Earbuds / Compare

Shokz OpenFit 2+ vs TOZO Open EarRing

A

Product A: Shokz

OpenFit 2+

65 of 166 known

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B

Product B: TOZO

Open EarRing

44 of 166 known

Change TOZO Open EarRing

Compare the Shokz OpenFit 2+ with

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All 166 fields

Every value links to where we found it.

Only differences

AShokz OpenFit 2+

BTOZO Open EarRing

General

7 of 8 differ

Series

OpenFit1Maker product pageshokz.com/products/openfit2plusRead 15 October 2026The maker groups the OpenFit 2+ with the OpenFit 2 as the OpenFit 2 Series. The OpenFit line is stored as the series, as for the OpenFit 2.

Not available

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

T921, T921-ST-BK-US, T921-ST-GY-US, T921-ST-PR-US, T921-ST-HX-US, T921BK, T921GY4Maker product pagede.shokz.com/products/openfit2-seriesRead 15 October 2026Spec table row Modellnummer: SHOKZ T921.5Maker product pagede.shokz.com/products/openfit2-series.jsRead 15 October 2026German store product data: SKU T921BK (Schwarz) and T921GY (Grau). Gift box SKUs for both colours are not stored.6Maker product pageshokz.com/products/openfit2plus.jsRead 15 October 2026US store product data: SKUs T921-ST-BK-US, T921-ST-GY-US, T921-ST-PR-US and T921-ST-HX-US (HYROX Co-branded Edition).

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

810173482424, 810173482431, 810173486194, 8101734887236Maker product pageshokz.com/products/openfit2plus.jsRead 15 October 2026US store barcode field: 810173482424 Black, 810173482431 Grey, 810173486194 Purple, 810173488723 HYROX edition.

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.

5 June 20259Press articlebasic-tutorials.de/news/shokz-openfit-2-plusRead 15 October 2026Article of 6 June 2025: the OpenFit 2+ is available from 5 June 2025.

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Status

Available6Maker product pageshokz.com/products/openfit2plus.jsRead 15 October 2026US store lists Black, Grey and Purple as available on 2026-10-15.

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.

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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.

Not available

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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.

$199.951Maker product pageshokz.com/products/openfit2plusRead 15 October 2026The US store lists 199.95 USD. SoundGuys confirms the 22 September 2025 launch price.8Press articlesoundguys.com/shokz-openfit-2-debuts-with-dolby-audio-144647Read 15 October 2026SoundGuys news, 22 Sep 2025: the OpenFit 2+ launched at 199.95 USD, 20 USD above the OpenFit 2.12Reviewtechradar.com/health-fitness/fitness-headphones/i-went-for-a-run-with-the-all-new-shokz-openfit-2-and-theyre-already-threatening-to-become-my-go-to-running-headphonesRead 15 October 2026TechRadar review published 4 June 2025 (UTC): the OpenFit 2+ costs 199.95 USD and 179 GBP, available to order now. Official pricing for other regions was still to be confirmed.

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.

€1995Maker product pagede.shokz.com/products/openfit2-series.jsRead 15 October 2026Germany. The store lists 199.00 EUR incl. VAT for both colours. Kopfhoerer.de reports the same recommended price at the June 2025 launch.9Press articlebasic-tutorials.de/news/shokz-openfit-2-plusRead 15 October 2026Germany: 199,00 EUR.10Press articlekopfhoerer.de/news/shokz-openfit-2-plusRead 15 October 2026Recommended retail price 199,00 EUR, black and grey, available from now. Page last updated 5 June 2025.

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

US, DE1Maker product pageshokz.com/products/openfit2plusRead 15 October 2026US store with US dollar prices. Documented subset.5Maker product pagede.shokz.com/products/openfit2-series.jsRead 15 October 2026German store with euro prices. Documented subset.9Press articlebasic-tutorials.de/news/shokz-openfit-2-plusRead 15 October 2026German market start.

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ColoursiThe maker's own colour names

Black, Grey, Purple, HYROX Co-branded Edition1Maker product pageshokz.com/products/openfit2plusRead 15 October 2026Store options: Black, Grey, Purple and HYROX Co-branded Edition. The HYROX edition shows as unavailable on 2026-10-15.6Maker product pageshokz.com/products/openfit2plus.jsRead 15 October 2026Option names: OpenFit 2+ Black, Grey, Purple, HYROX Co-branded Edition.

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

Sport1Maker product pageshokz.com/products/openfit2plusRead 15 October 2026The maker lists the OpenFit 2+ under Workout and Lifestyle open earbuds. The FAQ says it suits running, workouts, office work and home.

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Design

2 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 pageshokz.com/products/openfit2plusRead 15 October 2026Open-ear design, air conduction. The maker FAQ says it is not a bone conduction headphone.

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 hook2Maker product pageshokz.com/pages/openfit2plusRead 15 October 2026Flexible ear hook with an integrated nickel-titanium alloy. This is the OpenFit 2 Series page, which covers the OpenFit 2 and the OpenFit 2+.

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.

Either bud1Maker product pageshokz.com/products/openfit2plusRead 15 October 2026FAQ: both earbuds can be used independently and each keeps its button functions.7Owner's manualcdn.shopify.com/s/files/1/0620/0642/7873/files/OPENFIT_2_User_Guide.pdfRead 15 October 2026Single Earbud Control page: both earbuds are designed for independent use, mono playback or calls.

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RGB lighting

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Drivers and sound

8 of 17 differ

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

AShokz OpenFit 2+

Type	Role	Count per earbud
Dynamic	Woofer	1
Not available	Tweeter	1

Source2Maker product pageshokz.com/pages/openfit2plusRead 15 October 2026DualBoost: an independent high-frequency unit and a 21 mm x 11 mm custom dynamic low-frequency driver. The maker gives no technology for the high-frequency unit and no circular diameter, so only the woofer type is stored. One of each per earbud is read from the description.

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.

Not available

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.

Not available

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.

2=CalculatedFrom Drivers per bud

1=CalculatedFrom Drivers per bud

Diaphragm material

Custom composite diaphragm with a polymer surround and a PEN dome-shaped inner cap (low-frequency driver)2Maker product pageshokz.com/pages/openfit2plusRead 15 October 2026DualBoost section: custom composite diaphragm with a high-performance polymer surround and a PEN dome-shaped inner cap, for the OpenFit 2 Series.

Not available

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

Min50 HzMax16 kHz3Maker product pageshokz.com/pages/openfit2-compare-specRead 15 October 2026Compare table row Speaker Frequency Response, OpenFit 2+ column: 50 Hz - 16 kHz. Maker figure. Codec and conditions are not stated.

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

Impedance

Not available

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

Not available

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Sensitivity reference

Not available

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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

Not available

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Personalised soundiA profile from a hearing test or ear scan

Not available

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Onboard EQ

Not available

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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.

511Reviewsoundguys.com/shokz-openfit-2-review-worth-the-20-upgrade-150051Read 15 October 2026Review (firmware EU_V_3, Shokz app 5.6.5): the custom 5-band equalizer targets 64 Hz, 100 Hz, 1 kHz, 4 kHz and 8 kHz.

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

Standard, Vocal, Bass Boost, Treble Boost2Maker product pageshokz.com/pages/openfit2plusRead 15 October 2026The Shokz App lets you customize your sound with 4 pre-set EQ modes (Standard, Vocal, Bass Boost, Treble Boost) or create your own with 2 custom EQs.

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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.

Dolby Audio2Maker product pageshokz.com/pages/openfit2plusRead 15 October 2026Dolby Audio is a toggle in the Shokz App for the OpenFit 2+ only. The maker describes a rich, expansive soundstage. The user guide says immersive surround sound. SoundGuys found no genuine spatial positioning. No head tracking is claimed.

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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.

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Noise cancelling

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Active noise cancelling

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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.

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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.

Not available

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

Not available

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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

Not available

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Adjustable transparency

Not available

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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.

Not available

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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

SoundGuys: sub-bass below 100 Hz is significantly weak. Upper mids and treble stay 3 to 5 dB below the SoundGuys preference curve, with no harsh sibilance. Firmware EU_V_3, Shokz app 5.6.5.11Reviewsoundguys.com/shokz-openfit-2-review-worth-the-20-upgrade-150051Read 15 October 2026Objective Measurements section: SoundGuys lab frequency response against its preference curve. Unit provided by Shokz, firmware EU_V_3, app 5.6.5. The EQ and Dolby Audio state is not stated.

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

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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.

Not available

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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

Not available

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Call quality notes (measured)iMeasured by a reviewer, not claimed by the maker

SoundGuys recorded call demos in ideal, office, street, windy and reverberant conditions. Office and street noise is filtered out almost completely. In wind the AI processing sometimes cuts parts of words. No numeric result is published.11Reviewsoundguys.com/shokz-openfit-2-review-worth-the-20-upgrade-150051Read 15 October 2026Call clarity section with recorded demos in five conditions. Qualitative. No numeric measurement is published.

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

Not available

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

Not available

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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.

Not available

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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.

Not available

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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.

41Maker product pageshokz.com/products/openfit2plusRead 15 October 2026Two microphones in each earbud for calls. The user guide says the microphones are exclusively for voice calls.

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.

41Maker product pageshokz.com/products/openfit2plusRead 15 October 2026Two microphones in each earbud, four across the pair. Shokz German page says four microphones.

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

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Mic noise reduction

AI1Maker product pageshokz.com/products/openfit2plusRead 15 October 2026Maker heading: AI-Powered, Crystal-Clear Calls, with two microphones in each earbud.

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

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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

Bluetooth1Maker product pageshokz.com/products/openfit2plusRead 15 October 2026Bluetooth only. No other connection is listed.

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

Bluetooth

5.43Maker product pageshokz.com/pages/openfit2-compare-specRead 15 October 2026Compare table row Bluetooth Versions: V5.4.

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, AAC3Maker product pageshokz.com/pages/openfit2-compare-specRead 15 October 2026Compare table row Compatible Codecs: SBC, AAC.

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

Bluetooth profiles

A2DP, AVRCP, HFP3Maker product pageshokz.com/pages/openfit2-compare-specRead 15 October 2026Compare table row Compatible Profiles: A2DP, AVRCP, HFP.

Not available

LE Audio

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Auracast

Not available

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

Yes1Maker product pageshokz.com/products/openfit2plusRead 15 October 2026Easy MultiPoint pairing to two devices at once.

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

21Maker product pageshokz.com/products/openfit2plusRead 15 October 2026

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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.

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Automatic switching between own devicesiThrough the maker's account

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Fast pairing

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Audio sharingiShare one stream with a second pair

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Wireless range (claimed)

10m3Maker product pageshokz.com/pages/openfit2-compare-specRead 15 October 2026Compare table row Wireless Range: 33 ft (10 m).

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

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Receiver connector

Not available

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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.

Not available

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Latency

None of 3 known

Low latency mode

Not available

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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.

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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.

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

AShokz OpenFit 2+

Feature	Needs
Dolby Audio	Turned on or off with a toggle in the Shokz App while the earbuds are connected to a phone. The maker says it shortens earbud battery life by about 2 hours.
Touch control for the voice assistant	The touch area only starts the device voice assistant. It is off by default and is turned on in the Shokz App.
MultiPoint pairing	Turned on in the Shokz App after updating the app and the earbud firmware.
Wireless charging	Any Qi-certified wireless charger. No wireless charger is in the box.
Battery test	Shokz Lab at 25 +/- 2 C, SBC audio at 50 percent volume, other features at default.

Source1Maker product pageshokz.com/products/openfit2plusRead 15 October 2026FAQ for Dolby Audio, the voice assistant touch area and Qi charging. The Battery test entry is from the page footnote.

BTOZO Open EarRing

Not available

Official licence

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Battery and charging

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

56mAh3Maker product pageshokz.com/pages/openfit2-compare-specRead 15 October 2026Compare table row Battery Capacity: earbuds 56 mAh (Min). The maker table does not say whether this is one earbud or the pair. A retailer datasheet (Bechtle, 3 Dec 2025) lists 28 mAh for each earpiece, which would total 56. 56 mAh per earbud is stored as the minimum capacity, as for the OpenFit 2.

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.

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

AShokz OpenFit 2+

Mode	Codec	Includes case recharges	Hours (h)
ANC off	SBC	No	11
ANC off	SBC	Yes	48
Call	Not available	No	8
Call	Not available	Yes	36

Source1Maker product pageshokz.com/products/openfit2plusRead 15 October 2026Up to 11 hours on a single charge and up to 48 hours with the charging case, from the Shokz Lab test with SBC audio at 50 percent volume at 25 +/- 2 C, other features at default. Call rows are from the German spec table. The FAQ says Dolby Audio on cuts earbud battery life by about 2 hours.4Maker product pagede.shokz.com/products/openfit2-seriesRead 15 October 2026Spec table: up to 11 hours of playback on one charge and 48 hours with the case. Up to 8 hours of talk time on one charge and 36 hours with the case. The footnote names the Shokz Laboratory test at 25 +/- 2 C, 50 percent volume, other features at default, SBC for playback.

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.

11h=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.

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

11h=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.

48h=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

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Talk time (claimed)

8h=CalculatedFrom Claimed battery life

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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.

60min1Maker product pageshokz.com/products/openfit2plusRead 15 October 2026Compare table: charge the earbuds with the charging case, 60 minutes.4Maker product pagede.shokz.com/products/openfit2-seriesRead 15 October 2026Spec table row Ladezeit: charge the earbuds with the case, 60 minutes.

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.

Wired case charging: earbuds in the case take 60 minutes and an empty case takes 100 minutes with the USB-C cable. On a Qi charger an empty case takes about 180 minutes, tested at 25 C with 2 W charging power. The case takes 5 V plus or minus 5 percent over USB-C and the guide advises against high-voltage power sources.4Maker product pagede.shokz.com/products/openfit2-seriesRead 15 October 2026Spec table: case on a wireless charger only, about 180 minutes. Footnote: tested at 25 C with 2 W charging power, three hours. Row Ladespannung: 5 V plus or minus 5 percent.

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

10min1Maker product pageshokz.com/products/openfit2plusRead 15 October 2026A quick 10-minute charge delivers 2 hours of playtime.

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

2h1Maker product pageshokz.com/products/openfit2plusRead 15 October 2026Earbud playtime after 10 minutes in the case. The German footnote says AAC audio at 50 percent volume. The case must show the green light state.4Maker product pagede.shokz.com/products/openfit2-seriesRead 15 October 2026Spec table row Schnellladefunktion: a 10-minute quick charge with the case gives 2 hours of playback. Footnote: 120 minutes of AAC audio at 50 percent volume.

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Charging case

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

600mAh3Maker product pageshokz.com/pages/openfit2-compare-specRead 15 October 2026Compare table row Battery Capacity: charging case 600 mAh (Min).

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.

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Case charging port

USB-C1Maker product pageshokz.com/products/openfit2plusRead 15 October 2026The package holds a Type-C charging cable. The compare table lists the charging case with USB-C and Qi wireless charging.

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.

100min1Maker product pageshokz.com/products/openfit2plusRead 15 October 2026Compare table: empty case with charging cable, 100 minutes.4Maker product pagede.shokz.com/products/openfit2-seriesRead 15 October 2026Spec table row Ladezeit: empty case with charging cable, 100 minutes.

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

Wireless charging

Yes1Maker product pageshokz.com/products/openfit2plusRead 15 October 2026With Qi wireless charging you just place it down and power up. The package has no wireless charger.

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.

Qi1Maker product pageshokz.com/products/openfit2plusRead 15 October 2026FAQ: any wireless charger that supports the Qi standard is compatible.7Owner's manualcdn.shopify.com/s/files/1/0620/0642/7873/files/OPENFIT_2_User_Guide.pdfRead 15 October 2026Wireless Charging page: the charging case supports Qi-certified wireless charging.

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

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

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Screen on case

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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.

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Controls

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

Button, Touch1Maker product pageshokz.com/products/openfit2plusRead 15 October 2026Physical multifunction buttons plus touch controls. Maker FAQ: physical buttons and touch controls. The touch area for the voice assistant is off by default.

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.

Buttons7Owner's manualcdn.shopify.com/s/files/1/0620/0642/7873/files/OPENFIT_2_User_Guide.pdfRead 15 October 2026Volume control page: press and hold the left button for volume down and the right button for volume 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

Click either button: play or pause, answer a call, end a call, Double-click either button: next track, reject a call, Triple-click either button: previous track, Press and hold left button: volume down one level, Press and hold right button: volume up one level7Owner's manualcdn.shopify.com/s/files/1/0620/0642/7873/files/OPENFIT_2_User_Guide.pdfRead 15 October 2026Music, call and volume control pages: click, double-click and triple-click either physical button. Press and hold the left or right button for volume. Press and hold an earbud to change volume continuously.

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 pageshokz.com/products/openfit2plusRead 15 October 2026FAQ: users can customize button functions in the Shokz App.

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

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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

None of 9 known

In-ear detection

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Sensors

Not available

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Heart rate sensor

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

Not available

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Hearing aid featureiAmplification for mild to moderate hearing loss

Not available

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Medical clearances

Not available

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

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Hearing protectioniLimits sudden loud sounds

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Health features

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Fit and durability

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

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Ear tip materials

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

Ear hook2Maker product pageshokz.com/pages/openfit2plusRead 15 October 2026Flexible ear hook with an integrated nickel-titanium alloy.

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Ear tip fit test

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Dust and water rating, buds

IP551Maker product pageshokz.com/products/openfit2plusRead 15 October 2026IP55 for the earbuds. The charging case is not rated waterproof.

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

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Water resistance depth

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Software

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Companion app

Shokz App1Maker product pageshokz.com/products/openfit2plusRead 15 October 2026Shokz App for EQ, MultiPoint, Dolby Audio, button settings, Find My Earbuds and firmware updates.

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, iOS7Owner's manualcdn.shopify.com/s/files/1/0620/0642/7873/files/OPENFIT_2_User_Guide.pdfRead 15 October 2026The guide shows the App Store and Google Play download for the Shokz App.

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 pageshokz.com/products/openfit2plusRead 15 October 2026FAQ: the Shokz App keeps track of firmware updates.7Owner's manualcdn.shopify.com/s/files/1/0620/0642/7873/files/OPENFIT_2_User_Guide.pdfRead 15 October 2026MultiPoint page: update the earbud firmware in the Shokz App.

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

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Precision findingiUWB in the case

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Live translation

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Dimensions and weight

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

9.4g(0.3 oz)1Maker product pageshokz.com/products/openfit2plusRead 15 October 2026Compare table: earbuds 9.4 g plus or minus 0.2 g.

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.

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

56g(2 oz)1Maker product pageshokz.com/products/openfit2plusRead 15 October 2026Compare table: charging case 56 g plus or minus 2.0 g.

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

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Certifications

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

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Communication certifications

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FCC 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

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Other certifications

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In the box

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In the box

OpenFit 2+ earbuds, Charging case, USB-C to USB-C charging cable, User guide, Legal statement, Warranty card1Maker product pageshokz.com/products/openfit2plusRead 15 October 2026What is in the box: earbuds, type C charging cable, charging case, user guide, legal statement, warranty card.

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

AShokz OpenFit 2+

Type	Count
USB-C to USB-C charging cable	1

Source1Maker product pageshokz.com/products/openfit2plusRead 15 October 2026Type C charging cable x1. The guide names it a USB-C to USB-C cable. No length is published.

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

shokz.com/products/openfit2plus1Maker product pageshokz.com/products/openfit2plusRead 15 October 2026

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

de.shokz.com/products/openfit2-series4Maker product pagede.shokz.com/products/openfit2-seriesRead 15 October 2026The German OpenFit 2 Series page holds the full spec table for the OpenFit 2+.

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Manual

cdn.shopify.com/s/files/1/0620/0642/7873/files/OPENFIT_2_User_Guide.pdf7Owner's manualcdn.shopify.com/s/files/1/0620/0642/7873/files/OPENFIT_2_User_Guide.pdfRead 15 October 2026The PDF is titled OPENFIT 2+ User Guide and names SHOKZ T921. Some digits do not extract from the PDF text.

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.

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Warranty

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

2years1Maker product pageshokz.com/products/openfit2plusRead 15 October 2026US store: every purchase from Shokz.com comes with a 2-year warranty.4Maker product pagede.shokz.com/products/openfit2-seriesRead 15 October 2026Spec table row Garantie: 2 Jahre.

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.