Earbuds / Compare

Nothing Ear (open) vs TOZO Open EarRing

A

Product A: Nothing

Ear (open)

73 of 166 known

Change Nothing Ear (open)

Compare the TOZO Open EarRing with

Search earbuds

B

Product B: TOZO

Open EarRing

44 of 166 known

Change TOZO Open EarRing

Compare the Nothing Ear (open) with

Search earbuds

All 166 fields

Every value links to where we found it.

Only differences

ANothing Ear (open)

BTOZO Open EarRing

General

7 of 8 differ

Series

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

Not available

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

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

T130644Retailer pageamazon.com/dp/B0DHVFGGGRRead 21 October 2026Item details Model Number: T13064 on the Khaki and Pink listings (ASINs B0DHVFGGGR and B0DHVGWM65). Mfr Part Numbers T1308 (Khaki) and T1307 (Pink) differ by colour and are not stored. The same item details list impedance 32 ohm, driver 10 mm, Bluetooth range 20 m and latency 60 ms, which conflict with the maker page or repeat the values on TOZO A1 listings, so no other value is taken from that listing.5Regulatory filingfccid.io/giteki/220-JP8106Read 21 October 2026Japan Giteki certificate 220-JP8106 of 2024-09-26 to Shenzhen Worgo Technology Co., Ltd. lists T13064 with nine other T13 model numbers, so T13064 is a real TOZO model code. The certificate does not name the product and fits the October 2024 launch.

GTIN / EAN

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

717470228833, 717470228956, 7174702289706Maker product pagetozostore.com/products/openearring-headphone.jsonRead 20 October 2026Barcodes of the three store variants: Black 717470228833, Khaki 717470228956 and Rose Gold 717470228970. The check digits are valid.

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

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.

Not available

Status

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.

Available1Maker product pagetozostore.com/products/openearring-headphoneRead 20 October 2026In stock on the TOZO store on 2026-10-20 at 49.99 USD.

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

Not available

Not available

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

Not available

Not available

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

$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.

Not available

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

€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.

Not available

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, 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.

Not available

ColoursiThe maker's own colour names

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.

Black, Khaki, Rose Gold1Maker product pagetozostore.com/products/openearring-headphoneRead 20 October 2026Colour picker and variants of the store feed: Black, Khaki and Rose Gold. The spec table and older images say Pink. The Rose Gold images were added to the page in September 2025, so Pink is read as the earlier name.

Segment

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.

Not available

Design

1 of 4 differ

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

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.

Open-ear1Maker product pagetozostore.com/products/openearring-headphoneRead 20 October 2026Tech specs Type: Open-ear. The earbud sits outside the ear canal.

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

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.

Clip1Maker product pagetozostore.com/products/openearring-headphoneRead 20 October 2026Page tagline: Open Ear Clip Wireless Headphones. Page text: open the C-shaped strip and clip the earbuds onto your ears.7Maker product pagetozostore.com/blogs/news/tozo-openwear-vs-tozo-open-earring-which-open-ear-fits-you-bestRead 20 October 2026Maker blog post: the Open EarRing uses a clip-on style design that rests on the ear without entering the ear canal.

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

Not available

Not available

RGB lighting

Not available

Not available

Drivers and sound

7 of 17 differ

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

ANothing 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.

BTOZO Open EarRing

Type	Diameter (mm)	Count per earbud
Dynamic	12	1

Source1Maker product pagetozostore.com/products/openearring-headphoneRead 20 October 2026Tech specs Driver: 12mm dynamic driver. One driver per earbud is read from the singular spec row.7Maker product pagetozostore.com/blogs/news/tozo-openwear-vs-tozo-open-earring-which-open-ear-fits-you-bestRead 20 October 2026Maker comparison table: 12mm dynamic drivers.

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

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

Dynamic1Maker product pagetozostore.com/products/openearring-headphoneRead 20 October 2026Tech specs Driver: 12mm dynamic driver.

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

14.2mm=CalculatedFrom Drivers per bud

12mm=CalculatedFrom Drivers per bud

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

1=CalculatedFrom Drivers per bud

1=CalculatedFrom Drivers per bud

Diaphragm material

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

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

Min20 HzMax20 kHz1Maker product pagetozostore.com/products/openearring-headphoneRead 20 October 2026Tech specs Frequency response range: 20Hz-20kHz. No conditions are stated.

Impedance

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

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.

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.

Not available

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

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.

Not available

Volume limit

Not available

Not available

Spatial audio

None of 2 known

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

Not available

Not available

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

Not available

Not available

Noise cancelling

0 of 11 differ

Active noise cancelling

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.

No1Maker product pagetozostore.com/products/openearring-headphoneRead 20 October 2026Tech specs Noise cancellation lists only ENC call noise reduction. The earbuds are open-ear and the page promotes awareness of surroundings.

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

2 of 23 differ

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

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.

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

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.

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.

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

Microphones and calls

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.

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.

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.

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.

Not available

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

Not available

Not available

Mic noise reduction

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.

DSP1Maker product pagetozostore.com/products/openearring-headphoneRead 20 October 2026Tech specs Call noise cancellation: ENC call noise reduction. Read as digital signal processing, since no AI is named.

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

8 of 18 differ

Chip

Not available

Not available

Connections

Bluetooth1Maker product pageeu.nothing.tech/products/ear-openRead 15 October 2026

Bluetooth1Maker product pagetozostore.com/products/openearring-headphoneRead 20 October 2026Bluetooth is the only connection named.

Bluetooth

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.

5.41Maker product pagetozostore.com/products/openearring-headphoneRead 20 October 2026Tech specs and feature text: Bluetooth 5.4. The Oct 2024 Tech Outlook review and the Feb 2025 Gadgeteer spec table both say Bluetooth 5.3. The current maker pages and retailer titles say 5.4.

Bluetooth codecs

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

AAC, SBC1Maker product pagetozostore.com/products/openearring-headphoneRead 20 October 2026Tech specs Audio codec: AAC/SBC.

Bluetooth profiles

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.

Not available

LE Audio

Not available

Not available

Auracast

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.

Not available

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

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.

Not available

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

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.

Not available

Multipoint with LDACiMany buds turn multipoint off on LDAC

Not available

Not available

Paired devices rememberediMaximum remembered Bluetooth source pairings. This is separate from simultaneous multipoint connections.

Not available

Not available

Automatic switching between own devicesiThrough the maker's account

Not available

Not available

Fast pairing

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

Not available

Audio sharingiShare one stream with a second pair

Not available

Not available

Wireless range (claimed)

Not available

15m1Maker product pagetozostore.com/products/openearring-headphoneRead 20 October 2026Tech specs Effective Bluetooth range: 15m. The Amazon listing item details say 20 meters. The maker page value is stored.

Wireless receiveri2.4 GHz dongle

Not available

Not available

Receiver connector

Not available

Not available

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

Not available

Not available

Latency

1 of 3 differ

Low latency mode

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

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

Not available

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

ANothing 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.

BTOZO Open EarRing

Not available

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

ANothing 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

BTOZO Open EarRing

Not available

Official licence

Not available

Not available

Battery and charging

10 of 13 differ

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

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

60mAh1Maker product pagetozostore.com/products/openearring-headphoneRead 20 October 2026Tech specs Battery capacity: 60mAh (earphones). Rated capacity.

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

Not available

Not available

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

ANothing 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.

BTOZO Open EarRing

Mode	Codec	Includes case recharges	Hours (h)
ANC off	AAC	No	10
ANC off	AAC	Yes	40

Source1Maker product pagetozostore.com/products/openearring-headphoneRead 20 October 2026Tech specs: music play time (AAC, default setting, 50% volume) 10h on a single charge and 40h with the charging case. The case total counts the earbuds plus case recharges. No ANC. The Gadgeteer says the case adds 30 h.7Maker product pagetozostore.com/blogs/news/tozo-openwear-vs-tozo-open-earring-which-open-ear-fits-you-bestRead 20 October 2026Maker comparison table: single charge playtime 10 hours and total playtime 40 hours.

Longest claimed use per chargeiHighest earbuds-only runtime among all stored modes. This can be ANC off, Hearing Aid, heart-rate or call use. Read the battery table and source conditions.

8h=CalculatedFrom Claimed battery life

10h=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.

8h=CalculatedFrom Claimed battery life

10h=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.

30h=CalculatedFrom Claimed battery life

40h=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)

6h=CalculatedFrom Claimed battery life

Not available

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

Not available

90min1Maker product pagetozostore.com/products/openearring-headphoneRead 20 October 2026Tech specs Cable charge time: 1.5h (earphones). Stored as 90 minutes. The maker labels it for the earphones and does not state the endpoints.

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.

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.

Not available

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

10min1Maker product 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.

Not available

Earbud playback after quick chargeiEarbuds-only runtime after quick_charge_min of charging. A claimed case-inclusive total does not qualify. ANC, codec and volume conditions belong in the source note.

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.

Not available

Charging case

3 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.

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

400mAh1Maker product pagetozostore.com/products/openearring-headphoneRead 20 October 2026Tech specs Battery capacity: 400mAh (charging case). Rated capacity.

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

Not available

Not available

Case charging port

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

USB-C1Maker product pagetozostore.com/products/openearring-headphoneRead 20 October 2026Tech specs Charging port: USB Type C.

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

Not available

120min1Maker product pagetozostore.com/products/openearring-headphoneRead 20 October 2026Tech specs Cable charge time: 2h (charging case). Stored as 120 minutes.

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.

No8Reviewthe-gadgeteer.comRead 20 October 2026Review of 2025-02-19 lists Add wireless charging under what needs to be improved, so the case has none.

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

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

Yes1Maker product pagetozostore.com/products/openearring-headphoneRead 20 October 2026Page: the smart LED display on the charging case shows real-time battery status.

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.

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.

Touch8Reviewthe-gadgeteer.comRead 20 October 2026Review: touch controls on the larger bulb behind the ear.

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

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.

Touch9Reviewthetechoutlook.com/reviews/gadgets-reviews/tozo-open-earring-review-affordable-and-comfortable-to-wear-all-day-longRead 20 October 2026Review: the touch controls cover playback, volume up and down, answering and rejecting calls. They are customisable in the app.

Gestures

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.

Double tap either earbud: play or pause, Triple tap the left earbud: previous track, Triple tap the right earbud: next track, Double tap either earbud: answer a call, Double tap and hold either earbud: hang up a call, Triple tap either earbud: reject a call, Tap once, then hold for 2 seconds: voice assistant2Owner's manualm.media-amazon.com/images/I/C1sUN0sgNdL.pdfRead 21 October 2026Sections 5.1 to 5.3. Defaults with both earbuds worn. The manual lists no volume gesture and the Gadgeteer review of 2025-02-19 says functions are assigned in the app, so these are the default assignments. Power on is a 3 second hold and power off is a tap and an 8 second hold.

Remappable controls

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.

Yes2Owner's manualm.media-amazon.com/images/I/C1sUN0sgNdL.pdfRead 21 October 2026Section 7.0: most of the controls can be customized in the app.8Reviewthe-gadgeteer.comRead 20 October 2026Review: in the app you can assign functions to each tap sequence for the left and right buds.9Reviewthetechoutlook.com/reviews/gadgets-reviews/tozo-open-earring-review-affordable-and-comfortable-to-wear-all-day-longRead 20 October 2026Review: the touch controls can be customised via the TOZO app.

Voice assistant

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.

Voice assistant2Owner's manualm.media-amazon.com/images/I/C1sUN0sgNdL.pdfRead 21 October 2026Section 5.3: tap once, then press and hold for 2 seconds. No assistant is named.

Sensors and health

1 of 9 differ

In-ear detection

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.

Not available

Sensors

Not available

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.

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.

Not available

Ear tip fit test

Not available

Not available

Dust and water rating, buds

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.

IPX51Maker product pagetozostore.com/products/openearring-headphoneRead 20 October 2026Tech specs Water resistance - earphone: IPX5.7Maker product pagetozostore.com/blogs/news/tozo-openwear-vs-tozo-open-earring-which-open-ear-fits-you-bestRead 20 October 2026Maker comparison table: IPX5.

Dust and water rating, case

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.

Not available

Water resistance depth

Not available

Not available

Software

2 of 6 differ

Companion app

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

TOZO app1Maker product pagetozostore.com/products/openearring-headphoneRead 20 October 2026Feature text: the TOZO app has 32 preset EQs and 2,000+ personalised EQs shared by other users.8Reviewthe-gadgeteer.comRead 20 October 2026Review: the app customises EQ settings, assigns touch controls and shows the battery of the buds.

App platforms

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.

iOS, Android2Owner's manualm.media-amazon.com/images/I/C1sUN0sgNdL.pdfRead 21 October 2026Section 8.0 shows the App Store and Google Play badges.8Reviewthe-gadgeteer.comRead 20 October 2026Review: the app is available in the Play Store and the App Store.

User firmware updates

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

Yes2Owner's manualm.media-amazon.com/images/I/C1sUN0sgNdL.pdfRead 21 October 2026Section 7.0: the earbuds firmware can be updated in the app.9Reviewthetechoutlook.com/reviews/gadgets-reviews/tozo-open-earring-review-affordable-and-comfortable-to-wear-all-day-longRead 20 October 2026Review of 2024-10-27: the app settings check for OTA updates and the reviewer installed one for the Open EarRing.

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.

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.

5.1g(0.2 oz)1Maker product pagetozostore.com/products/openearring-headphoneRead 20 October 2026Tech specs Weight (each ear): 5.1g (+/-0.2g). One FAQ answer says 5.6 g, which the Open Rhyme page also says, so the spec table value is used.

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

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.

Not available

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

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.

Not available

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

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.

Not available

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

FCC Part 15, ISED licence-exempt RSS, CE RED 2014/53/EU2Owner's manualm.media-amazon.com/images/I/C1sUN0sgNdL.pdfRead 21 October 2026Sections 10.0 to 12.0: FCC Part 15 statement, ISED licence-exempt RSS statement and CE-DOC under Directive 2014/53/EU. No ID is printed.

FCC IDs

Not available

Not available

Other certifications

Not available

Not available

In the box

2 of 2 differ

In the box

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.

Open EarRing earbuds, Charging case, User manual and quick guide, USB-C (A to C) cable, 20 inches1Maker product pagetozostore.com/products/openearring-headphoneRead 20 October 2026What's in the box: Open EarRing Earbuds, Wireless Charging Case (a case for the wireless earbuds, since the case has no wireless charging), User Manual and Quick Guide, USB-C (A to C) cable (20 inch).

Cables included

ANothing 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.

BTOZO Open EarRing

Type	Length (m)	Count
USB-A to USB-C	0.508	1

Source1Maker product pagetozostore.com/products/openearring-headphoneRead 20 October 2026What's in the box: USB-C (A to C) cable, 20 inches. Stored as the exact conversion of 20 in to 0.508 m.

Links

Not compared

Product page

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

www.tozostore.com/products/openearring-headphone1Maker product pagetozostore.com/products/openearring-headphoneRead 20 October 2026TOZO official store page for the Open EarRing. TOZO also sells the OpenWear, Open Buds and Open X2 Pro. They are separate products.

Spec sheet

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.

Not available

Manual

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.

m.media-amazon.com/images/I/C1sUN0sgNdL.pdf2Owner's manualm.media-amazon.com/images/I/C1sUN0sgNdL.pdfRead 21 October 2026Open EarRing user manual, English section (PDF created 2025-12-17, 12 pages). Linked from the TOZO brand listing on Amazon. The text of the PDF is outlined, so it was read from page images. The TOZO manuals page does not list the Open EarRing.

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.

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.

1year1Maker product pagetozostore.com/products/openearring-headphoneRead 20 October 2026Store banner: 12+6 months hassle-free warranty. The TOZO warranty policy page states a one-year limited warranty, so the 12-month base term is stored. The earlier value of 1.5 years counted the banner extension. Stored for the TOZO US store.3Maker product pagetozostore.com/pages/warranty-policyRead 21 October 2026TOZO US warranty policy: one-year limited warranty against manufacturing defects from the date of purchase for all authentic products.

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