Earbuds / Compare

Sennheiser ACCENTUM True Wireless vs Sony INZONE Buds

A

Product A: Sennheiser

ACCENTUM True Wireless

86 of 166 known

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B

Product B: Sony

INZONE Buds

73 of 166 known

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All 166 fields

Every value links to where we found it.

Only differences

ASennheiser ACCENTUM True Wireless

BSony INZONE Buds

General

6 of 8 differ

Series

ACCENTUM5Press releasenewsroom.sennheiser.com/pocketable-powerhouse-this-is-accentum-true-wirelessRead 16 October 2026The release places ACCENTUM True Wireless in the ACCENTUM family next to ACCENTUM Wireless and ACCENTUM Plus Wireless.

INZONE1Owner's manualhelpguide.sony.net/mdr/2977/v1/en/print.pdfRead 13 October 2026Cover page names the product as the INZONE Buds. INZONE is Sony gaming gear.

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

ATW1, ATW1 R, ATW1 L, ATW1 C, 700262, 700263, 7002641Maker product pageus.sennheiser-hearing.com/products/accentum-true-wirelessRead 16 October 2026Spec table: article numbers 700262 (Black), 700263 (White) and 700264 (Blue).2Maker spec sheet (PDF)stassen.nl/images/Senn_ACCENTUM%20TW_Spec_Sheet_EN.pdfRead 16 October 2026Order names ATW1 Black, ATW1 White and ATW1 Blue with article numbers 700262, 700263 and 700264.3Owner's manualbax-shop.nl/downloads/products/9000-0131-1764/atw1_manual_nl.pdfRead 16 October 2026Cover: ATW1, ATW1 R, ATW1 L and ATW1 C.4Regulatory filingcdn.sennheiser-hearing.com/product-documents/product-downloads/accentum-true-wireless/safety_instruction/Compliance_Information_ACCENTUM_True_Wireless.pdfRead 16 October 2026Models ATW1, ATW1 R, ATW1 L and ATW1 C.7Maker product pageus.sennheiser-hearing.com/products/accentum-true-wireless.jsRead 16 October 2026US store SKUs 700262 (Black), 700263 (White) and 700264 (Blue).

WF-G700N, YY2977, WFG700N/W1Owner's manualhelpguide.sony.net/mdr/2977/v1/en/print.pdfRead 13 October 2026Cover page: Model YY2977. The transceiver is YY2980. Greentoe lists WFG700N/W for the white model.9Retailer pagegreentoe.com/product/Sony_Sony_INZONE_Buds_Gaming_Earbuds__White__WFG700N-WRead 13 October 2026Model WFG700N/W for the white earbuds.

GTIN / EAN

4260752331241, 4260752331258, 4260752331265, 810091271148, 810091271155, 8100912711622Maker spec sheet (PDF)stassen.nl/images/Senn_ACCENTUM%20TW_Spec_Sheet_EN.pdfRead 16 October 2026Technical Data table: EAN 4260752331241, 4260752331258 and 4260752331265 and UPC 810091271148, 810091271155 and 810091271162 for Black, White and Blue.

Not available

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

7 May 20245Press releasenewsroom.sennheiser.com/pocketable-powerhouse-this-is-accentum-true-wirelessRead 16 October 2026Maker news dated 6 May 2024 with the Wedemark dateline of 7 May 2024. The dateline date is stored.

11 October 20235Press articlesoundguys.com/inzone-earbuds-headset-101119Read 13 October 2026

Status

Available1Maker product pageus.sennheiser-hearing.com/products/accentum-true-wirelessRead 16 October 2026US store shows the product at 99.95 USD against 219.95 USD and lists Black, White and Blue.7Maker product pageus.sennheiser-hearing.com/products/accentum-true-wireless.jsRead 16 October 2026All three SKUs are available on 2026-10-16.

Available6Press articlepcgameshardware.de/Kopfhoerer-Hardware-255599/News/Inzone-Buds-Sony-Gaming-Ohrhoerer-Preis-laengste-Akkulaufzeit-1431275Read 13 October 2026Sony support pages for the WF-G700N were updated in 2026 and retailers still list the model.

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

Not available

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.

Not available

Not available

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

$199.995Press releasenewsroom.sennheiser.com/pocketable-powerhouse-this-is-accentum-true-wirelessRead 16 October 2026MSRP of 199.99 USD and 279.95 CAD. SoundGuys and T3 print 199.95 USD. The maker figure is stored.8Reviewsoundguys.com/sennheiser-accentum-true-wireless-review-116713Read 16 October 2026Review lists 199.95 USD.

$199.995Press articlesoundguys.com/inzone-earbuds-headset-101119Read 13 October 2026$199.99. Pre-order in black or white.

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.

€199.96Press releasecdn.uc.assets.prezly.com/ff61fc44-afa0-42f0-934b-a6293529e6bd/-/inline/no/Pressemitteilung_Sennheiser%20ACCENTUM%20True%20Wireless.pdfRead 16 October 2026German release of 7 May 2024: 199.90 EUR (209.90 CHF), incl. VAT.

€199.996Press articlepcgameshardware.de/Kopfhoerer-Hardware-255599/News/Inzone-Buds-Sony-Gaming-Ohrhoerer-Preis-laengste-Akkulaufzeit-1431275Read 13 October 2026Article of 13 October 2023 quoting Sony's release: available in October in black and white for 199,99 euro. Germany, tax treatment as published in Germany, taken as including VAT.

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

US, CA, DE, GB, AU5Press releasenewsroom.sennheiser.com/pocketable-powerhouse-this-is-accentum-true-wirelessRead 16 October 2026United States and Canada MSRP in the release.6Press releasecdn.uc.assets.prezly.com/ff61fc44-afa0-42f0-934b-a6293529e6bd/-/inline/no/Pressemitteilung_Sennheiser%20ACCENTUM%20True%20Wireless.pdfRead 16 October 2026Germany.10Reviewt3.com/reviews/sennheiser-accentum-true-wireless-reviewRead 16 October 2026Now on sale for 169.99 GBP in the UK and 299 AUD in Australia.

US, DE5Press articlesoundguys.com/inzone-earbuds-headset-101119Read 13 October 2026Pre-order on Sony.com and Amazon in the US.6Press articlepcgameshardware.de/Kopfhoerer-Hardware-255599/News/Inzone-Buds-Sony-Gaming-Ohrhoerer-Preis-laengste-Akkulaufzeit-1431275Read 13 October 2026German press coverage of the Sony announcement. US pre-orders per SoundGuys.

ColoursiThe maker's own colour names

Black, White, Blue1Maker product pageus.sennheiser-hearing.com/products/accentum-true-wirelessRead 16 October 2026Colour selector: Black, White and Blue.5Press releasenewsroom.sennheiser.com/pocketable-powerhouse-this-is-accentum-true-wirelessRead 16 October 2026Launch colours black and white. Blue was added later and is on the maker store.7Maker product pageus.sennheiser-hearing.com/products/accentum-true-wireless.jsRead 16 October 2026Black, White and Blue.

Black, White2Retailer pageworldwidestereo.com/products/sony-wf-g700n-inzone-buds-truly-wireless-noise-cancelling-earbud-bundle-with-gsport-case-blackRead 13 October 2026Two colour options, black and white.5Press articlesoundguys.com/inzone-earbuds-headset-101119Read 13 October 2026Pre-order in black or white.

Segment

Not available

Gaming1Owner's manualhelpguide.sony.net/mdr/2977/v1/en/print.pdfRead 13 October 2026Wireless Noise Canceling Gaming Headset. Sony sells it under INZONE gaming gear.

Design

1 of 4 differ

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

In-ear1Maker product pageus.sennheiser-hearing.com/products/accentum-true-wirelessRead 16 October 2026Spec table: ear coupling ear canal, true wireless stereo earphones with four ear tip sizes.3Owner's manualbax-shop.nl/downloads/products/9000-0131-1764/atw1_manual_nl.pdfRead 16 October 2026Wearing style true wireless earphones with ear coupling in the ear canal. The silicone ear tips must seal the ear fully.

In-ear7Reviewm.gsmarena.com/sony_inzone_buds_review-amp-62784.phpRead 13 October 2026Standard in-ear TWS form factor with a shallower insertion depth than most noise-cancelling in-ears.

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

Stemless3Owner's manualbax-shop.nl/downloads/products/9000-0131-1764/atw1_manual_nl.pdfRead 16 October 2026Earbud diagrams show a compact body with no stalk.

Not available

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

Either bud3Owner's manualbax-shop.nl/downloads/products/9000-0131-1764/atw1_manual_nl.pdfRead 16 October 2026You can also use only the right or only the left earbud.

Either bud1Owner's manualhelpguide.sony.net/mdr/2977/v1/en/print.pdfRead 13 October 2026Using only one headset unit: either unit can be removed from the case and used alone.

RGB lighting

Not available

Not available

Drivers and sound

7 of 17 differ

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

ASennheiser ACCENTUM True Wireless

Type	Diameter (mm)	Count per earbud
Dynamic	7	1

Source1Maker product pageus.sennheiser-hearing.com/products/accentum-true-wirelessRead 16 October 2026Spec table: TrueResponse dynamic, 7 mm diameter. One driver per earbud.

BSony INZONE Buds

Type	Diameter (mm)	Count per earbud
Dynamic	8.4	1

Source2Retailer pageworldwidestereo.com/products/sony-wf-g700n-inzone-buds-truly-wireless-noise-cancelling-earbud-bundle-with-gsport-case-blackRead 13 October 2026Feature text and Sony specification block: 8.4 mm driver, Dynamic Driver X, headphone type closed dynamic. Count per earbud is one.3Maker product pagestore.sony.com.sg/blogs/7725297303707_43621638013083/7725297303707__specificationsRead 13 October 2026Headphone type closed, dynamic. Driver unit 8.4 mm.

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

Dynamic1Maker product pageus.sennheiser-hearing.com/products/accentum-true-wirelessRead 16 October 2026Spec table: speaker principle dynamic.

Dynamic2Retailer pageworldwidestereo.com/products/sony-wf-g700n-inzone-buds-truly-wireless-noise-cancelling-earbud-bundle-with-gsport-case-blackRead 13 October 2026

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

7mm=CalculatedFrom Drivers per bud

8.4mm=CalculatedFrom Drivers per bud

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

1=CalculatedFrom Drivers per bud

1=CalculatedFrom Drivers per bud

Diaphragm material

Not available

Not available

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

Min5 HzMax21 kHz1Maker product pageus.sennheiser-hearing.com/products/accentum-true-wirelessRead 16 October 2026Spec table: speaker frequency range 5 Hz to 21 kHz. Conditions are not stated.2Maker spec sheet (PDF)stassen.nl/images/Senn_ACCENTUM%20TW_Spec_Sheet_EN.pdfRead 16 October 2026Speaker frequency range 5 Hz to 21 kHz.

Not available

Impedance

Not available

Not available

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

107dB1Maker product pageus.sennheiser-hearing.com/products/accentum-true-wirelessRead 16 October 2026Spec table: 107 dB SPL (1 kHz / 1 mW). The manual prints 107 dB at 1 kHz / 0 dBFS.2Maker spec sheet (PDF)stassen.nl/images/Senn_ACCENTUM%20TW_Spec_Sheet_EN.pdfRead 16 October 2026Speaker sensitivity 107 dB SPL (1 kHz / 1 mW).

Not available

Sensitivity reference

Per 1 mW1Maker product pageus.sennheiser-hearing.com/products/accentum-true-wirelessRead 16 October 2026Spec table gives the reference as 1 mW.2Maker spec sheet (PDF)stassen.nl/images/Senn_ACCENTUM%20TW_Spec_Sheet_EN.pdfRead 16 October 2026Reference 1 mW.3Owner's manualbax-shop.nl/downloads/products/9000-0131-1764/atw1_manual_nl.pdfRead 16 October 2026Specifications print the level as 107 dB at 1 kHz / 0 dBFS. The spec sheet says 1 mW, which is stored. The two references are not the same.

Not available

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

Not available

Not available

Max bit depthiHighest supported audio bit depth under the codec and source-device conditions in the source note. Bluetooth version alone does not establish this.

Not available

Not available

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

Not available

Not available

Personalised soundiA profile from a hearing test or ear scan

Yes1Maker product pageus.sennheiser-hearing.com/products/accentum-true-wirelessRead 16 October 2026Page: the Smart Control Plus app has a Sound Personalization feature that assesses your listening preferences. The Sound Check presets come from a listening test.3Owner's manualbax-shop.nl/downloads/products/9000-0131-1764/atw1_manual_nl.pdfRead 16 October 2026Sound Check in the app guides you step by step to user-defined equalizer presets.8Reviewsoundguys.com/sennheiser-accentum-true-wireless-review-116713Read 16 October 2026Sound Check feature takes a listening test that determines your preferred sound.

Yes1Owner's manualhelpguide.sony.net/mdr/2977/v1/en/print.pdfRead 13 October 2026INZONE Hub can analyze ear shape and personalize the spatial sound settings.2Retailer pageworldwidestereo.com/products/sony-wf-g700n-inzone-buds-truly-wireless-noise-cancelling-earbud-bundle-with-gsport-case-blackRead 13 October 2026360 Spatial Sound Personalizer app builds a personal hearing profile from photos of the ears.

Onboard EQ

Yes3Owner's manualbax-shop.nl/downloads/products/9000-0131-1764/atw1_manual_nl.pdfRead 16 October 2026The sound effects are stored in the earbuds and stay active without the app, for example on another Bluetooth device.

Not available

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

51Maker product pageus.sennheiser-hearing.com/products/accentum-true-wirelessRead 16 October 2026Page: 5-band EQ in the Smart Control app.5Press releasenewsroom.sennheiser.com/pocketable-powerhouse-this-is-accentum-true-wirelessRead 16 October 20265-band equalizer and Sound Check in the Smart Control app.

107Reviewm.gsmarena.com/sony_inzone_buds_review-amp-62784.phpRead 13 October 2026INZONE Hub offers a ten-band equalizer with presets. The app is Windows only.

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

1 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 Spatial Sound for Gaming, 360 Reality Audio1Owner's manualhelpguide.sony.net/mdr/2977/v1/en/print.pdfRead 13 October 2026Manual has an About 360 Reality Audio page. INZONE Hub has a spatial sound toggle.2Retailer pageworldwidestereo.com/products/sony-wf-g700n-inzone-buds-truly-wireless-noise-cancelling-earbud-bundle-with-gsport-case-blackRead 13 October 2026360 Spatial Sound for Gaming.

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

Not available

Not available

Noise cancelling

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Active noise cancelling

Yes1Maker product pageus.sennheiser-hearing.com/products/accentum-true-wirelessRead 16 October 2026Hybrid Active Noise Cancellation.

Yes1Owner's manualhelpguide.sony.net/mdr/2977/v1/en/print.pdfRead 13 October 2026

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

Hybrid1Maker product pageus.sennheiser-hearing.com/products/accentum-true-wirelessRead 16 October 2026Spec table: Active Noise Cancellation Hybrid ANC.3Owner's manualbax-shop.nl/downloads/products/9000-0131-1764/atw1_manual_nl.pdfRead 16 October 2026Specifications: Hybrid ANC technology.5Press releasenewsroom.sennheiser.com/pocketable-powerhouse-this-is-accentum-true-wirelessRead 16 October 2026Hybrid ANC with Transparency modes.

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.

43Owner's manualbax-shop.nl/downloads/products/9000-0131-1764/atw1_manual_nl.pdfRead 16 October 2026Specifications: 2 microphones per earbud for speech and ANC, so four across the pair. Shared microphones count once.

Not available

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

Yes3Owner's manualbax-shop.nl/downloads/products/9000-0131-1764/atw1_manual_nl.pdfRead 16 October 2026With adaptive noise cancellation the intensity is controlled automatically by the ambient noise. ANC modes in the app: On, Off and Anti Wind.

Not available

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

Not available

Not available

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

Not available

Not available

Transparency mode

Yes1Maker product pageus.sennheiser-hearing.com/products/accentum-true-wirelessRead 16 October 2026Page: Transparency Mode.

Yes1Owner's manualhelpguide.sony.net/mdr/2977/v1/en/print.pdfRead 13 October 2026

Adjustable transparency

Yes3Owner's manualbax-shop.nl/downloads/products/9000-0131-1764/atw1_manual_nl.pdfRead 16 October 2026The intensity of transparency mode is set in the Smart Control app.5Press releasenewsroom.sennheiser.com/pocketable-powerhouse-this-is-accentum-true-wirelessRead 16 October 2026In the app the user can select the amount of transparency.9Reviewheadphonecheck.com/test/sennheiser-accentum-true-wirelessRead 16 October 2026A three-stage transparency mode.

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

Not available

Not available

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

Yes3Owner's manualbax-shop.nl/downloads/products/9000-0131-1764/atw1_manual_nl.pdfRead 16 October 2026ANC mode Anti Wind: light reduction to keep disturbing wind or movement noise to a minimum. It is a selectable mode.9Reviewheadphonecheck.com/test/sennheiser-accentum-true-wirelessRead 16 October 2026A special anti-wind ANC mode for outdoor use.

Not available

Measured

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

Default sound over-emphasizes bass by a couple of dB against the SoundGuys target and under-emphasizes the mids around 500 Hz and 3 kHz by up to 5 dB. There is a boost of a couple of dB around 13 kHz. With ANC on the bass is more emphasized.8Reviewsoundguys.com/sennheiser-accentum-true-wireless-review-116713Read 16 October 2026Lab measurement on SoundGuys' test rig against its headphone preference curve, default settings, firmware 5.7.6, Smart Control app 4.8.1. ANC adds bass emphasis. SoundGuys did not measure battery for this model.

Warm sound that is not overly bassy. Broad mid and upper bass lift with limited low bass extension. A slight mid-mid dip, conservative upper mids and subdued treble. Over Bluetooth the response has more midrange presence and is slightly duller than over the USB dongle.8Measurementm.gsmarena.com/sony_inzone_buds_review-amp-62784.phpRead 13 October 2026Listening and frequency response description in the Audio quality section. The Bluetooth difference is reported there too.

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

Clear in a quiet room. The microphones struggle to attenuate simulated office, street and wind noise.8Reviewsoundguys.com/sennheiser-accentum-true-wireless-review-116713Read 16 October 2026SoundGuys microphone tests with simulated office, street and wind noise.

Voices sound clear with a natural timbre and decent ambient noise suppression over the USB dongle. Keyboard clicks are still audible to the other side.8Measurementm.gsmarena.com/sony_inzone_buds_review-amp-62784.phpRead 13 October 2026Microphone section tested over the USB dongle.

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.

ASennheiser ACCENTUM True Wireless

ANC	Codec	Hours (h)
No	AAC	8.5
Yes	AAC	5.5

Source9Reviewheadphonecheck.com/test/sennheiser-accentum-true-wirelessRead 16 October 2026Practical test with the AAC codec at a high playback volume: 8.5 hours with ANC off and 5.5 hours with ANC on. Tom's Guide measured about 6.5 hours ANC off and 5 hours ANC on at up to 70 percent volume with multipoint, and GSMArena and HiFi Oasis got about 5.5 hours ANC on with aptX. The reviewers use different volumes, so only this one test is stored. The review's total with the case is a calculation, so it is not stored.

BSony INZONE Buds

ANC	Codec	Hours (h)
Yes	2.4 GHz USB transceiver	12.22
Yes	LC3	20.58

Source8Measurementm.gsmarena.com/sony_inzone_buds_review-amp-62784.phpRead 13 October 2026GSMArena looped playback with ANC on. USB dongle 12 hours 13 minutes. Bluetooth LE Audio 20 hours 35 minutes. Both are above Sony's 11 and 18 hour claims. The reviewer calls the Bluetooth result the longest they have tested on true wireless earbuds. Volume and firmware are not stated.

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

8.5h=CalculatedFrom Battery life (measured)

20.58h=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

55min9Reviewheadphonecheck.com/test/sennheiser-accentum-true-wirelessRead 16 October 2026About 55 minutes to refuel the earbuds when empty. The case took 75 minutes by cable.

Not available

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

Not available

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Microphones and calls

3 of 7 differ

Voice microphones in both earbudsiPhysical call and beamforming microphones across the pair. Excludes case microphones and vibration sensors. Shared ANC microphones can also count here when used for calls.

41Maker product pageus.sennheiser-hearing.com/products/accentum-true-wirelessRead 16 October 2026Spec table: 2 mics per earbud, beamforming for noise reduction. Page: dual mics on each earbud.3Owner's manualbax-shop.nl/downloads/products/9000-0131-1764/atw1_manual_nl.pdfRead 16 October 2026Specifications: 2 microphones per earbud for speech and ANC, so four across the pair.

Not available

All microphones in both earbudsiEvery physical microphone across the pair, including call and ANC microphones. Shared microphones count once. Excludes the charging case and voice vibration sensors.

43Owner's manualbax-shop.nl/downloads/products/9000-0131-1764/atw1_manual_nl.pdfRead 16 October 2026The same two microphones per earbud serve speech and ANC, so four physical microphones in total. No feedback microphone is named.

Not available

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

DSP3Owner's manualbax-shop.nl/downloads/products/9000-0131-1764/atw1_manual_nl.pdfRead 16 October 2026Beamforming array for the speech and ANC microphones.

AI2Retailer pageworldwidestereo.com/products/sony-wf-g700n-inzone-buds-truly-wireless-noise-cancelling-earbud-bundle-with-gsport-case-blackRead 13 October 2026AI DNN noise reduction trained on over 500 million voice samples.

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.

Yes3Owner's manualbax-shop.nl/downloads/products/9000-0131-1764/atw1_manual_nl.pdfRead 16 October 2026During a call tap once on either earbud to mute or unmute the microphones.

Yes1Owner's manualhelpguide.sony.net/mdr/2977/v1/en/print.pdfRead 13 October 2026Hold the left touch sensor to turn the microphones on or off.

SidetoneiHear your own voice in calls

Yes9Reviewheadphonecheck.com/test/sennheiser-accentum-true-wirelessRead 16 October 2026In calls, external noise can be amplified in two intensity levels so you hear your own voice more naturally.

Yes1Owner's manualhelpguide.sony.net/mdr/2977/v1/en/print.pdfRead 13 October 2026Sidetone function with a sidetone volume setting.

Connectivity

12 of 18 differ

Chip

Not available

L1 processor2Retailer pageworldwidestereo.com/products/sony-wf-g700n-inzone-buds-truly-wireless-noise-cancelling-earbud-bundle-with-gsport-case-blackRead 13 October 2026Feature text: the INZONE Buds L1 processor. PCGH quotes Sony's release for the same new low-power L1 processor.6Press articlepcgameshardware.de/Kopfhoerer-Hardware-255599/News/Inzone-Buds-Sony-Gaming-Ohrhoerer-Preis-laengste-Akkulaufzeit-1431275Read 13 October 2026Sony release promises 12 hours (24 hours with case) thanks to the new low-power L1 processor.

Connections

Bluetooth1Maker product pageus.sennheiser-hearing.com/products/accentum-true-wirelessRead 16 October 2026Bluetooth only. The earbuds have no wired or dongle connection.

2.4 GHz, Bluetooth1Owner's manualhelpguide.sony.net/mdr/2977/v1/en/print.pdfRead 13 October 2026

Bluetooth

5.31Maker product pageus.sennheiser-hearing.com/products/accentum-true-wirelessRead 16 October 2026Spec table: Bluetooth 5.3 compliant, class 1, 10 mW max.

5.31Owner's manualhelpguide.sony.net/mdr/2977/v1/en/print.pdfRead 13 October 2026

Bluetooth codecs

SBC, AAC, aptX, LC31Maker product pageus.sennheiser-hearing.com/products/accentum-true-wirelessRead 16 October 2026Spec table: SBC, AAC, aptX, LC3.

LC31Owner's manualhelpguide.sony.net/mdr/2977/v1/en/print.pdfRead 13 October 2026Supported codec LC3. Bluetooth works only for LE Audio devices.

Bluetooth profiles

A2DP, AVRCP, HFP, TMAP, PBP1Maker product pageus.sennheiser-hearing.com/products/accentum-true-wirelessRead 16 October 2026Spec table: A2DP, AVRCP, HFP, TMAP, PBP.

TMAP, GMAP, CSIP, MCP, VCP, CCP1Owner's manualhelpguide.sony.net/mdr/2977/v1/en/print.pdfRead 13 October 2026Compatible Bluetooth profiles TMAP, GMAP, CSIP, MCP, VCP, CCP.

LE Audio

Yes1Maker product pageus.sennheiser-hearing.com/products/accentum-true-wirelessRead 16 October 2026Page: Bluetooth 5.3, Bluetooth LE and Auracast.2Maker spec sheet (PDF)stassen.nl/images/Senn_ACCENTUM%20TW_Spec_Sheet_EN.pdfRead 16 October 2026Connectivity: Bluetooth Classic and LE Audio supported.3Owner's manualbax-shop.nl/downloads/products/9000-0131-1764/atw1_manual_nl.pdfRead 16 October 2026The earbuds are certified for Bluetooth 5.3 LE Audio and Auracast broadcast audio. The codec row lists LC3.5Press releasenewsroom.sennheiser.com/pocketable-powerhouse-this-is-accentum-true-wirelessRead 16 October 2026Bluetooth LE Audio capable.

Yes1Owner's manualhelpguide.sony.net/mdr/2977/v1/en/print.pdfRead 13 October 2026

Auracast

Yes1Maker product pageus.sennheiser-hearing.com/products/accentum-true-wirelessRead 16 October 2026Footnote: Auracast is available via firmware update only.3Owner's manualbax-shop.nl/downloads/products/9000-0131-1764/atw1_manual_nl.pdfRead 16 October 2026Auracast broadcast audio with a function in the Smart Control app.5Press releasenewsroom.sennheiser.com/pocketable-powerhouse-this-is-accentum-true-wirelessRead 16 October 2026The earbuds are Bluetooth LE Audio and Auracast capable, with use at Auracast venues in the near future.

Not available

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

Yes3Owner's manualbax-shop.nl/downloads/products/9000-0131-1764/atw1_manual_nl.pdfRead 16 October 2026Specifications: number of active connections 2.8Reviewsoundguys.com/sennheiser-accentum-true-wireless-review-116713Read 16 October 2026Bluetooth multipoint lets you pair to multiple devices simultaneously.9Reviewheadphonecheck.com/test/sennheiser-accentum-true-wirelessRead 16 October 2026Multipoint connections with two devices simultaneously.11Reviewtomsguide.com/audio/earbuds/sennheiser-accentum-true-wirelessRead 16 October 2026The review says the earbuds pair to two devices simultaneously with multipoint.

Not available

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

23Owner's manualbax-shop.nl/downloads/products/9000-0131-1764/atw1_manual_nl.pdfRead 16 October 2026Specifications: number of active connections 2. Audio plays from one device at a time.9Reviewheadphonecheck.com/test/sennheiser-accentum-true-wirelessRead 16 October 2026Multipoint connections with two devices simultaneously.

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.

63Owner's manualbax-shop.nl/downloads/products/9000-0131-1764/atw1_manual_nl.pdfRead 16 October 2026The earbuds store the connection profiles of up to six paired Bluetooth devices.

Not available

Automatic switching between own devicesiThrough the maker's account

Not available

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

10m1Owner's manualhelpguide.sony.net/mdr/2977/v1/en/print.pdfRead 13 October 2026Line of sight approx. 10 m. Footnote: communication specification excludes the USB transceiver.

Wireless receiveri2.4 GHz dongle

Not available

Included1Owner's manualhelpguide.sony.net/mdr/2977/v1/en/print.pdfRead 13 October 2026Included items list the USB Type-C Transceiver YY2980.

Receiver connector

Not available

USB-C1Owner's manualhelpguide.sony.net/mdr/2977/v1/en/print.pdfRead 13 October 2026The transceiver has a USB Type-C plug and connects to a computer, PS5 or USB Type-C smartphone.5Press articlesoundguys.com/inzone-earbuds-headset-101119Read 13 October 2026The USB-C transceiver comes in the charging case.

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

Not available

No1Owner's manualhelpguide.sony.net/mdr/2977/v1/en/print.pdfRead 13 October 2026It is not possible to hear audio from the Bluetooth connected device and the USB transceiver connected device at the same time.

Latency

3 of 3 differ

Low latency mode

Yes3Owner's manualbax-shop.nl/downloads/products/9000-0131-1764/atw1_manual_nl.pdfRead 16 October 2026Low Latency mode in the app reduces the delay between audio and video further. It works with all Bluetooth codecs and can shorten the range.9Reviewheadphonecheck.com/test/sennheiser-accentum-true-wirelessRead 16 October 2026The app can activate low-latency mode for games.

Not available

Claimed latency

ASennheiser ACCENTUM True Wireless

Not available

BSony INZONE Buds

Connection	Mode	Latency (ms)
2.4 GHz	USB transceiver	30

Source2Retailer pageworldwidestereo.com/products/sony-wf-g700n-inzone-buds-truly-wireless-noise-cancelling-earbud-bundle-with-gsport-case-blackRead 13 October 2026Feature text: USB-C dongle connection latency under 30 ms. Stored as 30 ms and published as less than 30 ms.

Lowest claimed latency

Not available

30ms=CalculatedFrom Claimed latency

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.

Not available

PS5, Windows, Android1Owner's manualhelpguide.sony.net/mdr/2977/v1/en/print.pdfRead 13 October 2026

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.

ASennheiser ACCENTUM True Wireless

Not available

BSony INZONE Buds

Platform	Connection	Microphone works
PS5	2.4 GHz	Yes
Windows	2.4 GHz	Yes
Android	2.4 GHz	Yes
Android	Bluetooth	Yes

Source1Owner's manualhelpguide.sony.net/mdr/2977/v1/en/print.pdfRead 13 October 2026Transceiver section lists computer, PlayStation 5 and USB Type-C compatible smartphone. PS5 shows the microphone state. Bluetooth is Android with LE Audio. The manual names no other operating system for audio, so macOS, iOS and other consoles are not stored.

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

ASennheiser ACCENTUM True Wireless

Feature	Needs
Auracast	Firmware update. Broadcasts are chosen in the Sennheiser Smart Control app.
Eco mode	Only with sources that support aptX. The mode turns aptX off and sends SBC or AAC.
Claimed battery life	Manual test: smartphone at 1 m, Bluetooth AAC codec, volume 50 percent, ANC off. The US spec table says iPhone at a mid volume of 85 dB.

Source1Maker product pageus.sennheiser-hearing.com/products/accentum-true-wirelessRead 16 October 2026Footnote on Auracast and the spec table test condition.3Owner's manualbax-shop.nl/downloads/products/9000-0131-1764/atw1_manual_nl.pdfRead 16 October 2026Eco mode section and Operating time row of the specifications.

BSony INZONE Buds

Feature	Needs
Bluetooth connection	Only devices that support Bluetooth LE Audio can connect over Bluetooth. A device without LE Audio needs the supplied USB transceiver. Audio cannot play from a Bluetooth device and the USB transceiver at the same time.
INZONE Hub	Windows 10 or later with the USB transceiver connected. The slide switch must be set to PC.
Sony | Headphones Connect	Android smartphone that supports LE Audio, connected over Bluetooth.
360 Spatial Sound Personalizer	A Sony account and the smartphone app to photograph the ears. The profile is then loaded into INZONE Hub on a PC.

Source1Owner's manualhelpguide.sony.net/mdr/2977/v1/en/print.pdfRead 13 October 2026

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.

55mAh1Maker product pageus.sennheiser-hearing.com/products/accentum-true-wirelessRead 16 October 2026Spec table: left and right earbud 55 mAh.2Maker spec sheet (PDF)stassen.nl/images/Senn_ACCENTUM%20TW_Spec_Sheet_EN.pdfRead 16 October 2026Battery type: left and right earbud 55 mAh.3Owner's manualbax-shop.nl/downloads/products/9000-0131-1764/atw1_manual_nl.pdfRead 16 October 2026Specifications: earbuds 3.7 V, 55 mAh, 0.2 Wh.

Not available

User-replaceable earbud batteryiThe maker documents normal battery replacement by the user with its approved procedure and tools. Service or recycling disassembly does not count.

Not available

Not available

Claimed battery lifeiManufacturer maximum runtime under the stated mode, codec and spatial processing state. Name the spatial or immersive processing mode and other conditions in source notes. Omit unspecified settings. with_case false means one charge of the earbuds. true means earbuds plus case recharges.

ASennheiser ACCENTUM True Wireless

Mode	Codec	Includes case recharges	Hours (h)
ANC off	AAC	No	8
ANC on	Not available	No	6
ANC off	AAC	Yes	28

Source1Maker product pageus.sennheiser-hearing.com/products/accentum-true-wirelessRead 16 October 2026Spec table: up to 8 hours with ANC off, 6 hours with ANC on and 28 hours overall with the case. Test condition: iPhone, mid volume level 85 dB. The 28 hours match 8 hours plus 20 hours from the case, so they are stored as an ANC-off total.2Maker spec sheet (PDF)stassen.nl/images/Senn_ACCENTUM%20TW_Spec_Sheet_EN.pdfRead 16 October 2026Battery lifespan: up to 8 hours ANC off, up to 6 hours ANC on, up to 28 hours overall with the case. Test condition: iPhone, mid volume level 85 dB.3Owner's manualbax-shop.nl/downloads/products/9000-0131-1764/atw1_manual_nl.pdfRead 16 October 2026Specifications, Operating time: 8 hours with the earbud battery and 28 hours with the case battery. Test conditions: smartphone at 1 m, Bluetooth AAC codec, volume 50 percent, ANC off.

BSony INZONE Buds

Mode	Codec	Includes case recharges	Hours (h)
ANC off	LC3	No	24
ANC on	LC3	No	18
Transparency	LC3	No	18
ANC off	2.4 GHz USB transceiver	No	12
ANC on	2.4 GHz USB transceiver	No	11
Transparency	2.4 GHz USB transceiver	No	11
ANC off	LC3	Yes	48
ANC off	2.4 GHz USB transceiver	Yes	24
Call	LC3	No	11

Source1Owner's manualhelpguide.sony.net/mdr/2977/v1/en/print.pdfRead 13 October 2026Available operating time. Game and chat over the transceiver: ANC on 11 hours, Ambient Sound Mode on 11 hours, off 12 hours. Bluetooth LC3 music: ANC on 18, Ambient Sound Mode on 18, off 24. Bluetooth communication time: ANC on 10, Ambient Sound Mode on 10, off 11. Earbuds only on one full charge. The call row stores the NC-off figure because the call enum has no ANC state. Totals with case come from the Sony specification table on the retailer page. The transceiver connection is written in the codec column.2Retailer pageworldwidestereo.com/products/sony-wf-g700n-inzone-buds-truly-wireless-noise-cancelling-earbud-bundle-with-gsport-case-blackRead 13 October 2026Sony specification block on the retailer page. Buds plus case: USB transceiver connection max 24 hours (NC OFF), Bluetooth (LE Audio) max 48 hours (NC OFF). This is a bundle listing with a gSport case. The earbuds specification is the same.3Maker product pagestore.sony.com.sg/blogs/7725297303707_43621638013083/7725297303707__specificationsRead 13 October 2026Same Sony figures as the manual: USB transceiver 12 hours NC off, 11 hours NC on. Bluetooth LE Audio 24 hours NC off, 18 hours NC on. Communication time Bluetooth 11 hours NC off, 10 hours NC on.

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

24h=CalculatedFrom Claimed battery life

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

6h=CalculatedFrom Claimed battery life

18h=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.

8h=CalculatedFrom Claimed battery life

24h=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.

28h=CalculatedFrom Claimed battery life

48h=CalculatedFrom Claimed battery life

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

Not available

Not available

Talk time (claimed)

Not available

11h=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

120min1Owner's manualhelpguide.sony.net/mdr/2977/v1/en/print.pdfRead 13 October 2026Charging: fully charging the left and right units takes about 2 hours from a charged case. Specifications list approx. 2 hours (headset).

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.

A full charge of the case and the earbuds together takes about 1.5 hours. Ambient temperatures below 15 C or above 30 C and Qi wireless charging lengthen the time. Charging works between 5 C and 35 C. The case takes 5 V over USB-C. The spec sheet and manual say 500 mA at most and the US page says 1000 mA at most. A battery protection mode charges the earbuds to about 80 percent.1Maker product pageus.sennheiser-hearing.com/products/accentum-true-wirelessRead 16 October 2026Spec table: charging time about 1.5 hours for a full charge, with the temperature remark. Power supply 5 V, 1000 mA max, USB-C and Qi.2Maker spec sheet (PDF)stassen.nl/images/Senn_ACCENTUM%20TW_Spec_Sheet_EN.pdfRead 16 October 2026Power supply: 5 V, 500 mA max over USB-C. The US page prints 1000 mA max. Charging temperature 5 to 35 C.3Owner's manualbax-shop.nl/downloads/products/9000-0131-1764/atw1_manual_nl.pdfRead 16 October 2026A full charge cycle of the case and the earbuds takes about 1.5 hours. The battery protection mode charges to about 80 percent. The case input is 5 V, 500 mA max.

Not available

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

10min1Maker product pageus.sennheiser-hearing.com/products/accentum-true-wirelessRead 16 October 2026Spec table: after 10 minutes of charging, 1 hour of music playtime.5Press releasenewsroom.sennheiser.com/pocketable-powerhouse-this-is-accentum-true-wirelessRead 16 October 2026Quick charging over USB gives up to 1 hour of playback in about 10 minutes.

5min1Owner's manualhelpguide.sony.net/mdr/2977/v1/en/print.pdfRead 13 October 2026Available operating time: about 1 hour of use after 5 minutes of charging.

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.

1h1Maker product pageus.sennheiser-hearing.com/products/accentum-true-wirelessRead 16 October 2026Spec table: after 10 minutes of charging, 1 hour of music playtime. Volume and ANC state are not stated.5Press releasenewsroom.sennheiser.com/pocketable-powerhouse-this-is-accentum-true-wirelessRead 16 October 2026Up to 1 hour of playback in about 10 minutes.

1h1Owner's manualhelpguide.sony.net/mdr/2977/v1/en/print.pdfRead 13 October 2026Same sentence. Earbuds only. Codec and ANC state are not stated.

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.

400mAh1Maker product pageus.sennheiser-hearing.com/products/accentum-true-wirelessRead 16 October 2026Spec table: charging case 400-420 mAh. The lower figure is stored. The manual lists 1.48 to 1.56 Wh at 3.7 V.2Maker spec sheet (PDF)stassen.nl/images/Senn_ACCENTUM%20TW_Spec_Sheet_EN.pdfRead 16 October 2026Battery type: charging case 400-420 mAh.3Owner's manualbax-shop.nl/downloads/products/9000-0131-1764/atw1_manual_nl.pdfRead 16 October 2026Specifications: charging case 3.7 V, 400-420 mAh, 1.48-1.56 Wh. The lower figure is stored.

Not available

User-replaceable case batteryiThe maker documents normal case battery replacement by the user with its approved procedure and tools. Service or recycling disassembly does not count.

Not available

Not available

Case charging port

USB-C1Maker product pageus.sennheiser-hearing.com/products/accentum-true-wirelessRead 16 October 2026Spec table: USB charging via USB-C socket at the charging case.

USB-C1Owner's manualhelpguide.sony.net/mdr/2977/v1/en/print.pdfRead 13 October 2026Charging uses the supplied USB Type-C cable (USB-A to USB-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

180min1Owner's manualhelpguide.sony.net/mdr/2977/v1/en/print.pdfRead 13 October 2026Specifications: approx. 3 hours (charging case). The headset and case together take about 3 hours.

Wireless charging

Yes1Maker product pageus.sennheiser-hearing.com/products/accentum-true-wirelessRead 16 October 2026Page: convenient Qi wireless or USB-C charging.3Owner's manualbax-shop.nl/downloads/products/9000-0131-1764/atw1_manual_nl.pdfRead 16 October 2026The case charges by USB cable or on a Qi-compatible wireless charger.5Press releasenewsroom.sennheiser.com/pocketable-powerhouse-this-is-accentum-true-wirelessRead 16 October 2026Both USB-C and Qi wireless charging are available in the case.

Not available

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

Qi1Maker product pageus.sennheiser-hearing.com/products/accentum-true-wirelessRead 16 October 2026Page: Qi wireless charging.3Owner's manualbax-shop.nl/downloads/products/9000-0131-1764/atw1_manual_nl.pdfRead 16 October 2026Qi-compatible wireless charging station.

Not available

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

Not available

Not available

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

Not available

Not available

Screen on case

Not available

Not available

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

Not available

Not available

Controls

2 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.

Touch1Maker product pageus.sennheiser-hearing.com/products/accentum-true-wirelessRead 16 October 2026Page: touch interface.3Owner's manualbax-shop.nl/downloads/products/9000-0131-1764/atw1_manual_nl.pdfRead 16 October 2026Touch control surface on each earbud.

Touch1Owner's manualhelpguide.sony.net/mdr/2977/v1/en/print.pdfRead 13 October 2026

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

Touch3Owner's manualbax-shop.nl/downloads/products/9000-0131-1764/atw1_manual_nl.pdfRead 16 October 2026Touch and hold the left surface to lower the volume and the right surface to raise it.

Touch1Owner's manualhelpguide.sony.net/mdr/2977/v1/en/print.pdfRead 13 October 2026

Gestures

Right tap once: play or pause, answer a call, Left tap once: transparency mode on or off, Left tap twice: previous track, Right tap twice: next track, Left tap three times: ANC on or off, Right tap three times: voice assistant, Touch and hold left: volume down, Touch and hold right: volume up, Tap twice in a call: end a call or reject an incoming call, Tap once in a call: mute or unmute the microphones3Owner's manualbax-shop.nl/downloads/products/9000-0131-1764/atw1_manual_nl.pdfRead 16 October 2026Operation chapter: tap and hold gestures for volume, transparency, ANC, voice assistant, playback and calls. Controls can be changed in the app.

Left tap: switch noise canceling and Ambient Sound Mode, Left hold: microphones on or off, Right tap: volume up, Right hold: volume down, Tap twice over Bluetooth: answer, end or cancel a call1Owner's manualhelpguide.sony.net/mdr/2977/v1/en/print.pdfRead 13 October 2026Default touch sensor table. Left: tap switches noise canceling and Ambient Sound Mode. Over Bluetooth tap twice answers, ends or cancels a call and hold rejects a call or switches the microphones. Right: tap raises volume and hold lowers it.

Remappable controls

Yes1Maker product pageus.sennheiser-hearing.com/products/accentum-true-wirelessRead 16 October 2026Page: the customizable touch interface controls playback, calls and voice assistant.3Owner's manualbax-shop.nl/downloads/products/9000-0131-1764/atw1_manual_nl.pdfRead 16 October 2026In the app you can customise control functions, select presets or switch them off. Some basic functions such as phone control cannot be changed.

Yes1Owner's manualhelpguide.sony.net/mdr/2977/v1/en/print.pdfRead 13 October 2026Touch sensor functions can be changed in INZONE Hub or the Sony | Headphones Connect app.

Voice assistant

Siri, Google Assistant3Owner's manualbax-shop.nl/downloads/products/9000-0131-1764/atw1_manual_nl.pdfRead 16 October 2026Triple tap on the right earbud starts the voice assistant of your device, for example Siri or Google Assistant.

Not available

Sensors and health

2 of 9 differ

In-ear detection

Yes3Owner's manualbax-shop.nl/downloads/products/9000-0131-1764/atw1_manual_nl.pdfRead 16 October 2026Smart Pause: music pauses when you take an earbud out and resumes when you put it back. It can be turned off in the app.

Yes1Owner's manualhelpguide.sony.net/mdr/2977/v1/en/print.pdfRead 13 October 2026Parts list names IR sensors. They detect insertion and removal to control the touch sensors and voice guidance. The app sets automatic music pause and resume.

Sensors

Not available

IR sensors, Touch sensors1Owner's manualhelpguide.sony.net/mdr/2977/v1/en/print.pdfRead 13 October 2026

Heart rate sensor

Not available

Not available

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

Not available

Not available

Hearing aid featureiAmplification for mild to moderate hearing loss

Not available

Not available

Medical clearances

Not available

Not available

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

Yes1Maker product pageus.sennheiser-hearing.com/products/accentum-true-wirelessRead 16 October 2026Sound Check and Sound Personalization are listening preference tests. No medical hearing test is claimed.8Reviewsoundguys.com/sennheiser-accentum-true-wireless-review-116713Read 16 October 2026Sound Check listening test. It is not a medical hearing test.

Not available

Hearing protectioniLimits sudden loud sounds

Not available

Not available

Health features

Not available

Not available

Fit and durability

2 of 7 differ

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

XS, S, M, L1Maker product pageus.sennheiser-hearing.com/products/accentum-true-wirelessRead 16 October 2026What's in the box: ear tip sets XS, S, M and L.3Owner's manualbax-shop.nl/downloads/products/9000-0131-1764/atw1_manual_nl.pdfRead 16 October 2026Four silicone ear tip sizes XS, S, M and L. Size M is fitted on delivery.

SS, S, M, LL1Owner's manualhelpguide.sony.net/mdr/2977/v1/en/print.pdfRead 13 October 2026Hybrid silicone rubber earbud tips SS, S, M and LL, two each. M tips come attached.

Ear tip materials

Silicone1Maker product pageus.sennheiser-hearing.com/products/accentum-true-wirelessRead 16 October 2026The page names ear tips. The manual says silicone.3Owner's manualbax-shop.nl/downloads/products/9000-0131-1764/atw1_manual_nl.pdfRead 16 October 2026Silicone ear tips.

Silicone1Owner's manualhelpguide.sony.net/mdr/2977/v1/en/print.pdfRead 13 October 2026Sony calls them hybrid silicone rubber earbud tips. No foam is stated, so silicone is stored.

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

Not available

Not available

Ear tip fit test

Yes3Owner's manualbax-shop.nl/downloads/products/9000-0131-1764/atw1_manual_nl.pdfRead 16 October 2026Fit Test function in the Smart Control app.

Yes1Owner's manualhelpguide.sony.net/mdr/2977/v1/en/print.pdfRead 13 October 2026INZONE Hub and the app have an assist function to determine the optimal earbud tips.

Dust and water rating, buds

IP541Maker product pageus.sennheiser-hearing.com/products/accentum-true-wirelessRead 16 October 2026Spec table: IP54, splash resistant, earbuds only.2Maker spec sheet (PDF)stassen.nl/images/Senn_ACCENTUM%20TW_Spec_Sheet_EN.pdfRead 16 October 2026Weather resistance: IP54, earbuds only.3Owner's manualbax-shop.nl/downloads/products/9000-0131-1764/atw1_manual_nl.pdfRead 16 October 2026Earbuds splash resistant to IP54. The charging case is not splash proof.

IPX4 equivalent2Retailer pageworldwidestereo.com/products/sony-wf-g700n-inzone-buds-truly-wireless-noise-cancelling-earbud-bundle-with-gsport-case-blackRead 13 October 2026Specification: Waterproof IPX4 equivalent.3Maker product pagestore.sony.com.sg/blogs/7725297303707_43621638013083/7725297303707__specificationsRead 13 October 2026IPX4 equivalent.7Reviewm.gsmarena.com/sony_inzone_buds_review-amp-62784.phpRead 13 October 2026Review: rated at IPX4.

Dust and water rating, case

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Water resistance depth

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Software

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Companion app

Sennheiser Smart Control1Maker product pageus.sennheiser-hearing.com/products/accentum-true-wirelessRead 16 October 2026Spec table: Sennheiser Smart Control app. The page also names a Smart Control Plus app.3Owner's manualbax-shop.nl/downloads/products/9000-0131-1764/atw1_manual_nl.pdfRead 16 October 2026Sennheiser Smart Control app.

INZONE Hub, Sony | Headphones Connect1Owner's manualhelpguide.sony.net/mdr/2977/v1/en/print.pdfRead 13 October 2026INZONE Hub on a computer and the Sony | Headphones Connect app on an Android smartphone that supports LE Audio.

App platforms

Android, iOS1Maker product pageus.sennheiser-hearing.com/products/accentum-true-wirelessRead 16 October 2026Spec table: Smart Control app for iOS and Android.

Windows, Android1Owner's manualhelpguide.sony.net/mdr/2977/v1/en/print.pdfRead 13 October 2026INZONE Hub compatible OS Windows 10 or later. Headphones Connect from Google Play.

User firmware updates

Yes3Owner's manualbax-shop.nl/downloads/products/9000-0131-1764/atw1_manual_nl.pdfRead 16 October 2026Free firmware updates through the Smart Control app.

Yes1Owner's manualhelpguide.sony.net/mdr/2977/v1/en/print.pdfRead 13 October 2026INZONE Hub and the app check and update the headset software.

Finding network

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Precision findingiUWB in the case

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Live translation

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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)1Maker product pageus.sennheiser-hearing.com/products/accentum-true-wirelessRead 16 October 2026Spec table: 5.5 g single earbud.2Maker spec sheet (PDF)stassen.nl/images/Senn_ACCENTUM%20TW_Spec_Sheet_EN.pdfRead 16 October 2026Product weight: 5.5 g single earbud.3Owner's manualbax-shop.nl/downloads/products/9000-0131-1764/atw1_manual_nl.pdfRead 16 October 2026Specifications: earbud approx. 5.5 g each.

6.5g(0.2 oz)1Owner's manualhelpguide.sony.net/mdr/2977/v1/en/print.pdfRead 13 October 2026Approx. 6.5 g x 2 including M earbud tips (white, black). Glass purple is 6.7 g.3Maker product pagestore.sony.com.sg/blogs/7725297303707_43621638013083/7725297303707__specificationsRead 13 October 2026Sony Singapore specification: approx. 6.5 g x 2.

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

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

41g(1.4 oz)1Maker product pageus.sennheiser-hearing.com/products/accentum-true-wirelessRead 16 October 2026Spec table: 41 g charging case. The 52 g total equals the case plus two earbuds, so this is the empty case.2Maker spec sheet (PDF)stassen.nl/images/Senn_ACCENTUM%20TW_Spec_Sheet_EN.pdfRead 16 October 2026Product weight: 41 g charging case.3Owner's manualbax-shop.nl/downloads/products/9000-0131-1764/atw1_manual_nl.pdfRead 16 October 2026Specifications: charging case approx. 41 g. Both earbuds and case approx. 52 g.

50g(1.8 oz)1Owner's manualhelpguide.sony.net/mdr/2977/v1/en/print.pdfRead 13 October 2026Approx. 50 g (white, black). Glass purple is 53 g.

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

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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

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FCC IDs

2A3ULATW14Regulatory filingcdn.sennheiser-hearing.com/product-documents/product-downloads/accentum-true-wireless/safety_instruction/Compliance_Information_ACCENTUM_True_Wireless.pdfRead 16 October 2026Compliance Information: FCC ID 2A3ULATW1 on the earbud models ATW1 R and ATW1 L. The charging case ATW1 C shows no FCC ID.

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Other certifications

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In the box

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In the box

Earbud R (ATW1 R) and earbud L (ATW1 L), Charging case (ATW1 C) with built-in battery and wireless charging, USB cable with USB-C and USB-A connector, approx. 0.4 m, Silicone ear tips in sizes XS, S, M (fitted on delivery) and L, Quick guide, Safety guide1Maker product pageus.sennheiser-hearing.com/products/accentum-true-wirelessRead 16 October 2026What's in the box and the manual's delivery list.3Owner's manualbax-shop.nl/downloads/products/9000-0131-1764/atw1_manual_nl.pdfRead 16 October 2026Scope of delivery chapter.

Wireless Noise Canceling Gaming Headset (1), USB Type-C cable (USB-A to USB-C) (1), Hybrid silicone rubber earbud tips (SS/S/M/LL 2 each), Charging case (1), USB Type-C Transceiver YY2980 (1), Documents (1 set)1Owner's manualhelpguide.sony.net/mdr/2977/v1/en/print.pdfRead 13 October 2026Included items list.

Cables included

ASennheiser ACCENTUM True Wireless

Type	Length (m)	Count
USB-C to USB-A	0.4	1

Source1Maker product pageus.sennheiser-hearing.com/products/accentum-true-wirelessRead 16 October 2026What's in the box: one USB-C charging cable.3Owner's manualbax-shop.nl/downloads/products/9000-0131-1764/atw1_manual_nl.pdfRead 16 October 2026USB cable with USB-C and USB-A connector, approx. 0.4 m.

BSony INZONE Buds

Type	Count
USB-A to USB-C	1

Source1Owner's manualhelpguide.sony.net/mdr/2977/v1/en/print.pdfRead 13 October 2026USB Type-C cable (USB-A to USB-C), length not stated.

Links

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Product page

us.sennheiser-hearing.com/products/accentum-true-wireless1Maker product pageus.sennheiser-hearing.com/products/accentum-true-wirelessRead 16 October 2026US maker product page.

www.sony.com.au/gaming-gear/products/inzone-buds4Maker product pagesony.com.au/gaming-gear/products/inzone-buds/specRead 13 October 2026Sony Australia product page. It is blocked to the research agents. Used as a link only. No values were taken from it.

Spec sheet

stassen.nl/images/Senn_ACCENTUM%20TW_Spec_Sheet_EN.pdf2Maker spec sheet (PDF)stassen.nl/images/Senn_ACCENTUM%20TW_Spec_Sheet_EN.pdfRead 16 October 2026Sennheiser English spec sheet, as hosted by a distributor.

www.sony.com.au/gaming-gear/products/inzone-buds/spec4Maker product pagesony.com.au/gaming-gear/products/inzone-buds/specRead 13 October 2026Sony Australia specification tab. Link only. The same Sony specification values were read on the Singapore store page and the retailer page.

Manual

www.bax-shop.nl/downloads/products/9000-0131-1764/atw1_manual_nl.pdf3Owner's manualbax-shop.nl/downloads/products/9000-0131-1764/atw1_manual_nl.pdfRead 16 October 2026Dutch manual, version 04/24 A01, hosted by a retailer. It is the maker's manual for ATW1. The English copy was not reachable on the maker's CDN.

helpguide.sony.net/mdr/2977/v1/en/print.pdf1Owner's manualhelpguide.sony.net/mdr/2977/v1/en/print.pdfRead 13 October 2026

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

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Warranty

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

1year1Maker product pageus.sennheiser-hearing.com/products/accentum-true-wirelessRead 16 October 2026US store: 1-year manufacturer warranty. The EU manual says 24 months.3Owner's manualbax-shop.nl/downloads/products/9000-0131-1764/atw1_manual_nl.pdfRead 16 October 2026EU manual: the maker grants a 24-month warranty. The US store says 1 year and is stored.

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