Earbuds / Compare

Bose Ultra Open Earbuds vs Nothing Ear (open)

A

Product A: Bose

Ultra Open Earbuds

64 of 166 known

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B

Product B: Nothing

Ear (open)

73 of 166 known

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All 166 fields

Every value links to where we found it.

Only differences

ABose Ultra Open Earbuds

BNothing Ear (open)

General

7 of 8 differ

Series

Not available

Ear1Maker product pageeu.nothing.tech/products/ear-openRead 15 October 2026Marketed as Ear (open), the open-ear model of the Nothing Ear 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.

B1823Owner's manualmanualslib.tech/guide/836838/nothing-ear-open-b182-manual.htmlRead 15 October 2026The guide is titled for model B182.

GTIN / EAN

Not available

6974434223448, 69744342281221Maker product pageeu.nothing.tech/products/ear-openRead 15 October 2026Shopify variant barcodes on the EU store: White 6974434223448 and Blue 6974434228122.

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.

24 September 20246Press articlem.gsmarena.com/nothing_ear_open_debut_with_openear_design_and_30hour_battery_life-news-64668.phpRead 15 October 2026Launch article dated 24 September 2024.8Press articletechcrunch.com/2024/09/24/nothing-launches-a-slick-pair-of-149-open-ear-headphonesRead 15 October 2026Announced on Tuesday 24 September 2024 with pre-orders the same day.

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.

Available2Maker product pageus.nothing.tech/products/ear-openRead 15 October 2026US store lists the product at $99. It showed Sold out with a Notify me button on the day it was read. The EU store showed Add to bag at 99 EUR.

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

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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.

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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.

$1496Press articlem.gsmarena.com/nothing_ear_open_debut_with_openear_design_and_30hour_battery_life-news-64668.phpRead 15 October 2026Launch price $149. Excludes sales tax.7Press articlemezha.ua/en/2024/09/25/nothing-announces-ear-open-sports-headphones-with-an-open-design-and-up-to-30-hours-of-battery-lifeRead 15 October 2026$149 at launch.8Press articletechcrunch.com/2024/09/24/nothing-launches-a-slick-pair-of-149-open-ear-headphonesRead 15 October 2026$149.

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

€1496Press articlem.gsmarena.com/nothing_ear_open_debut_with_openear_design_and_30hour_battery_life-news-64668.phpRead 15 October 2026Launch price 149 EUR. The article gives no country and does not say VAT is included. Mezha repeats $149, 149 EUR and 129 GBP. The Nothing EU store shows 149 EUR as the regular price next to a sale price of 99 EUR.7Press articlemezha.ua/en/2024/09/25/nothing-announces-ear-open-sports-headphones-with-an-open-design-and-up-to-30-hours-of-battery-lifeRead 15 October 2026149 EUR at launch. Region given as Europe. VAT treatment is not stated.

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, CA, GB, EU8Press articletechcrunch.com/2024/09/24/nothing-launches-a-slick-pair-of-149-open-ear-headphonesRead 15 October 2026Shipping starts 1 October to the US, Canada, the UK and Europe.

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.

White, Blue1Maker product pageeu.nothing.tech/products/ear-openRead 15 October 2026Variant selector lists White and Blue. The Blue variant was added to the store on 2026-05-11. Only White was sold at launch.2Maker product pageus.nothing.tech/products/ear-openRead 15 October 2026US store lists White and Blue.

Segment

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Sport2Maker product pageus.nothing.tech/products/ear-openRead 15 October 2026Page description: open-ear headphones with an ear hook, perfect for running, workouts and everyday use. The page title area says designed for movement. Nothing lists the product under Audio, so sport is the closest option.

Design

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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-ear1Maker product pageeu.nothing.tech/products/ear-openRead 15 October 2026Page calls it open-ear with Open Sound Technology and says the ear canal stays open. The ear hook holds a speaker that sits over the ear.2Maker product pageus.nothing.tech/products/ear-openRead 15 October 2026Page: open-ear headphones that let you hear your surroundings.

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 hook1Maker product pageeu.nothing.tech/products/ear-openRead 15 October 2026Page describes a flexible silicone ear hook with a nickel-titanium wire.2Maker product pageus.nothing.tech/products/ear-openRead 15 October 2026Page: ergonomic ear hook and a silicone hook.

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.

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RGB lighting

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Drivers and sound

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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

BNothing Ear (open)

Type	Role	Diameter (mm)	Count per earbud
Dynamic	Full range	14.2	1

Source1Maker product pageeu.nothing.tech/products/ear-openRead 15 October 2026SPECS, Sound: 14.2 mm dynamic driver. The page describes one stepped driver per bud. Role is not stated and is entered as full range because there is one driver.

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

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Dynamic1Maker product pageeu.nothing.tech/products/ear-openRead 15 October 2026

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

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14.2mm=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.

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1=CalculatedFrom Drivers per bud

Diaphragm material

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Titanium-coated polyethylene terephthalate with patent-pending design1Maker product pageeu.nothing.tech/products/ear-openRead 15 October 2026SPECS, Sound, Diaphragm. Verbatim.

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

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Impedance

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32Ω9Reviewsoundguys.com/product/nothing-ear-openRead 15 October 2026SoundGuys spec table: impedance 32 ohm. Nothing does not publish it. Reference frequency is not stated.

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

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Sensitivity reference

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

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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.

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

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Personalised soundiA profile from a hearing test or ear scan

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Onboard EQ

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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.

81Maker product pageeu.nothing.tech/products/ear-openRead 15 October 2026Nothing X section: Advanced Equaliser with 8-band EQ. Each band can have its frequency and Q factor set in the app per other reviews.11Reviewhifi.de/test/nothing-ear-open-im-test-ein-rundes-open-ear-debuet-205793Read 15 October 2026Test text: an 8-band equalizer with settable frequency and Q factor, plus a simple 3-band EQ with four presets.

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

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Balanced, More bass, More treble, Voice5Maker product pagesupport.nothing.tech/hc/en-us/articles/28228770653073-How-many-equaliser-settings-does-Ear-open-haveRead 15 October 2026Support article: four sound effects named Balanced, More bass, More treble and Voice, plus custom effects. The support site returned 403 to a direct fetch, so the wording was read from a search result excerpt of the article. hifi.de also counts four presets.

Volume limit

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Spatial audio

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

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.

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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.

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Noise cancelling

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Active noise cancelling

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

No6Press articlem.gsmarena.com/nothing_ear_open_debut_with_openear_design_and_30hour_battery_life-news-64668.phpRead 15 October 2026Open-ear design with no active noise cancelation.

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

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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.

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

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

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

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Transparency mode

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Adjustable transparency

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

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Conversation detection

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

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Measured

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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.

SoundGuys lab chart against its Headphone Preference Curve. Minimal sub-bass (-27.7 dB at 20 Hz and -5.9 dB at 50 Hz relative to 1 kHz). A bass bump from about 60 Hz to 160 Hz peaks at +7.0 dB at 100 Hz. The response meets the midrange briefly, then rises through the treble to +14.6 dB at 8 kHz before falling away above 10 kHz.9Reviewsoundguys.com/product/nothing-ear-openRead 15 October 2026Lab chart values in dB relative, 0 dB at 1 kHz: 20 Hz -27.7, 50 Hz -5.9, 100 Hz +7.0, 160 Hz +1.3, 1 kHz 0.0, 2 kHz +5.8, 8 kHz +14.6, 10 kHz +8.2, 16 kHz -12.6, 20 Hz to 20 kHz ends at -29.3 dB. Plotted against the SoundGuys Headphone Preference Curve. Firmware 1.0.1.19, Nothing X 2.4.4 per the review.10Reviewsoundguys.com/nothing-ear-open-review-124038Read 15 October 2026Review text: the response deviates strongly from the house curve in the lows and highs, has minimal sub-bass and a bump from about 60 to 160 Hz that is more low end than usual for open-ear earbuds.

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.

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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.

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

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

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

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

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

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

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

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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.

SoundGuys microphone demonstrations. Background noise rejection is decent in simulated office and street conditions. Wind rejection is weak.10Reviewsoundguys.com/nothing-ear-open-review-124038Read 15 October 2026Review: microphone demonstrations in ideal, office, street, windy and reverberant conditions. Background noise rejection is decent in the office and street demos. Wind rejection is weak.

Mic low-frequency extension (measured)iMeasured by a reviewer, not claimed by the maker

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Mic high-frequency extension (measured)iMeasured by a reviewer, not claimed by the maker

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Mic speech-to-noise ratio (measured)iMeasured by a reviewer, not claimed by the maker

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

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

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

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

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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.

BNothing Ear (open)

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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)

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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.

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

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

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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.

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46Press articlem.gsmarena.com/nothing_ear_open_debut_with_openear_design_and_30hour_battery_life-news-64668.phpRead 15 October 2026Two mics per earbud with Clear Voice 3.0. The maker page says only two mics.7Press articlemezha.ua/en/2024/09/25/nothing-announces-ear-open-sports-headphones-with-an-open-design-and-up-to-30-hours-of-battery-lifeRead 15 October 2026Two microphones per earbud with Clear Voice 3.0.10Reviewsoundguys.com/nothing-ear-open-review-124038Read 15 October 2026Review text says two microphones per earbud. The spec table lists a dual microphone with count 2.

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.

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46Press articlem.gsmarena.com/nothing_ear_open_debut_with_openear_design_and_30hour_battery_life-news-64668.phpRead 15 October 2026Two per earbud gives four across the pair.

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

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Mic noise reduction

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AI1Maker product pageeu.nothing.tech/products/ear-openRead 15 October 2026Page: AI-enhanced Clear Voice Technology sampled on over 28 million scenarios. It reduces ambient noise for the microphone in calls.

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

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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.

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SidetoneiHear your own voice in calls

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Connectivity

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Chip

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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.

Bluetooth1Maker product pageeu.nothing.tech/products/ear-openRead 15 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.

5.31Maker product pageeu.nothing.tech/products/ear-openRead 15 October 2026SPECS, Connectivity: Bluetooth 5.3. The feature list says Bluetooth 5.3 and LE.

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, AAC1Maker product pageeu.nothing.tech/products/ear-openRead 15 October 2026SPECS, Connectivity: codecs AAC and SBC.

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.

RFCOMM, SPP, HFP, A2DP, AVDTP, AVCTP, AVRCP1Maker product pageeu.nothing.tech/products/ear-openRead 15 October 2026SPECS, Connectivity: RFCOMM, SPP, HFP, A2DP, AVDTP, AVCTP and AVRCP.

LE Audio

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Auracast

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No11Reviewhifi.de/test/nothing-ear-open-im-test-ein-rundes-open-ear-debuet-205793Read 15 October 2026Test text: Auracast is not supported and Nothing has announced no update for it.

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.

Yes1Maker product pageeu.nothing.tech/products/ear-openRead 15 October 2026Dual Connection is listed in the Nothing X features and in the footnotes. The maker page does not give the device count. SoundGuys gives 2.

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.

29Reviewsoundguys.com/product/nothing-ear-openRead 15 October 2026SoundGuys spec table: multipoint devices 2.10Reviewsoundguys.com/nothing-ear-open-review-124038Read 15 October 2026Review: the earbuds connect to two devices and switch between them.

Multipoint with LDACiMany buds turn multipoint off on LDAC

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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.

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Automatic switching between own devicesiThrough the maker's account

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Fast pairing

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

Google Fast Pair, Microsoft Swift Pair1Maker product pageeu.nothing.tech/products/ear-openRead 15 October 2026

Audio sharingiShare one stream with a second pair

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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.

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Wireless receiveri2.4 GHz dongle

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Receiver connector

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

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Latency

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Low latency mode

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Yes1Maker product pageeu.nothing.tech/products/ear-openRead 15 October 2026Low Lag Mode listed on the page and in Nothing X features.

Claimed latency

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Lowest claimed latency

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Compatibility

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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, iOS1Maker product pageeu.nothing.tech/products/ear-openRead 15 October 2026SPECS, Connectivity: Android 5.0 and above, iOS 13 and above.

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

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BNothing Ear (open)

Platform	Connection
Android	Bluetooth
iOS	Bluetooth

Source1Maker product pageeu.nothing.tech/products/ear-openRead 15 October 2026Bluetooth is the only connection. Microphone support per platform is not stated.

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.

BNothing Ear (open)

Feature	Needs
Low Lag Mode	Starts automatically when connected to a Nothing phone with Game Mode on. The maker states an end-to-end latency of less than 120 ms on its page and as low as 120 ms in its footnote. Other phones can use the mode through the Nothing X app.
Dual Connection	Must be enabled. Nothing OS 1.5.6 or later sets it up in the phone Bluetooth settings. Other Android 5.0 or later phones and iOS 13 or later devices use the Nothing X app. It may switch more slowly on some laptops.
ChatGPT voice control	Set up in the Nothing X app. The maker page says it works with Nothing audio devices and a Nothing phone with Nothing OS.
Google Fast Pair	Android phones with Google Play services 11.7 or later, Android 6.0 or later.
Nothing X app	Android 5.0 or later or iOS 13 or later. Phones that are not Nothing phones need the app for settings such as EQ and controls.

Source1Maker product pageeu.nothing.tech/products/ear-openRead 15 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

64mAh1Maker product pageeu.nothing.tech/products/ear-openRead 15 October 2026SPECS, Battery, Capacity: earbud 64 mAh. Typical or rated basis is not stated.

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.

Not available

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

ABose 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.

BNothing Ear (open)

Mode	Codec	Includes case recharges	Hours (h)
ANC off	AAC	No	8
ANC off	AAC	Yes	30
Call	Not available	No	6
Call	Not available	Yes	24

Source1Maker product pageeu.nothing.tech/products/ear-openRead 15 October 2026SPECS, Battery: playback 8 h for the earbuds and 30 h with the case. Talk time 6 h for the earbuds and 24 h with the case. Footnote 8: both fully charged, 50 percent volume, AAC format and other features at default. No ANC exists. The codec is stored only on the playback rows because the footnote names it for battery life without separating talk time.

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

8h=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

8h=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

30h=CalculatedFrom Claimed battery life

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

Not available

Not available

Talk time (claimed)

Not available

6h=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.

Not available

Charging guidanceiPublished charging guidance or estimates that do not separate earbuds and case. Preserve the maker’s component scope and limits. Do not assign an unspecified or combined estimate to a component-specific numeric field.

Not available

The maker states fast charging with a standard adapter or USB-C cable needs a 5 V 1.5 A adapter or higher. Charging and battery tests used a Nothing Power 45 W adapter at 25 degrees C. No time is stated for charging the earbuds or the case.1Maker product pageeu.nothing.tech/products/ear-openRead 15 October 2026Footnotes 7 and 8. The earbud and case charge times are not published.

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.

10min1Maker product pageeu.nothing.tech/products/ear-openRead 15 October 2026Page and footnote 9: charge for 10 minutes for 2 hours of music. Test: earbuds and case out of power, 50 percent volume, AAC, default settings, 25 degrees C.

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.

2h1Maker product pageeu.nothing.tech/products/ear-openRead 15 October 2026Page and footnote 9: 2 hours of music after 10 minutes of charging. The footnote says the earbuds and case were both out of power at the start. The figure is earbud playback.

Charging case

4 of 10 differ

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

Not available

635mAh1Maker product pageeu.nothing.tech/products/ear-openRead 15 October 2026SPECS, Battery, Capacity: case 635 mAh. Typical or rated basis is not stated.

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.

Not available

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-C1Maker product pageeu.nothing.tech/products/ear-openRead 15 October 2026SPECS: wired charging by 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.

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.

Not available

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.

No6Press articlem.gsmarena.com/nothing_ear_open_debut_with_openear_design_and_30hour_battery_life-news-64668.phpRead 15 October 2026USB-C only, no wireless charging.9Reviewsoundguys.com/product/nothing-ear-openRead 15 October 2026Cons list: no wireless charging.12Reviewgsmarena.com/nothing_ear_open_review-news-65178.phpRead 15 October 2026Review: USB-C only, no wireless charging.

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

Not available

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

No1Maker product pageeu.nothing.tech/products/ear-openRead 15 October 2026Features list an LED charging status light on the case. No screen is listed.

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

Not available

Not available

Controls

4 of 5 differ

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

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.

Pressure1Maker product pageeu.nothing.tech/products/ear-openRead 15 October 2026The page lists pinch controls. Nothing's pinch controls are a force sensor, as on other Nothing earbuds in this catalog.

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.

Pressure3Owner's manualmanualslib.tech/guide/836838/nothing-ear-open-b182-manual.htmlRead 15 October 2026Pinch and hold on each bud sets volume down or up.

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.

Pinch: play or pause, answer or end a call, Double pinch: skip forward, reject a call, Triple pinch: skip back, Pinch and hold: volume down on the left bud, volume up on the right bud3Owner's manualmanualslib.tech/guide/836838/nothing-ear-open-b182-manual.htmlRead 15 October 2026Default controls: pinch plays or pauses music or answers or ends a call, double pinch skips forward or rejects a call, triple pinch skips back, pinch and hold lowers volume on the left bud and raises it on the right bud.

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.

Yes1Maker product pageeu.nothing.tech/products/ear-openRead 15 October 2026Nothing X features: customisable controls.3Owner's manualmanualslib.tech/guide/836838/nothing-ear-open-b182-manual.htmlRead 15 October 2026In the Nothing X app some controls can be reassigned to skip back, skip forward, volume up or down or the voice assistant. The play and pause pinch is fixed.

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.

Voice assistant of the connected phone, ChatGPT (Nothing phones)1Maker product pageeu.nothing.tech/products/ear-openRead 15 October 2026Page section Ask anything: voice control for ChatGPT on Nothing audio devices and a Nothing phone, set up in Nothing X. The manual says a control can be reassigned to wake the voice assistant.3Owner's manualmanualslib.tech/guide/836838/nothing-ear-open-b182-manual.htmlRead 15 October 2026A control can be reassigned to wake the voice assistant.

Sensors and health

1 of 9 differ

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.

No9Reviewsoundguys.com/product/nothing-ear-openRead 15 October 2026The review pros and cons and spec table list no wear detection feature. hifi.de states there is none.11Reviewhifi.de/test/nothing-ear-open-im-test-ein-rundes-open-ear-debuet-205793Read 15 October 2026Test text: there is no automatic wear detection.12Reviewgsmarena.com/nothing_ear_open_review-news-65178.phpRead 15 October 2026Review: wear-detection sensors are missing.

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.

Not available

Heart rate sensor

Not available

Not available

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

Not available

Not available

Hearing aid featureiAmplification for mild to moderate hearing loss

Not available

Not available

Medical clearances

Not available

Not available

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

Not available

Not available

Hearing protectioniLimits sudden loud sounds

Not available

Not available

Health features

Not available

Not available

Fit and durability

3 of 7 differ

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

Not available

Not available

Ear tip materials

Not available

Not available

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

Not available

Ear hook1Maker product pageeu.nothing.tech/products/ear-openRead 15 October 2026Page: a triangle structure and an ear hook with a nickel-titanium wire hold the bud. Counted as an ear hook.

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.

IP541Maker product pageeu.nothing.tech/products/ear-openRead 15 October 2026SPECS and footnote 11: IP54 for the earbuds under IEC 60529.12Reviewgsmarena.com/nothing_ear_open_review-news-65178.phpRead 15 October 2026Review: IP54 for the buds.

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.

IP541Maker product pageeu.nothing.tech/products/ear-openRead 15 October 2026SPECS: IP54 rating for buds and case. Footnote 11: the case is IP54.12Reviewgsmarena.com/nothing_ear_open_review-news-65178.phpRead 15 October 2026Review: IP54 for the case.

Water resistance depth

Not available

Not available

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.

Nothing X1Maker product pageeu.nothing.tech/products/ear-openRead 15 October 2026Nothing X app. Google Play and App Store per footnote 4.

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, iOS1Maker product pageeu.nothing.tech/products/ear-openRead 15 October 2026Footnote 4: Nothing X is available on Google Play and the iOS App Store.

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.

Yes1Maker product pageeu.nothing.tech/products/ear-openRead 15 October 2026Nothing X features: firmware updates.

Finding network

Not available

Not available

Precision findingiUWB in the case

Not available

Not available

Live translation

Not available

Not available

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.

8.1g(0.3 oz)1Maker product pageeu.nothing.tech/products/ear-openRead 15 October 2026SPECS, Design, Earbud: 8.1 g. The page text also says 8.1 g per bud.

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.

Width51.3Height41.4Depth14.4mm(2 × 1.6 × 0.6 in)1Maker product pageeu.nothing.tech/products/ear-openRead 15 October 2026SPECS, Design, Earbud: width 51.3 mm, height 41.4 mm, depth 14.4 mm.

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.

63.8g(2.3 oz)1Maker product pageeu.nothing.tech/products/ear-openRead 15 October 2026SPECS, Design, Case: 63.8 g. SoundGuys, hifi.de and GSMArena give 62.4 g. The maker figure is used.

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.

Width125.9Height44Depth19mm(5 × 1.7 × 0.7 in)1Maker product pageeu.nothing.tech/products/ear-openRead 15 October 2026SPECS, Design, Case: width 125.9 mm, height 44.0 mm, depth 19 mm.

Certifications

1 of 3 differ

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

Not available

Not available

Communication certifications

Not available

Not available

FCC IDs

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

Not available

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.

Not available

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.

Pair of earbuds, Charging case, USB-C cable, User Guide, Safety and warranty information1Maker product pageeu.nothing.tech/products/ear-openRead 15 October 2026SPECS, In the box: pair of earbuds, charging case, USB-C cable, User Guide, safety and warranty information.

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.

BNothing Ear (open)

Type	Count
USB-C cable	1

Source1Maker product pageeu.nothing.tech/products/ear-openRead 15 October 2026In the box lists one USB-C cable. Length and the other connector are not stated.

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.

us.nothing.tech/products/ear-open2Maker product pageus.nothing.tech/products/ear-openRead 15 October 2026US store product page.

Spec sheet

Not available

eu.nothing.tech/products/ear-open1Maker product pageeu.nothing.tech/products/ear-openRead 15 October 2026The EU store page has the full SPECS tab. No separate datasheet is published.

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.

www.manualslib.tech/guide/836838/nothing-ear-open-b182-manual.html3Owner's manualmanualslib.tech/guide/836838/nothing-ear-open-b182-manual.htmlRead 15 October 2026ManualsLib copy of the Nothing ear (open) B182 user guide. The maker's own PDF was not reachable.

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

Not available

Not available

Warranty

0 of 1 differ

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

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.

1year4Maker product pageus.nothing.tech/pages/terms-of-salesRead 15 October 2026US terms of sale, limited warranty table: headphones and other electronic devices 12 months. US market. The EU terms list 24 months.

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