Earbuds / Compare

Shokz OpenFit 2 vs TOZO Open EarRing

A

Product A: Shokz

OpenFit 2

64 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/openfit-2Read 11 October 2026FAQ: the OpenFit 2 is a fully upgraded version of the OpenFit. The OpenFit line is stored as the series, as for the OpenFit Pro.

Not available

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

T920, T920-ST-BK-US, T920-ST-BG-US, T920-ST-BK-EU-000, T920-ST-BG-EU-0007Maker product pagede.shokz.com/products/openfit2Read 11 October 2026Spec table row Modellnummer: SHOKZ T920. Retail SKUs are in the store product data listed on the .js sources.13Maker product pageshokz.com/products/openfit2.jsRead 11 October 2026US store product data: SKU T920-ST-BK-US (Black) and T920-ST-BG-US (Beige), both at 179.95 USD.14Maker product pagede.shokz.com/products/openfit2.jsRead 11 October 2026German store product data: SKU T920-ST-BK-EU-000 (Schwarz) and T920-ST-BG-EU-000 (Beige) at 189.00 EUR. Both show as unavailable on 2026-10-11. No barcode is published.

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

810160666967, 81016066697413Maker product pageshokz.com/products/openfit2.jsRead 11 October 2026US store barcode field: 810160666967 for Black and 810160666974 for Beige.

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.

7 January 20258Press articleengadget.com/audio/headphones/the-shokz-openfit-2-promises-better-sound-and-longer-battery-life-130016786.htmlRead 11 October 2026Engadget, 7 Jan 2025: the OpenFit 2 was announced and was available that day for $180 on the Shokz website.13Maker product pageshokz.com/products/openfit2.jsRead 11 October 2026US store listing was published on 2025-01-07, the day of the Engadget announcement report.

Not available

Status

Available13Maker product pageshokz.com/products/openfit2.jsRead 11 October 2026US store lists both colours as available on 2026-10-11.

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.

$179.956Press articlesoundguys.com/shokz-openfit-2-debuts-with-dolby-audio-144647Read 10 October 2026SoundGuys news, Sep 22 2025: the OpenFit 2 launched at $179.95. The OpenFit 2+ has Qi wireless charging as a first for the series. The same news says Bluetooth 5.4 is new in the 2+ against 5.3 in the OpenFit 2. Shokz states 5.4 for the OpenFit 2, as do SoundGuys' own OpenFit 2 review, T3 and Tom's Guide, so the maker value is stored.

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.

€1897Maker product pagede.shokz.com/products/openfit2Read 11 October 2026Germany. The maker store lists 189,00 EUR as the regular price. Appgefahren (8 Apr 2025) reports the German start at 159 EUR instead of 189 EUR, a launch discount. The regular price is stored as the MSRP, incl. VAT.9Press articleappgefahren.de/shokz-openfit-2-neue-open-ear-kopfhoerer-starten-mit-30-euro-rabatt-377005.htmlRead 11 October 2026German press, 8 Apr 2025: start price 159 EUR instead of 189 EUR. 189 EUR is the regular price and matches the maker store.

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, DE1Maker product pageshokz.com/products/openfit-2Read 11 October 2026US store with US dollar prices. Documented subset.7Maker product pagede.shokz.com/products/openfit2Read 11 October 2026German store with euro prices. Documented subset.9Press articleappgefahren.de/shokz-openfit-2-neue-open-ear-kopfhoerer-starten-mit-30-euro-rabatt-377005.htmlRead 11 October 2026German market start in April 2025 with black and beige.

Not available

ColoursiThe maker's own colour names

Black, Beige1Maker product pageshokz.com/products/openfit-2Read 11 October 2026Store lists Black and Beige.

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

Sport5Maker product pageshokz.com/pages/openfit2-compare-specRead 11 October 2026Shokz product list groups OpenFit 2 under Workout and Lifestyle open earbuds.

Not available

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/openfit-2Read 11 October 2026Stay Aware with an Open-Ear Design. Clip-on ear hook, no ear tips.

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/openfit2Read 10 October 2026Ear-hook design.

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 bud3Maker product pageshokz.com/pages/openfit2-supportRead 10 October 2026FAQ: both earbuds can be used independently, each keeps its button functions.

Not available

RGB lighting

Not available

Not available

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/openfit2Read 10 October 2026DualBoost: an independent high-frequency unit and a 21 mm x 11 mm custom dynamic low-frequency driver. The EU spec table confirms the low-frequency unit is a dynamic driver. The sources give 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.7Maker product pagede.shokz.com/products/openfit2Read 11 October 2026Footnote: the low-frequency unit has a custom 21 mm x 11 mm dynamic driver. Sensitivity rows list a woofer and a tweeter unit.

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/openfit2Read 10 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 kHz5Maker product pageshokz.com/pages/openfit2-compare-specRead 11 October 2026Compare table row Speaker Frequency Response: 50 Hz - 16 kHz for the OpenFit 2 column. Maker figure, codec and conditions 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

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.

510Reviewsoundguys.com/shokz-openfit-2-review-iteration-done-right-133776Read 11 October 2026Review of firmware EU_V_05 with app 5.2.4: the app offers a 5-band custom EQ at 64 Hz, 100 Hz, 1 kHz, 4 kHz and 8 kHz.11Reviewtomsguide.com/audio/headphones/i-ran-cycled-and-worked-out-with-the-shokz-openfit-2-heres-my-verdictRead 11 October 2026Review: four preset EQ modes in the app and five sliders for manual adjustment.

Not available

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

Standard, Vocal, Bass Boost, Treble Boost3Maker product pageshokz.com/pages/openfit2-supportRead 10 October 2026FAQ: four customizable EQ modes in the Shokz App: Standard, Vocal, Bass Boost and Treble Boost.

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

1 of 11 differ

Active noise cancelling

No12Reviewt3.com/active/shokz-openfit-2-reviewRead 11 October 2026Review spec list: ANC No. The text says there is no active noise cancellation.

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

No12Reviewt3.com/active/shokz-openfit-2-reviewRead 11 October 2026Review text: there is no active noise cancellation or transparency mode.

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

None of 23 known

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

Not available

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

Not available

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.

41Maker product pageshokz.com/products/openfit-2Read 11 October 2026Two microphones in each earbud ensure your voice is clear on 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/openfit-2Read 11 October 2026Two microphones in each earbud, 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 pageshokz.com/products/openfit-2Read 11 October 2026Maker heading: AI-Powered, Crystal-Clear Calls, with two microphones in each earbud. German press describes them as AI microphones.

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

5 of 18 differ

Chip

Not available

Not available

Connections

Bluetooth1Maker product pageshokz.com/products/openfit-2Read 11 October 2026Bluetooth only. No other connection is listed.

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

Bluetooth

5.45Maker product pageshokz.com/pages/openfit2-compare-specRead 11 October 2026Compare table row Bluetooth Versions: V5.4 for the OpenFit 2 column.7Maker product pagede.shokz.com/products/openfit2Read 11 October 2026Spec table row Bluetooth-Version: Bluetooth 5.4.10Reviewsoundguys.com/shokz-openfit-2-review-iteration-done-right-133776Read 11 October 2026Review spec text: Bluetooth 5.4.

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, AAC5Maker product pageshokz.com/pages/openfit2-compare-specRead 11 October 2026Compare table row Compatible Codecs: SBC, AAC.7Maker product pagede.shokz.com/products/openfit2Read 11 October 2026Spec table row Unterstuetzte Audio-Codecs: AAC, SBC.

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

Bluetooth profiles

A2DP, AVRCP, HFP5Maker product pageshokz.com/pages/openfit2-compare-specRead 11 October 2026Compare table row Compatible Profiles: A2DP, AVRCP, HFP.7Maker product pagede.shokz.com/products/openfit2Read 11 October 2026Spec table row Kompatible Profile: A2DP, AVRCP, HFP.

Not available

LE Audio

Not available

Not available

Auracast

Not available

Not available

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

Yes1Maker product pageshokz.com/products/openfit-2Read 11 October 20264Owner's manualcdn.shopify.com/s/files/1/0857/5574/files/OPENFIT_2_User_Guide.pdfRead 10 October 2026MultiPoint Pairing chapter: turned on in the Shokz App to connect two devices.

Not available

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

21Maker product pageshokz.com/products/openfit-2Read 11 October 2026Easy MultiPoint Pairing: stable and fast connectivity to two devices simultaneously.

Not available

Multipoint with LDACiMany buds turn multipoint off on LDAC

Not available

Not available

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

Not available

Not available

Automatic switching between own devicesiThrough the maker's account

Not available

Not available

Fast pairing

Not available

Not available

Audio sharingiShare one stream with a second pair

Not available

Not available

Wireless range (claimed)

10m7Maker product pagede.shokz.com/products/openfit2Read 11 October 2026Spec table row Funkreichweite: 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

Not available

Receiver connector

Not available

Not available

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

Not available

Not available

Latency

None of 3 known

Low latency mode

Not available

Not available

Claimed latency

Not available

Not available

Lowest claimed latency

Not available

Not available

Compatibility

1 of 4 differ

PlatformsiPlatforms with documented audio support. App availability and advanced features can be more limited. Edition-specific support is listed in variants.

Not available

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.

Not available

Not available

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

AShokz OpenFit 2

Feature	Needs
Touch control for the voice assistant	The touch area only starts the device's 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.
Battery test	Shokz lab at 25 +/- 2 C, SBC audio at 50 percent volume, other features at default.

Source1Maker product pageshokz.com/products/openfit-2Read 11 October 2026Voice assistant touch control is off by default. MultiPoint is set in the Shokz App. Battery claims come from the Shokz Lab SBC test.

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.

56mAh7Maker product pagede.shokz.com/products/openfit2Read 11 October 2026Spec table row Mindestakkukapazitaet: earbuds 56 mAh. This is a minimum capacity.

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.

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/openfit-2Read 11 October 2026Up to 11 hours on a single charge and up to 48 hours with the charging case. The Shokz Lab test for the OpenFit 2 Series plays SBC audio at 50 percent volume at 25 +/- 2 C, other features default.7Maker product pagede.shokz.com/products/openfit2Read 11 October 2026Call rows from the row Gespraechszeit: up to 8 hours talk time on a single charge and up to 36 hours in total with the charging case. The footnote says the battery data come from the Shokz Lab at 25 +/- 2 C with SBC audio at 50 percent volume and other features at default.

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.

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.

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

Not available

Talk time (claimed)

8h=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.

60min1Maker product pageshokz.com/products/openfit-2Read 11 October 2026Compare table: charge the earbuds with the charging 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.

The charging case takes 5 V plus or minus 5 percent over USB-C. The user guide advises against high-voltage power sources and third-party cables can lengthen charging.7Maker product pagede.shokz.com/products/openfit2Read 11 October 2026Spec table row Ladespannung: 5 V +/- 5 percent. The user guide says the case runs on standard USB voltage and advises against high-voltage power sources.

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 pageshokz.com/products/openfit-2Read 11 October 2026A quick 10-minute charge delivers 2 hours of playtime. SoundGuys' review of the OpenFit 2+ says the OpenFit 2 needed 5 minutes for the same runtime. The maker's current 10 minutes is stored.

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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/openfit-2Read 11 October 2026Earbud playtime after the quick charge. Quick charging needs the charging case in the green light state.

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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.

600mAh7Maker product pagede.shokz.com/products/openfit2Read 11 October 2026Spec table row Mindestakkukapazitaet: charging case 600 mAh. This is a minimum capacity.

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/openfit-2Read 11 October 2026The charging case charges by Type-C cable.

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/openfit-2Read 11 October 2026Compare table: 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

No1Maker product pageshokz.com/products/openfit-2Read 11 October 2026The compare table gives the OpenFit 2 a USB-C case. Qi wireless charging is sold with the OpenFit 2+, a separate model with Dolby Audio that is not stored here.

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.

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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.

Button1Maker product pageshokz.com/products/openfit-2Read 11 October 2026Physical multifunction buttons. A touch area only wakes the voice assistant and 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.

Buttons1Maker product pageshokz.com/products/openfit-2Read 11 October 2026Press and hold the left or right button for volume down and 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: play or pause, answer or end a call, Double-click: next track, reject a call, Triple-click: previous track, Press and hold left button: volume down, Press and hold right button: volume up4Owner's manualcdn.shopify.com/s/files/1/0857/5574/files/OPENFIT_2_User_Guide.pdfRead 10 October 2026Music, call and volume control pages. The guide's numerals do not extract from the PDF, the gestures are read from the text.

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/openfit-2Read 11 October 2026Shokz App: customise the physical button actions such as play or pause, skip tracks or volume.

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

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In-ear detection

No10Reviewsoundguys.com/shokz-openfit-2-review-iteration-done-right-133776Read 11 October 2026Review lists no wear detection as a con: the earbuds do not pause when removed.

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Sensors

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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.

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Hearing aid featureiAmplification for mild to moderate hearing loss

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Medical clearances

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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/openfit2Read 10 October 2026Flexible ear hook with an integrated Ni-Ti alloy. This is the OpenFit 2 Series page, which also covers the OpenFit 2+.

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Ear tip fit test

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Dust and water rating, buds

IP551Maker product pageshokz.com/products/openfit-2Read 11 October 2026IP55 for the earbuds only, tested under IEC 60529. 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/openfit-2Read 11 October 2026Shokz App.

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 pageshokz.com/products/openfit-2Read 11 October 2026The user guide shows the App Store and Google Play download.

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

Yes3Maker product pageshokz.com/pages/openfit2-supportRead 10 October 2026FAQ: the Shokz App keeps track of 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

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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/openfit-2Read 11 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.

53g(1.9 oz)1Maker product pageshokz.com/products/openfit-2Read 11 October 2026Compare table: charging case 53 g plus or minus 2.0 g. Total weight 71.8 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, Type-C charging cable, User guide, Legal statement, Warranty card1Maker product pageshokz.com/products/openfit-2Read 11 October 2026What's in the box list.

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	1

Source4Owner's manualcdn.shopify.com/s/files/1/0857/5574/files/OPENFIT_2_User_Guide.pdfRead 10 October 2026In the box page: Type-C charging cable x1.

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

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Product page

shokz.com/products/openfit-21Maker product pageshokz.com/products/openfit-2Read 11 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/openfit27Maker product pagede.shokz.com/products/openfit2Read 11 October 2026The German product page holds the full spec table.

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Manual

cdn.shopify.com/s/files/1/0857/5574/files/OPENFIT_2_User_Guide.pdf4Owner's manualcdn.shopify.com/s/files/1/0857/5574/files/OPENFIT_2_User_Guide.pdfRead 10 October 2026

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.

2years7Maker product pagede.shokz.com/products/openfit2Read 11 October 2026Spec table row Garantie: 2 Jahre. The US store also states a 2-year warranty.

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.