Earbuds / Compare

Bose Ultra Open Earbuds vs Sony LinkBuds Clip

A

Product A: Bose

Ultra Open Earbuds

64 of 166 known

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B

Product B: Sony

LinkBuds Clip

66 of 166 known

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All 166 fields

Every value links to where we found it.

Only differences

ABose Ultra Open Earbuds

BSony LinkBuds Clip

General

7 of 8 differ

Series

Not available

LinkBuds8Reviewsoundguys.com/sony-linkbuds-clip-review-152048Read 13 October 2026Review calls it a solid addition to the LinkBuds line.

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

438926, 926L, 926R, 881046-0010, 881046-0020, 881046-0030, 881046-0040, 881046-0050, 881046-0060, 881046-0070, 881046-0100, 881046-0200, 881046-0300, 881046-0400, 881046-0600, 881046-0700, 881046-0800, 881046-09002Owner's manualassets.bosecreative.com/m/65e13aaa016a23ac/original/889371_OG_ULT-HEADPHONEOPN_en.pdfRead 10 October 2026Printed page 4 and 6: case model 438926, left earbud 926L, right earbud 926R. The 881046 numbers are the SKUs in the product page offer data.

WF-LC900, YY2999, WFLC900/B, WFLC900B.UC1Owner's manualhelpguide.sony.net/mdr/2999/v1/en/print.pdfRead 13 October 2026Cover page: Model YY2999. Support page and parts list name WF-LC900.4Retailer pageworldwidestereo.com/products/sony-linkbuds-clip-truly-wireless-open-earbuds-blackRead 13 October 2026Retailer model WFLC900/B. SoundGuys lists WFLC900B.UC for the same black US model.8Reviewsoundguys.com/sony-linkbuds-clip-review-152048Read 13 October 2026Spec table: model number WFLC900B.UC (black, US).

GTIN / EAN

Not available

0272429340544Retailer pageworldwidestereo.com/products/sony-linkbuds-clip-truly-wireless-open-earbuds-blackRead 13 October 2026UPC 027242934054 for model WFLC900/B (black).

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

15 February 20241Press releasebose.com/pressroom/bose-ultra-open-earbudsRead 10 October 2026February 15, 2024 launch announcement.

21 January 20262Press releasesony.mediaroom.com/2026-01-21-Sony-Electronics-Unveils-LinkBuds-Clip-Open-EarbudsRead 13 October 2026Sony Electronics release dated Jan. 21, 2026.

Status

Available3Maker product pagebose.com/p/earbuds/bose-ultra-open-earbuds/ULT-HEADPHONEOPN.htmlRead 10 October 2026Bose.com US listing in stock on the access date.

Available2Press releasesony.mediaroom.com/2026-01-21-Sony-Electronics-Unveils-LinkBuds-Clip-Open-EarbudsRead 13 October 2026Available now at Sony.com, Amazon, Best Buy and other authorized dealers.

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.

Bose Ultra Open Earbuds (2nd Gen)8Press releasebose.com/pressroom/bose-sport-open-earbuds-and-bose-ultra-open-earbuds-2nd-genRead 10 October 2026September 17, 2026 release: the Ultra Open Earbuds (2nd Gen) build on the original cuff design.

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.

$2991Press releasebose.com/pressroom/bose-ultra-open-earbudsRead 10 October 2026Press release: available starting today for $299. US price, sales tax not included.

$229.992Press releasesony.mediaroom.com/2026-01-21-Sony-Electronics-Unveils-LinkBuds-Clip-Open-EarbudsRead 13 October 2026Suggested retail price $229.99 USD at Sony.com, Amazon, Best Buy and other authorized dealers. Available now.

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

€1997Reviewt3.com/tech/earbuds/sony-linkbuds-clip-reviewRead 13 October 2026Review price line: sold at Sony UK, US, EU and AU for 179.99 GBP, 229.99 USD, 199 EUR and 329.95 AUD. EUR price as published for the EU, 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, GB, DE, FR4Maker product pagebose.de/p/earbuds/bose-ultra-open-earbuds/ULT-HEADPHONEOPN.htmlRead 10 October 2026Bose Germany store offers the product in stock in EUR.5Maker product pagebose.co.uk/p/earbuds/bose-ultra-open-earbuds/ULT-HEADPHONEOPN.htmlRead 10 October 2026Bose UK store offers the product in stock in GBP.6Maker product pagebose.fr/p/earbuds/bose-ultra-open-earbuds/ULT-HEADPHONEOPN.htmlRead 10 October 2026Bose France store offers the product in stock in EUR.13Maker product pagebose.ca/en/p/earbuds/bose-ultra-open-earbuds/ULT-HEADPHONEOPN.htmlRead 10 October 2026Bose Canada store offers the product in stock in CAD.

US, GB, EU, AU, JP6Spec databasekakaku.com/item/K0001765684/specRead 13 October 2026Sold in Japan.7Reviewt3.com/tech/earbuds/sony-linkbuds-clip-reviewRead 13 October 2026Sold at Sony UK, US, EU and AU. Japan from kakaku.com. Tom's Guide lists Bluetooth 4.3, which conflicts with Sony and SoundGuys and is not used.

ColoursiThe maker's own colour names

Black, White Smoke, Lunar Blue, Diamond 60th Edition, Moonstone Blue, Chilled Lilac, Sunset Iridescent, Deep Plum, Carbon Blue, Midnight Violet, Moonlight Grey, Driftwood Sand, Desert Gold3Maker product pagebose.com/p/earbuds/bose-ultra-open-earbuds/ULT-HEADPHONEOPN.htmlRead 10 October 2026Color names from the page offer data. Black and White Smoke are the launch colors. The others are limited editions, some out of stock.

Black, Greige, Green, Lavender2Press releasesony.mediaroom.com/2026-01-21-Sony-Electronics-Unveils-LinkBuds-Clip-Open-EarbudsRead 13 October 2026Black, greige, green and lavender.

Segment

Not available

Music2Press releasesony.mediaroom.com/2026-01-21-Sony-Electronics-Unveils-LinkBuds-Clip-Open-EarbudsRead 13 October 2026Music and entertainment listening. Sony sells it in its headphones range.

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.

Open-ear2Owner's manualassets.bosecreative.com/m/65e13aaa016a23ac/original/889371_OG_ULT-HEADPHONEOPN_en.pdfRead 10 October 2026Printed page 14: the speaker rests on the inner surface of the ear and is not inserted into the ear canal.

Open-ear2Press releasesony.mediaroom.com/2026-01-21-Sony-Electronics-Unveils-LinkBuds-Clip-Open-EarbudsRead 13 October 2026Truly wireless open-clip earbuds with a C-shaped design that does not intrude into the ear canal.

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

Ear cuff2Owner's manualassets.bosecreative.com/m/65e13aaa016a23ac/original/889371_OG_ULT-HEADPHONEOPN_en.pdfRead 10 October 2026Printed page 13: the speaker hooks in the ear and the barrel wraps behind the ear. Bose calls it cuff-shaped.

Ear cuff1Owner's manualhelpguide.sony.net/mdr/2999/v1/en/print.pdfRead 13 October 2026Wearing section: clamp the headset on the thin edge of the ear, similar to an ear cuff. Parts list names the earcuff body and flexible clip.

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

Either bud2Owner's manualassets.bosecreative.com/m/65e13aaa016a23ac/original/889371_OG_ULT-HEADPHONEOPN_en.pdfRead 10 October 2026Printed page 50 troubleshooting: if you are wearing only one earbud, place the other in the case. Either earbud is not specified further.

Either bud1Owner's manualhelpguide.sony.net/mdr/2999/v1/en/print.pdfRead 13 October 2026Using only one headset unit: either unit can be removed from the case and used alone. In factory settings music playback sits on the right unit.

RGB lighting

Not available

Not available

Drivers and sound

5 of 17 differ

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

ABose Ultra Open Earbuds

Not available

BSony LinkBuds Clip

Type	Diameter (mm)	Count per earbud
Dynamic	10	1

Source4Retailer pageworldwidestereo.com/products/sony-linkbuds-clip-truly-wireless-open-earbuds-blackRead 13 October 2026Driver unit 10.0 mm. Headphone type open air. Driver kind from T3 below.6Spec databasekakaku.com/item/K0001765684/specRead 13 October 2026Driver unit 10 mm (Japanese model WF-LC900 black). Sales date February 6, 2026 in Japan.7Reviewt3.com/tech/earbuds/sony-linkbuds-clip-reviewRead 13 October 2026

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

Not available

Dynamic7Reviewt3.com/tech/earbuds/sony-linkbuds-clip-reviewRead 13 October 2026Review text: 10 mm dynamic drivers.

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

Not available

10mm=CalculatedFrom Drivers per bud

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

Not available

1=CalculatedFrom Drivers per bud

Diaphragm material

Not available

Not available

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

Not available

Not available

Impedance

Not available

Not available

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

Not available

Not available

Sensitivity reference

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

Personalised soundiA profile from a hearing test or ear scan

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.

32Owner's manualassets.bosecreative.com/m/65e13aaa016a23ac/original/889371_OG_ULT-HEADPHONEOPN_en.pdfRead 10 October 2026Printed page 19: bass, midrange and treble are adjusted in the Bose app.

102Press releasesony.mediaroom.com/2026-01-21-Sony-Electronics-Unveils-LinkBuds-Clip-Open-EarbudsRead 13 October 202610-band EQ customizable in the Sony | Sound Connect app.

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

Not available

Not available

Volume limit

Not available

Not available

Spatial audio

2 of 2 differ

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

Bose Immersive Audio2Owner's manualassets.bosecreative.com/m/65e13aaa016a23ac/original/889371_OG_ULT-HEADPHONEOPN_en.pdfRead 10 October 2026Printed page 21: Immersive Audio with Motion, Still and Off settings.

360 Reality Audio1Owner's manualhelpguide.sony.net/mdr/2999/v1/en/print.pdfRead 13 October 2026Sound Connect app lists 360 Reality Audio Setup. About 360 Reality Audio page describes the conditions of use.

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

Yes2Owner's manualassets.bosecreative.com/m/65e13aaa016a23ac/original/889371_OG_ULT-HEADPHONEOPN_en.pdfRead 10 October 2026Printed page 21: Motion keeps the sound in front of you as you move. Still keeps virtual speakers fixed and recenters a few seconds after movement stops.

Not available

Noise cancelling

0 of 11 differ

Active noise cancelling

No3Maker product pagebose.com/p/earbuds/bose-ultra-open-earbuds/ULT-HEADPHONEOPN.htmlRead 10 October 2026Technical specifications: Noise Cancelling No.

No8Reviewsoundguys.com/sony-linkbuds-clip-review-152048Read 13 October 2026FAQ: no noise cancellation. Review: no noise cancelation feature.

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

Not available

Not available

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

Not available

Not available

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

Not available

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

Not available

Not available

Adjustable transparency

Not available

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.

Not available

Not available

Measured

5 of 23 differ

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

Measured response is far from the SoundGuys headphone preference curve. It lines up in the mid-range, has no bass response and has a sharp spike in the upper mid-range.10Measurementsoundguys.com/bose-ultra-open-earbuds-review-113271Read 10 October 2026Objective Measurements section. Firmware 1.10.4, Bose Music app 9.1.8, default settings. No numeric deviation stored.

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

Voices are clear in ideal conditions but the microphone is rated subpar. Wind noise is not rejected in the simulated outdoor test.10Measurementsoundguys.com/bose-ultra-open-earbuds-review-113271Read 10 October 2026Microphone demos in ideal, office, street, windy and reverberant conditions. Reviewer rates the microphone subpar.

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.

ABose Ultra Open Earbuds

ANC	Hours (h)
No	8.88

Source10Measurementsoundguys.com/bose-ultra-open-earbuds-review-113271Read 10 October 2026SoundGuys standardized battery test: 8 hours 53 minutes. Firmware 1.10.4, app 9.1.8. Earbuds only, one charge. Codec and volume are not stated. No ANC.

BSony LinkBuds Clip

ANC	Hours (h)
No	7.17

Source9Measurementsoundguys.com/sony-linkbuds-clip-review-152048Read 13 October 2026Lab test, single charge, 7 hours 10 minutes. SoundGuys level-matched battery test. Firmware v1.0.3, Sound Connect app 12.5.0. Codec and volume not stated.

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

8.88h=CalculatedFrom Battery life (measured)

7.17h=CalculatedFrom Battery life (measured)

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

Not available

Not available

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

Not available

Not available

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

Not available

6.2g(0.2 oz)9Measurementsoundguys.com/sony-linkbuds-clip-review-152048Read 13 October 2026Weighed earbud 6.2 g. Case 41.7 g.

Microphones and calls

2 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

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.

Not available

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

Yes2Press releasesony.mediaroom.com/2026-01-21-Sony-Electronics-Unveils-LinkBuds-Clip-Open-EarbudsRead 13 October 2026Bone conduction sensor precisely captures the voice.5Maker product pageexperience.sony-asia.com/sg/home/exploredetail/1214Read 13 October 2026Bone conduction sensors detect voice vibrations from the jawbone.

Mic noise reduction

Not available

AI2Press releasesony.mediaroom.com/2026-01-21-Sony-Electronics-Unveils-LinkBuds-Clip-Open-EarbudsRead 13 October 2026AI-based noise reduction system removes background noise.

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

Not available

Not available

Connectivity

6 of 18 differ

Chip

Not available

Not available

Connections

Bluetooth3Maker product pagebose.com/p/earbuds/bose-ultra-open-earbuds/ULT-HEADPHONEOPN.htmlRead 10 October 2026Wireless Connectivity row lists Bluetooth only. The USB cable is for charging.

Bluetooth1Owner's manualhelpguide.sony.net/mdr/2999/v1/en/print.pdfRead 13 October 2026

Bluetooth

5.31Press releasebose.com/pressroom/bose-ultra-open-earbudsRead 10 October 2026Press release: Bluetooth 5.3 compatible. SoundGuys and What Hi-Fi also list Bluetooth 5.3.

5.34Retailer pageworldwidestereo.com/products/sony-linkbuds-clip-truly-wireless-open-earbuds-blackRead 13 October 20265Maker product pageexperience.sony-asia.com/sg/home/exploredetail/1214Read 13 October 2026Sony Asia explainer: Bluetooth version 5.3 with multipoint support.6Spec databasekakaku.com/item/K0001765684/specRead 13 October 2026Bluetooth 5.3 Class 1.

Bluetooth codecs

SBC, AAC, aptX Adaptive2Owner's manualassets.bosecreative.com/m/65e13aaa016a23ac/original/889371_OG_ULT-HEADPHONEOPN_en.pdfRead 10 October 2026Printed page 39: with a Snapdragon Sound certified device the earbuds stream with aptX Adaptive. SBC and AAC come from the maker product page.

SBC, AAC1Owner's manualhelpguide.sony.net/mdr/2999/v1/en/print.pdfRead 13 October 2026Supported codecs page: SBC and AAC over A2DP.

Bluetooth profiles

A2DP, HFP3Maker product pagebose.com/p/earbuds/bose-ultra-open-earbuds/ULT-HEADPHONEOPN.htmlRead 10 October 2026Wireless Connectivity row lists A2DP Bluetooth Audio Streaming, Bluetooth Low Energy and HFP Bluetooth.

A2DP, AVRCP, HSP, HFP4Retailer pageworldwidestereo.com/products/sony-linkbuds-clip-truly-wireless-open-earbuds-blackRead 13 October 2026Specification block copied from the Sony US sheet: profile A2DP, AVRCP, HSP, HFP. Supported formats SBC and AAC. Content protection SCMS-T.

LE Audio

Not available

Not available

Auracast

Not available

No8Reviewsoundguys.com/sony-linkbuds-clip-review-152048Read 13 October 2026FAQ: Auracast is not supported.

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

Yes2Owner's manualassets.bosecreative.com/m/65e13aaa016a23ac/original/889371_OG_ULT-HEADPHONEOPN_en.pdfRead 10 October 2026Printed page 33: connected to up to two devices at a time. Audio plays from one device at a time.

Yes1Owner's manualhelpguide.sony.net/mdr/2999/v1/en/print.pdfRead 13 October 2026

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

22Owner's manualassets.bosecreative.com/m/65e13aaa016a23ac/original/889371_OG_ULT-HEADPHONEOPN_en.pdfRead 10 October 2026Printed page 33 and 36: up to two devices connected at once.

21Owner's manualhelpguide.sony.net/mdr/2999/v1/en/print.pdfRead 13 October 2026Multipoint section: connected to 2 devices simultaneously. A third device replaces the one that played last.

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.

62Owner's manualassets.bosecreative.com/m/65e13aaa016a23ac/original/889371_OG_ULT-HEADPHONEOPN_en.pdfRead 10 October 2026Printed page 33: up to six devices in the earbud device list.

81Owner's manualhelpguide.sony.net/mdr/2999/v1/en/print.pdfRead 13 October 2026Pairing sections: paired with up to 8 devices. A 9th pairing replaces the oldest.

Automatic switching between own devicesiThrough the maker's account

Not available

Not available

Fast pairing

Google Fast Pair1Press releasebose.com/pressroom/bose-ultra-open-earbudsRead 10 October 2026Press release: Google Fast Pair for Android pairing.

Microsoft Swift Pair1Owner's manualhelpguide.sony.net/mdr/2999/v1/en/print.pdfRead 13 October 2026Windows 11 pairing section describes Swift Pair. The manual does not mention Google Fast Pair.

Audio sharingiShare one stream with a second pair

Not available

Not available

Wireless range (claimed)

9m2Owner's manualassets.bosecreative.com/m/65e13aaa016a23ac/original/889371_OG_ULT-HEADPHONEOPN_en.pdfRead 10 October 2026Printed pages 35 and 40: range of 30 ft or 9 m.

10m4Retailer pageworldwidestereo.com/products/sony-linkbuds-clip-truly-wireless-open-earbuds-blackRead 13 October 2026Effective 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

None of 3 known

Low latency mode

Not available

Not available

Claimed latency

Not available

Not available

Lowest claimed latency

Not available

Not available

Compatibility

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, iOS9Reviewsoundguys.com/bose-ultra-open-earbuds-review-113271Read 10 October 2026FAQ: the earbuds work with iPhone. Android support is shown by Google Fast Pair in the owner's guide.

Android, iOS, Windows, macOS1Owner's manualhelpguide.sony.net/mdr/2999/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.

ABose Ultra Open Earbuds

Not available

BSony LinkBuds Clip

Platform	Connection	Microphone works
Android	Bluetooth	Yes
iOS	Bluetooth	Yes
Windows	Bluetooth	Yes
macOS	Bluetooth	Yes

Source1Owner's manualhelpguide.sony.net/mdr/2999/v1/en/print.pdfRead 13 October 2026Pairing sections for iPhone, Android smartphone, Windows 11 and Mac (macOS 12 or later). Video call section for computers selects the Hands-Free (HFP) microphone. Microphone use on phones is covered by the Making a call and Receiving a call sections.

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

ABose Ultra Open Earbuds

Feature	Needs
Google Fast Pair	Android 6.0 or higher with Bluetooth and Location enabled.
Snapdragon Sound and aptX Adaptive	A Snapdragon Sound certified device, such as a compatible Android device.
Personal Surround	A compatible Bose Smart Soundbar, currently Bose Smart Ultra Soundbar and Bose Smart Soundbar.

Source2Owner's manualassets.bosecreative.com/m/65e13aaa016a23ac/original/889371_OG_ULT-HEADPHONEOPN_en.pdfRead 10 October 2026Printed page 38 for Fast Pair, page 39 for Snapdragon Sound, page 42 for Personal Surround.

BSony LinkBuds Clip

Feature	Needs
360 Reality Audio	A music streaming app that supports 360 Reality Audio on an iOS or Android smartphone or tablet. The app may require a fee. Not available in some countries and regions.
Google Gemini	Assign Digital assistant to one earbud in the Sound Connect app. Gemini must be the primary assistant on the phone. Not supported in some countries and regions.
Tencent Xiaowei	Available only in China.

Source1Owner's manualhelpguide.sony.net/mdr/2999/v1/en/print.pdfRead 13 October 2026

Official licence

Not available

Not available

Battery and charging

9 of 13 differ

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

Not available

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.

No2Owner's manualassets.bosecreative.com/m/65e13aaa016a23ac/original/889371_OG_ULT-HEADPHONEOPN_en.pdfRead 10 October 2026Printed page 5: do not attempt to remove the lithium-ion battery. Contact a Bose retailer or qualified professional.

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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.

ABose Ultra Open Earbuds

Mode	Spatial audio	Includes case recharges	Hours (h)
ANC off	No	No	7.5
ANC off	Yes	No	4.5
ANC off	No	Yes	27
ANC off	Yes	Yes	16.5

Source2Owner's manualassets.bosecreative.com/m/65e13aaa016a23ac/original/889371_OG_ULT-HEADPHONEOPN_en.pdfRead 10 October 2026Printed page 29. Bose test January 2024: A2DP, IEC 60268-1 pink noise, 75 dBA, 3-band EQ at zero. Up to 7.5 h with Immersive Audio and Auto Volume off. Up to 4.5 h with either on, which is the stored spatial row. Up to 3.5 h with both on. Total with the case: 27 h, 16.5 h with either on, 12 h with both on. Codec not stated. No ANC.

BSony LinkBuds Clip

Mode	Codec	Includes case recharges	Hours (h)
ANC off	AAC	No	9
ANC off	SBC	No	8
ANC off	Not available	Yes	37
Call	Not available	No	4

Source1Owner's manualhelpguide.sony.net/mdr/2999/v1/en/print.pdfRead 13 October 2026Available operating time: music AAC maximum 9 hours, SBC maximum 8 hours, communication maximum 4 hours. Earbuds only on one full charge. No ANC exists, so music rows use anc_off. The 37 hour total with case is from the maker launch release.2Press releasesony.mediaroom.com/2026-01-21-Sony-Electronics-Unveils-LinkBuds-Clip-Open-EarbudsRead 13 October 2026Up to 37 hours (9 hours earbuds plus 28 hours case) over Bluetooth. Codec not stated.

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.

7.5h=CalculatedFrom Claimed battery life

9h=CalculatedFrom Claimed battery life

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

Not available

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.

7.5h=CalculatedFrom Claimed battery life

9h=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.

27h=CalculatedFrom Claimed battery life

37h=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

4h=CalculatedFrom Claimed battery life

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

60min2Owner's manualassets.bosecreative.com/m/65e13aaa016a23ac/original/889371_OG_ULT-HEADPHONEOPN_en.pdfRead 10 October 2026Printed page 29: earbuds up to 1 hour. Bose test: depleted earbuds in a fully charged case.

90min1Owner's manualhelpguide.sony.net/mdr/2999/v1/en/print.pdfRead 13 October 2026Specifications: charging time approx. 1.5 hours (headset). Charging page: left and right units fully charged in about 1.5 hours from a charged 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.

10min2Owner's manualassets.bosecreative.com/m/65e13aaa016a23ac/original/889371_OG_ULT-HEADPHONEOPN_en.pdfRead 10 October 2026Printed page 29: a 10-minute charge with the case closed.

3min1Owner's manualhelpguide.sony.net/mdr/2999/v1/en/print.pdfRead 13 October 2026Available operating time: about 60 minutes of music playback after 3 minutes 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.

2h2Owner's manualassets.bosecreative.com/m/65e13aaa016a23ac/original/889371_OG_ULT-HEADPHONEOPN_en.pdfRead 10 October 2026Printed page 29: up to 2 hours of earbud playback after 10 minutes. Immersive Audio and Auto Volume off, 75 dBA.

1h1Owner's manualhelpguide.sony.net/mdr/2999/v1/en/print.pdfRead 13 October 2026Same sentence. Earbuds only. Codec and volume not stated.

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.

Not available

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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.

No2Owner's manualassets.bosecreative.com/m/65e13aaa016a23ac/original/889371_OG_ULT-HEADPHONEOPN_en.pdfRead 10 October 2026Printed page 5 gives the same instruction for the product. Bose sells the charging case as a replacement part.

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Case charging port

USB-C2Owner's manualassets.bosecreative.com/m/65e13aaa016a23ac/original/889371_OG_ULT-HEADPHONEOPN_en.pdfRead 10 October 2026Printed page 27: USB-C port on the bottom of the charging case.

USB-C1Owner's manualhelpguide.sony.net/mdr/2999/v1/en/print.pdfRead 13 October 2026

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

180min2Owner's manualassets.bosecreative.com/m/65e13aaa016a23ac/original/889371_OG_ULT-HEADPHONEOPN_en.pdfRead 10 October 2026Printed page 29: charging case up to 3 hours. The connection is the USB cable.

180min1Owner's manualhelpguide.sony.net/mdr/2999/v1/en/print.pdfRead 13 October 2026Specifications: charging time approx. 3 hours (charging case), by a commercially available USB Type-C cable.

Wireless charging

No7Maker product pagebose.com/p/accessories/bose-ultra-open-earbuds-wireless-charging-case-cover/CMWB-FULT_WLSCH-COVERCASE.htmlRead 10 October 2026Bose sells a Wireless Charging Case Cover as an upgrade to wireless charging. The earbuds and case as sold have no wireless charging. The 2nd gen press release also says its case is the one that now supports wireless charging.

No2Press releasesony.mediaroom.com/2026-01-21-Sony-Electronics-Unveils-LinkBuds-Clip-Open-EarbudsRead 13 October 2026No wireless charging is mentioned. USB charging only. Confirmed by SoundGuys.8Reviewsoundguys.com/sony-linkbuds-clip-review-152048Read 13 October 2026FAQ: no wireless charging. USB port is the only way to charge.

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

Not available

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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.

Not available

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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.

Button2Owner's manualassets.bosecreative.com/m/65e13aaa016a23ac/original/889371_OG_ULT-HEADPHONEOPN_en.pdfRead 10 October 2026Printed page 17: one button on each earbud barrel.

Touch1Owner's manualhelpguide.sony.net/mdr/2999/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.

Buttons2Owner's manualassets.bosecreative.com/m/65e13aaa016a23ac/original/889371_OG_ULT-HEADPHONEOPN_en.pdfRead 10 October 2026Printed page 18: double-press and hold the right button for up, the left button for down.

Touch1Owner's manualhelpguide.sony.net/mdr/2999/v1/en/print.pdfRead 13 October 2026

Gestures

Press: play or pause, answer a call, Double-press: next track, end or decline a call, Triple-press: previous track, Press and hold: shortcut, by default cycle through modes, Double-press and hold right earbud: volume up, Double-press and hold left earbud: volume down2Owner's manualassets.bosecreative.com/m/65e13aaa016a23ac/original/889371_OG_ULT-HEADPHONEOPN_en.pdfRead 10 October 2026Printed pages 17 to 20.

Double tap, Triple tap, Tap 5 or more times1Owner's manualhelpguide.sony.net/mdr/2999/v1/en/print.pdfRead 13 October 2026Tap controls table. Left unit: tap twice switches listening mode, 3 times Quick Access, 5 or more times lowers volume. Right unit: tap twice play or pause, 3 times next track, 5 or more times raises volume. Assignments can be changed in the app.

Remappable controls

Yes2Owner's manualassets.bosecreative.com/m/65e13aaa016a23ac/original/889371_OG_ULT-HEADPHONEOPN_en.pdfRead 10 October 2026Printed page 20: the shortcut on each earbud can be changed in the Bose app.

Yes1Owner's manualhelpguide.sony.net/mdr/2999/v1/en/print.pdfRead 13 October 2026

Voice assistant

Device voice control2Owner's manualassets.bosecreative.com/m/65e13aaa016a23ac/original/889371_OG_ULT-HEADPHONEOPN_en.pdfRead 10 October 2026Printed page 25: a shortcut opens the voice control of the connected device. The earbud microphones act as an extension of the device microphone.

Google Gemini, Google app voice assist, Siri, Tencent Xiaowei1Owner's manualhelpguide.sony.net/mdr/2999/v1/en/print.pdfRead 13 October 2026Manual pages for Google Gemini, voice assist function (Google app), Siri and Tencent Xiaowei. Gemini and Xiaowei are not available in all regions. Xiaowei is China only.

Sensors and health

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In-ear detection

No11Reviewwhathifi.com/reviews/bose-ultra-open-earbudsRead 10 October 2026Reviewer states there is no auto-pause when you take an earbud out.12Reviewstuff.tv/review/bose-ultra-open-earbuds-reviewRead 10 October 2026Reviewer states there is no wear detection. Music only stops when the buds go back in the charging case.

Yes4Retailer pageworldwidestereo.com/products/sony-linkbuds-clip-truly-wireless-open-earbuds-blackRead 13 October 2026Feature text: Wear to Play starts playback automatically when the earbuds are put in.

Sensors

IMU (Inertial Measurement Unit)1Press releasebose.com/pressroom/bose-ultra-open-earbudsRead 10 October 2026Press release: onboard IMU (Inertial Measurement Unit) drives Bose Immersive Audio.

Bone conduction sensor2Press releasesony.mediaroom.com/2026-01-21-Sony-Electronics-Unveils-LinkBuds-Clip-Open-EarbudsRead 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.

Not available

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Hearing protectioniLimits sudden loud sounds

Not available

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Health features

Not available

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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.

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Ear tip materials

Not available

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

Not available

Not available

Ear tip fit test

Not available

Not available

Dust and water rating, buds

IPX42Owner's manualassets.bosecreative.com/m/65e13aaa016a23ac/original/889371_OG_ULT-HEADPHONEOPN_en.pdfRead 10 October 2026Printed page 43: earbuds IPX4.

IPX41Owner's manualhelpguide.sony.net/mdr/2999/v1/en/print.pdfRead 13 October 2026Water resistance section: the headset complies with IPX4 under IEC 60529. The charging case is not water resistant.

Dust and water rating, case

IPX12Owner's manualassets.bosecreative.com/m/65e13aaa016a23ac/original/889371_OG_ULT-HEADPHONEOPN_en.pdfRead 10 October 2026Printed page 43: charging case IPX1.

Not available

Water resistance depth

Not available

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Software

1 of 6 differ

Companion app

Bose app2Owner's manualassets.bosecreative.com/m/65e13aaa016a23ac/original/889371_OG_ULT-HEADPHONEOPN_en.pdfRead 10 October 2026Printed page 12.

Sony | Sound Connect1Owner's manualhelpguide.sony.net/mdr/2999/v1/en/print.pdfRead 13 October 2026

App platforms

Android, iOS2Owner's manualassets.bosecreative.com/m/65e13aaa016a23ac/original/889371_OG_ULT-HEADPHONEOPN_en.pdfRead 10 October 2026Printed page 6 trademark notice names the Apple App Store and Google Play. The maker product page says the app is on Google Play and the Apple Store.

Android, iOS1Owner's manualhelpguide.sony.net/mdr/2999/v1/en/print.pdfRead 13 October 2026

User firmware updates

Yes2Owner's manualassets.bosecreative.com/m/65e13aaa016a23ac/original/889371_OG_ULT-HEADPHONEOPN_en.pdfRead 10 October 2026Printed page 45: earbuds update automatically through the Bose app when an update is available.

Yes1Owner's manualhelpguide.sony.net/mdr/2999/v1/en/print.pdfRead 13 October 2026

Finding network

Not available

Not available

Precision findingiUWB in the case

Not available

Not available

Live translation

Not available

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Dimensions and weight

4 of 4 differ

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

6.35g(0.2 oz)3Maker product pagebose.com/p/earbuds/bose-ultra-open-earbuds/ULT-HEADPHONEOPN.htmlRead 10 October 2026Bud Single 0.014 lb. Converted with 453.59237 g per lb to 6.35 g. The pound figure is rounded, so the true mass may differ a little. SoundGuys lists 6 g.

6.4g(0.2 oz)1Owner's manualhelpguide.sony.net/mdr/2999/v1/en/print.pdfRead 13 October 2026Specifications: approx. 6.4 g x 2 (headset). Taken as one earbud.4Retailer pageworldwidestereo.com/products/sony-linkbuds-clip-truly-wireless-open-earbuds-blackRead 13 October 2026Earbud weight approx. 6.4 g x 2. Case approx. 42 g.6Spec databasekakaku.com/item/K0001765684/specRead 13 October 20266.4 g per earbud including the fitting clip.

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

Width17Height18.5Depth27.2mm(0.7 × 0.7 × 1.1 in)4Maker product pagebose.de/p/earbuds/bose-ultra-open-earbuds/ULT-HEADPHONEOPN.htmlRead 10 October 2026Einzelner Earbud 1.85 cm H x 1.7 cm W x 2.72 cm D. Maker-labeled axes in cm, stored in mm. The US page gives the same size in inches.

Not available

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

44g(1.6 oz)3Maker product pagebose.com/p/earbuds/bose-ultra-open-earbuds/ULT-HEADPHONEOPN.htmlRead 10 October 2026Case 0.097 lb, converted to 44.0 g. Listed apart from the single bud, so read as the empty case. SoundGuys lists 57 g, which is about the case plus two earbuds.

42g(1.5 oz)1Owner's manualhelpguide.sony.net/mdr/2999/v1/en/print.pdfRead 13 October 2026Specifications: approx. 42 g (charging case).4Retailer pageworldwidestereo.com/products/sony-linkbuds-clip-truly-wireless-open-earbuds-blackRead 13 October 2026

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

Width65Height41.9Depth26.4mm(2.6 × 1.6 × 1 in)4Maker product pagebose.de/p/earbuds/bose-ultra-open-earbuds/ULT-HEADPHONEOPN.htmlRead 10 October 2026Etui 4.19 cm H x 6.5 cm W x 2.64 cm D. Maker-labeled axes. SoundGuys lists 65 x 27 x 49 mm, which differs on the height axis.

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Certifications

1 of 3 differ

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

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FCC IDs

A94926L, A94926R2Owner's manualassets.bosecreative.com/m/65e13aaa016a23ac/original/889371_OG_ULT-HEADPHONEOPN_en.pdfRead 10 October 2026Printed page 4: FCC ID A94926L / A94926R.

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Other certifications

Snapdragon Sound2Owner's manualassets.bosecreative.com/m/65e13aaa016a23ac/original/889371_OG_ULT-HEADPHONEOPN_en.pdfRead 10 October 2026Printed page 39: Snapdragon Sound technology.

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In the box

2 of 2 differ

In the box

2 Bose Ultra Open Earbuds, Charging case, USB-C (A to C) cable, Safety sheet2Owner's manualassets.bosecreative.com/m/65e13aaa016a23ac/original/889371_OG_ULT-HEADPHONEOPN_en.pdfRead 10 October 2026Printed page 11: earbuds, charging case, USB Type-C to USB-A cable. The maker page also lists a safety sheet.

Wireless Stereo Headset (1), Air Fitting Cushions for LinkBuds Clip (2), Charging case (1), Documents (1 set)1Owner's manualhelpguide.sony.net/mdr/2999/v1/en/print.pdfRead 13 October 2026Included items list.

Cables included

ABose Ultra Open Earbuds

Type	Length (m)	Count
USB Type-C to USB-A cable	0.3	1

Source5Maker product pagebose.co.uk/p/earbuds/bose-ultra-open-earbuds/ULT-HEADPHONEOPN.htmlRead 10 October 2026In the box: USB-C (A to C) cable (30 cm). The US page gives 12 inches.

BSony LinkBuds Clip

Not available

Links

Not compared

Product page

www.bose.com/p/earbuds/bose-ultra-open-earbuds/ULT-HEADPHONEOPN.html3Maker product pagebose.com/p/earbuds/bose-ultra-open-earbuds/ULT-HEADPHONEOPN.htmlRead 10 October 2026Bose US product page.

www.sony.com.au/headphones/products/linkbuds-clip3Maker product pagesony.com.au/headphones/products/linkbuds-clip/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

Not available

www.sony.com.au/headphones/products/linkbuds-clip/spec3Maker product pagesony.com.au/headphones/products/linkbuds-clip/specRead 13 October 2026Sony Australia specification tab. Link only. The same Sony specification values were read through the retailer page below.

Manual

assets.bosecreative.com/m/65e13aaa016a23ac/original/889371_OG_ULT-HEADPHONEOPN_en.pdf2Owner's manualassets.bosecreative.com/m/65e13aaa016a23ac/original/889371_OG_ULT-HEADPHONEOPN_en.pdfRead 10 October 2026Owner's guide 889371, English, copyright 2026. It covers Bose Ultra Open Earbuds with case model 438926.

helpguide.sony.net/mdr/2999/v1/en/print.pdf1Owner's manualhelpguide.sony.net/mdr/2999/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.

Not available

Not available

Warranty

1 of 1 differ

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

1year3Maker product pagebose.com/p/earbuds/bose-ultra-open-earbuds/ULT-HEADPHONEOPN.htmlRead 10 October 2026Page says Bose products come with a 1-year limited warranty from the date of purchase. US page.

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