetooth only. No other connection is listed.

Bluetooth

5.32Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026

5.31Maker product pagetozostore.com/products/a1Read 15 October 2026Tech specs row Bluetooth version: Bluetooth 5.3. The feature text says Bluetooth 5.3.

Bluetooth codecs

SSC (Samsung Seamless Codec) HiFi, AAC, SBC2Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026

AAC, SBC1Maker product pagetozostore.com/products/a1Read 15 October 2026Tech specs row Audio codec: AAC/SBC.

Bluetooth profiles

A2DP, AVRCP, HFP2Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026

HSP, HFP, A2DP, AVRCP1Maker product pagetozostore.com/products/a1Read 15 October 2026Feature text: supports HSP, HFP, A2DP and AVRCP.

LE Audio

Yes9Maker product pagedoc.samsungmobile.com/SM-R510/023323220719/roh.htmlRead 5 October 2026Auracast reception establishes broadcast LE Audio after firmware update. It does not establish generic unicast LC3 audio from every PC/phone. Launch-era eventual-support wording is not treated as delivered at launch.

Not available

Auracast

Yes9Maker product pagedoc.samsungmobile.com/SM-R510/023323220719/roh.htmlRead 5 October 2026R510XXU0AWI2 October 4, 2023 adds reception of nearby Auracast broadcasts. Requires Auracast Assistant device. UK maker page names supported Galaxy assistant models/One UI 5.1.1 or later. Earbuds are receivers, not broadcast sources. Region rollout varies.

Not available

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

No15Reviewheadphonecheck.com/test/samsung-galaxy-buds2-proRead 5 October 2026Exact review explicitly no simultaneous generic multipoint. Samsung Account Auto Switch does not change this.

Not available

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

Yes1Maker product pagesamsung.com/uk/business/audio-sound/galaxy-buds/galaxy-buds2-pro-graphite-sm-r510nzaaeuaRead 5 October 2026Samsung Account routing, including supported Galaxy Book. Ordinary Bluetooth multipoint is separate.9Maker product pagedoc.samsungmobile.com/SM-R510/023323220719/roh.htmlRead 5 October 2026R510XXU0AXB4 March 6, 2024 improves Galaxy Book routing, requiring Samsung Settings 6.0 or later and phone/tablet One UI 4.1.1 or later plus Continuity Service 1.2.16 or later. Same Samsung Account required.

Not available

Fast pairing

Not available

Not available

Audio sharingiShare one stream with a second pair

Not available

Not available

Wireless range (claimed)

Not available

10m1Maker product pagetozostore.com/products/a1Read 15 October 2026Tech specs row Effective Bluetooth range: 10 m.

Wireless receiveri2.4 GHz dongle

Not available

Not available

Receiver connector

Not available

Not available

Simultaneous 2.4 GHz and Bluetooth audioiBoth connection types can play audio together. Quick switching between independent modes does not qualify.

Not available

Not available

Latency

1 of 3 differ

Low latency mode

Yes3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026Page 38 Labs Gaming mode is available only with Samsung Android devices. No numerical latency, console compatibility or iOS gaming mode inferred.

Not available

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.

Android, iOS4Press releasenews.samsung.com/us/samsung-galaxy-z-flip4-galaxy-z-fold4-unpacked-2022-most-versatile-smartphonesRead 5 October 2026

Not available

Connection per platformiDocumented audio connection for each platform. USB-C phone routes require a compatible port. Platform edition and microphone restrictions belong in source notes or feature requirements.

ASamsung Galaxy Buds2 Pro

Platform	Connection	Microphone works
Android	Bluetooth	Yes
iOS	Bluetooth	Not available

Source4Press releasenews.samsung.com/us/samsung-galaxy-z-flip4-galaxy-z-fold4-unpacked-2022-most-versatile-smartphonesRead 5 October 2026Original maker specification lists Android and iOS Bluetooth-only compatibility. Advanced Galaxy Wearable features are unavailable on iOS. EU manual pages 16 to 19 and 31 establish Android audio/call route. Exact supported current host software required. No console route inferred.

BTOZO A1

Not available

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

ASamsung Galaxy Buds2 Pro

Feature	Needs
24-bit Hi-Fi audio	Samsung Seamless Codec HiFi on a compatible Galaxy device with One UI 4.0 or later. App support varies.
360 Audio and head tracking	Compatible Galaxy phone/tablet with One UI 3.1 or later and supported content. Selected Samsung TVs also support 360 Audio.
Direct Multi-channel 5.1/7.1	Galaxy phone/tablet with One UI 4.1.1 or later. Selected Samsung TV models support 5.1 only.
Auto Switch	Same Samsung Account on supported Galaxy phone/tablet/watch/Book. TV switching is for calls only.
Galaxy AI Interpreter and Live Translate	Compatible Galaxy smartphone and current software. Phone does translation, not the earbuds. Samsung Account and language packs required. Live Translate needs network access and Samsung Phone app.

Source1Maker product pagesamsung.com/uk/business/audio-sound/galaxy-buds/galaxy-buds2-pro-graphite-sm-r510nzaaeuaRead 5 October 2026

BTOZO A1

Not available

Official licence

Not available

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Battery and charging

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

61mAh2Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026Typical capacity of one earbud. Maker note separately gives rated 58 mAh. Not a pair sum.

40mAh1Maker product pagetozostore.com/products/a1Read 15 October 2026Tech specs row Battery capacity: 40 mAh for the earphones. The case label in the product photo reads 40 mAh, 3.7 V, 0.148 Wh. Whether the figure is one earbud or the pair is not stated. NerdTechy says each earbud has a 40 mAh battery.

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

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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.

ASamsung Galaxy Buds2 Pro

Mode	Includes case recharges	Hours (h)
ANC on	No	5
ANC on	Yes	18
ANC off	No	8
ANC off	Yes	29
Call	No	3.5
Call	Yes	14
Call	No	4
Call	Yes	15

Source4Press releasenews.samsung.com/us/samsung-galaxy-z-flip4-galaxy-z-fold4-unpacked-2022-most-versatile-smartphonesRead 5 October 2026Playback 5/18 h ANC on, 8/29 h off, where totals include buds and case. Call 3.5/14 h ANC on, 4/15 h off. The two pairs of call rows preserve these stated conditions here because call mode does not encode ANC. Preproduction Galaxy smartphone, original default settings. Exact host, codec, volume and firmware unstated. App/network/use affect runtime.7Maker product pagesamsungmobilepress.com/articles/infographic-galaxy-buds2-pro-taking-immersive-sound-deeper-with-earbuds-built-for-comfortRead 5 October 2026

BTOZO A1

Mode	Codec	Includes case recharges	Hours (h)
ANC off	AAC	No	7
ANC off	AAC	Yes	32

Source1Maker product pagetozostore.com/products/a1Read 15 October 2026Tech specs row Music play time (AAC, default setting, 50% volume): 7 h on a single charge and 32 h with the charging case. An archived store page from 6 December 2023 gave 5.5 h and 22 h for the same hardware figures, so the claim changed over time. The current claim is stored.

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.

8h=CalculatedFrom Claimed battery life

7h=CalculatedFrom Claimed battery life

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

5h=CalculatedFrom Claimed battery life

Not available

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

8h=CalculatedFrom Claimed battery life

7h=CalculatedFrom Claimed battery life

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

29h=CalculatedFrom Claimed battery life

32h=CalculatedFrom Claimed battery life

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

18h=CalculatedFrom Claimed battery life

Not available

Talk time (claimed)

4h=CalculatedFrom Claimed battery life

Not available

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

Not available

120min1Maker product pagetozostore.com/products/a1Read 15 October 2026Tech specs row Cable charge time: 2 h for the earphones. The page does not say how the earbuds are charged, so the earbud time is read as charging in the case.

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.

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

5min7Maker product pagesamsungmobilepress.com/articles/infographic-galaxy-buds2-pro-taking-immersive-sound-deeper-with-earbuds-built-for-comfortRead 5 October 2026

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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.

1h7Maker product pagesamsungmobilepress.com/articles/infographic-galaxy-buds2-pro-taking-immersive-sound-deeper-with-earbuds-built-for-comfortRead 5 October 2026Original maker Product Specifications infographic gives 1 hour of earbud playback after 5 minutes of charging. Footnote 14 starts charging with the earbuds below 30 percent. Playback duration varies with usage and the number of times charged. Exact ANC, codec, volume, host and firmware are unstated. French maker sheet agrees with 5 minutes and 60 minutes.

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Charging case

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Case batteryiCharging-case battery cell capacity. The source note distinguishes typical, rated and output capacity. USB output capacity alone does not qualify.

515mAh2Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026Typical 515 mAh, rated 500 mAh. The original US launch table labels 500 as typical, conflicting with exact UK table, original maker infographic and photographed case-cell label. Those agree on 515 typical, so 500 is not substituted.4Press releasenews.samsung.com/us/samsung-galaxy-z-flip4-galaxy-z-fold4-unpacked-2022-most-versatile-smartphonesRead 5 October 2026Launch table typical 500 mAh conflicts with same-table rated 500 and later exact UK typical 515. Exact UK table plus original maker infographic and physical cell markings control the stored typical value.7Maker product pagesamsungmobilepress.com/articles/infographic-galaxy-buds2-pro-taking-immersive-sound-deeper-with-earbuds-built-for-comfortRead 5 October 202616Review52audio.com/archives/140915.htmlRead 5 October 2026

400mAh1Maker product pagetozostore.com/products/a1Read 15 October 2026Tech specs row Battery capacity: 400 mAh for the charging case.

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

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Case charging port

USB-C3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026

USB-C1Maker product pagetozostore.com/products/a1Read 15 October 2026Tech specs row Charging port: USB Type-C.

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

120min1Maker product pagetozostore.com/products/a1Read 15 October 2026Tech specs row Cable charge time: 2 h for the charging case.

Wireless charging

Yes3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026

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

Qi7Maker product pagesamsungmobilepress.com/articles/infographic-galaxy-buds2-pro-taking-immersive-sound-deeper-with-earbuds-built-for-comfortRead 5 October 2026Original maker infographic explicitly Qi-certified wireless charging. No Qi2, magnetic alignment or case maximum wattage inferred.8Maker product pagesamsung.com/de/support/mobile-devices/galaxy-buds2-pro-vs-buds2-vs-buds-proRead 5 October 2026Exact Buds2 Pro comparison column explicitly USB-C, Qi and Wireless PowerShare. Other Buds columns are not inherited.

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

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

Not available

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Screen on case

Not available

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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

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Controls

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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 commands3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026

Touch1Maker product pagetozostore.com/products/a1Read 15 October 2026Feature heading: Smart Touch Control. The quick guide lists tap and tap-and-hold gestures on the earbuds.10Reviewnerdtechy.com/tozo-a1-reviewRead 15 October 2026Controls section: touch-activated controls on the exterior of each earbud.

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

Touch3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026

Touch10Reviewnerdtechy.com/tozo-a1-reviewRead 15 October 2026Controls section: touch-activated controls adjust the volume, skip or go back a track and play or pause through finger taps.

Gestures

Single, double and triple tap, Touch and hold, Double tap earbud edge in Labs3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026

Tap once on either earbud: play or pause, answer a call, Double tap the left earbud: previous track, Double tap the right earbud: next track, Hold the right earbud for 2 seconds: volume up, Hold the left earbud for 2 seconds: volume down, Hold either earbud for 2 seconds: hang up or reject a call, Triple tap either earbud: wake the voice assistant3Owner's manuals3-us.tozostore.com/tozo/pdfRenderer/web/index.htmlRead 21 October 2026Section 3.0 and 4.0. Hold means press and hold for 2 seconds. Tap once on L or R plays or pauses. Double tap L is previous and double tap R is next. Hold R raises and hold L lowers the volume. A call is answered with one tap and ended or rejected with a 2 second hold.

Remappable controls

Yes3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026Pages 25 to 26 hold action can select noise control, Bixby or volume. Choosing volume assigns opposing controls to both buds. Disabling touch alone is not remapping.

Yes3Owner's manuals3-us.tozostore.com/tozo/pdfRenderer/web/index.htmlRead 21 October 2026Section 8.0: most of the controls can be customized in the TOZO app.

Voice assistant

Bixby3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026

Voice assistant3Owner's manuals3-us.tozostore.com/tozo/pdfRenderer/web/index.htmlRead 21 October 2026Section 5.0: triple-tap the earbud to wake the voice assistant with a beep. No assistant is named.

Sensors and health

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In-ear detection

Yes3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026Pages 21 to 22 touch-sensitive sensors detect wearing. Page 37 supports in-ear call routing. No skin temperature or clinical health sensor inferred.

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Sensors

Accelerometer, Gyroscope, Hall sensor, Proximity sensor, Touch sensor, Voice Pickup Unit (VPU)2Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026

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Heart rate sensor

Not available

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

Not available

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Hearing aid featureiAmplification for mild to moderate hearing loss

Not available

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Medical clearances

Not available

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

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Hearing protectioniLimits sudden loud sounds

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Health features

Neck stretch reminders3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026Page 38 reminder after head bent for more than 10 min, both buds worn and calibrated. Consumer posture reminder, not a medical clearance.

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Fit and durability

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

S, M, L18Owner's manualmanuals.plus/m/fe8924747739a7c817a74c5176c6d9390427c2f33249a40da05437d4227a45a9_optim.pdfRead 5 October 2026Original maker package contents includes S/M/L, not separately sold foam sizes.

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Ear tip materials

Silicone14Reviewsoundguys.com/samsung-galaxy-buds-2-pro-review-78415Read 5 October 2026Original review explicitly silicone supplied tips. Third-party foam replacements are not bundled.

Silicone5Retailer pagebestbuy.com/product/tozo-a1-wireless-earbuds-bluetooth-5-3-lightweight-ipx5-2-mic-ai-calls-premium-sound-bass-32-eqs-charging-case-black/CZT87XXGG7Read 21 October 2026Maker account answer in the Q and A: the A1 set includes three spare silicone ear tips in three different sizes. The sizes are not named, so no ear tip sizes are stored.10Reviewnerdtechy.com/tozo-a1-reviewRead 15 October 2026Review: silicone ear tips. The maker answer on Best Buy also says silicone ear tips.

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

None14Reviewsoundguys.com/samsung-galaxy-buds-2-pro-review-78415Read 5 October 2026Exact review explicitly no hooks/stabilizers. No new Fit Pro-style wingtip borrowed.

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Ear tip fit test

Yes3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026

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Dust and water rating, buds

IPX73Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026Page 43 fresh water up to 1 m for 30 min. Case explicitly not water resistant. No case IP code or swimming-use promise stored.

IPX51Maker product pagetozostore.com/products/a1Read 15 October 2026Tech specs row Water resistance - earphone: IPX5. No rating is stated for the case.

Dust and water rating, case

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Water resistance depth

1m3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026

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Software

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Companion app

Galaxy Wearable3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026

TOZO app1Maker product pagetozostore.com/products/a1Read 15 October 2026The TOZO app has 32 preset EQs and access to over 2,000 personalized EQs shared by other users. No app platform list is stated on the page.

App platforms

Android3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026

iOS, Android3Owner's manuals3-us.tozostore.com/tozo/pdfRenderer/web/index.htmlRead 21 October 2026Section 9.0 shows the App Store and Google Play badges.

User firmware updates

Yes3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026Page 39 Galaxy Wearable FOTA download/install and auto-update in case. App is Android. Current region build requirements are separately sourced.

Yes3Owner's manuals3-us.tozostore.com/tozo/pdfRenderer/web/index.htmlRead 21 October 2026Section 8.0: the earbuds firmware can be updated in the app.

Finding network

Samsung Find12Maker product pagesamsung.com/uk/apps/smartthings-findRead 5 October 2026Maker offline-finding eligibility explicitly includes Buds2 Pro. Requires Samsung Account, compatible Galaxy host and offline finding enabled. Buds must have power. Depleted battery uses last connected location. No case UWB precision capability inferred.

Not available

Precision findingiUWB in the case

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Live translation

Yes1Maker product pagesamsung.com/uk/business/audio-sound/galaxy-buds/galaxy-buds2-pro-graphite-sm-r510nzaaeuaRead 5 October 2026Current maker page explicitly covers Interpreter and Live Translate through Buds2 Pro, with translation processed on the paired Galaxy smartphone. Published compatibility names S24 family as of February 2024. Current language/region availability varies.

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Dimensions and weight

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Weight per budiMass of one earbud. Tip size and approximate values belong in the source note. Do not store pair or case-inclusive mass.

5.5g(0.2 oz)2Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026

3.7g(0.1 oz)1Maker product pagetozostore.com/products/a1Read 15 October 2026Tech specs row Weight (each ear): 3.7 g plus or minus 0.2 g.

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

Width19.9Height21.6Depth18.7mm(0.8 × 0.9 × 0.7 in)2Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026Exact labeled HxWxD values reordered by explicit labels, not appearance. Original maker infographic also explicitly labels W19.9/H21.6/D18.7. Corporate report later reverses W/H labels, and its dimensions are not used.7Maker product pagesamsungmobilepress.com/articles/infographic-galaxy-buds2-pro-taking-immersive-sound-deeper-with-earbuds-built-for-comfortRead 5 October 2026

Not available

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

43.4g(1.5 oz)2Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026Separate case component mass, not total package weight. No measured pair weight divided into a per-bud field.

Not available

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

Width50.1Height50.2Depth27.7mm(2 × 2 × 1.1 in)2Maker product pagesearchapi.samsung.com/v6/front/b2c/product/spec/detailRead 5 October 2026Exact UK HxWxD table gives H50.2/W50.1/D27.7. Source axis convention retained, not reoriented by the case photo.

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Certifications

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

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Communication certifications

Not available

FCC Part 15, ISED licence-exempt RSS, CE RED 2014/53/EU, ANATEL 0034822131433Owner's manuals3-us.tozostore.com/tozo/pdfRenderer/web/index.htmlRead 21 October 2026Sections 11.0 to 13.0: FCC Part 15 statement, ISED licence-exempt RSS statement and CE-DOC under Directive 2014/53/EU. No FCC ID is printed in the manual.4Retailer pageamazon.com/dp/B09N3RYJ66Read 21 October 2026Item details External Testing Certification: ANATEL 003482213143, model A1 (Brazil).

FCC IDs

Not available

2ASWH-A1-19E, 2ASWH-A1-AB6Regulatory filingfccid.io/2ASWH-A1-19ERead 21 October 2026Two FCC grants to Shenzhen Worgo Technology Limited (the TOZO maker, grantee code 2ASWH), both for trade mark TOZO, model A1: 2ASWH-A1-19E (granted 2026-06-02, light buds in the photos, Classic Bluetooth GFSK, pi/4 DQPSK and 8DPSK) and 2ASWH-A1-AB (filed 2026-06-04, black buds in the photos, same model and radio). The 19E filing photos show earbud cells labelled ST 501012, 3.7V, 0.15Wh, about 40 mAh, which fits the 40 mAh store figure. Grants for the 2021 and 2023 hardware were not found under this grantee, so these IDs describe the current A1 hardware only. The mapping of each ID to a colour is not stated.7Regulatory filingfccid.io/2ASWH-A1-ABRead 21 October 2026Second filing, ID 2ASWH-A1-AB, model A1, test report DLE-260424034R. Same note as the 2ASWH-A1-19E filing.

Other certifications

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In the box

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In the box

Galaxy Buds2 Pro left and right earbuds, Charging case, Ear tips in S, M and L, USB charging cable, Quick Start Guide18Owner's manualmanuals.plus/m/fe8924747739a7c817a74c5176c6d9390427c2f33249a40da05437d4227a45a9_optim.pdfRead 5 October 2026Original EU/UK maker Quick Start Guide GH68-54690D Rev1.0 June 2022, mirrored PDF. English pages 2 to 7 read through web original. Native download unavailable with HTTP 403. Supplied items may vary by region. Exact UK cable length not established, so French 1 m claim is omitted. No power adapter listed.

TOZO A1 Mini wireless earbuds, Charging case, Silicone ear tips, USB-A to USB-C charging cable, User manual4Retailer pageamazon.com/dp/B09N3RYJ66Read 21 October 2026What is in the box: Charging Case, Eartip, TOZO A1 Mini Wireless Earbuds, USB-C (A to C) cable, User Manual. The cable length is printed as 20 cm here while TOZO prints 20 inches for its Open EarRing box, so no length is stored.10Reviewnerdtechy.com/tozo-a1-reviewRead 15 October 2026Review: a charging case, two earbuds, a USB-C charging cable and silicone tips. Amazon listing (the maker brand store) adds the user manual.

Cables included

ASamsung Galaxy Buds2 Pro

Not available

BTOZO A1

Type	Count
USB-A to USB-C	1

Source4Retailer pageamazon.com/dp/B09N3RYJ66Read 21 October 2026What is in the box: USB-C (A to C) cable. Length not stored because of the cm and inch mismatch noted under in_the_box.

Links

Not compared

Product page

www.samsung.com/uk/business/audio-sound/galaxy-buds/galaxy-buds2-pro-graphite-sm-r510nzaaeua1Maker product pagesamsung.com/uk/business/audio-sound/galaxy-buds/galaxy-buds2-pro-graphite-sm-r510nzaaeuaRead 5 October 2026

www.tozostore.com/products/a11Maker product pagetozostore.com/products/a1Read 15 October 2026TOZO official store page, titled TOZO A1 Mini Wireless Earbuds.

Spec sheet

boulanger.scene7.com/is/content/Boulanger/8806094512540_f_06Maker spec sheet (PDF)boulanger.scene7.com/is/content/Boulanger/8806094512540_f_0Read 5 October 2026Original two-page Samsung France SM-R510 maker fiche, retailer-hosted. Both pages read and page 2 visually inspected. Shared hardware facts only. Regional French SKUs, GTINs, cable 1 m and Android 7 wording are not borrowed into the UK package. Printed RAM 8 Go is uncorroborated and unused.

Not available

Manual

org.downloadcenter.samsung.com/downloadfile/ContentsFile.aspx3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026Original EU English 09/2022 Rev1.0, linked from exact UK SKU support. All 51 numbered pages read. Source default settings and firmware may differ from current firmware.

s3-us.tozostore.com/tozo/pdfRenderer/web/index.html3Owner's manuals3-us.tozostore.com/tozo/pdfRenderer/web/index.htmlRead 21 October 2026Manual listed on the TOZO manuals page for the A1 (PDF created 2024-08-24, six languages). The text is outlined, so it was read from page images. The same gestures and app text appear in the A1 2024 manual that Amazon hosts.

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

0 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.

1year13Maker product pagesamsung.com/uk/support/warrantyRead 5 October 2026Current UK Galaxy Buds and wireless headphones category explicitly 12 months. Optional Samsung Care+ and statutory consumer rights are separate.

1year2Maker product pagetozostore.com/pages/warranty-policyRead 21 October 2026TOZO US warranty policy: one-year limited warranty against manufacturing defects from the date of purchase. The store banner says 12+6 months and the A1 quick guide offers an 18-month extended warranty when the product is registered within 14 days. The 12-month base term is stored.

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