# TOZO O2 Open-Ear Wireless Earbuds, Bluetooth 5.3

TOZO O2 open-ear wireless earbuds pair an adjustable dual-axis fit with Bluetooth 5.3 and a case-inclusive battery claim of up to 42 hours. Their open design is intended for listening while remaining aware of surrounding sounds, though customer feedback also flags low volume for some users and concerns about durability.

- [Original product page](https://aussiedealscout.com/product/tozo-o2-open-ear-wireless-earbuds-bluetooth-5-3)
- [View offer](https://aussiedealscout.com/visit/tozo-o2-open-ear-wireless-earbuds-bluetooth-5-3)
- Market: AU
- Language: en-AU
- Currency: AUD
- Brand: TOZO
- Model: T13187
- Category: Electronics > Headphones
- Price: 71.98 AUD
- Previous price: 89.99 AUD
- Discount: 20%
- Price checked: 2026-11-13T11:59:55.238Z
- Rating: 4.3 / 5
- Reviews: 4936

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- Dual-axis adjustment is claimed to let the earbuds move horizontally and vertically for a more adaptable fit.
- Open-ear placement leaves ears unsealed, which may suit people who want to hear nearby sounds while listening.
- The listing claims up to 12 hours per charge and 42 hours total with the charging case.
- The feature description claims connection to two Bluetooth devices at once and single-earbud use.
- The listing claims an IPX6 rating for sweat and rain exposure.

## Pros

- Open-ear construction can help keep nearby sounds audible during listening.
- Adjustable horizontal and vertical positioning may make fit easier to tailor.
- The stated 42-hour total runtime includes a useful distinction from the claimed 12 hours per charge.
- Dual-device connection and single-earbud use are claimed for switching between devices or listening with one earbud.

## Cons

- An open-ear design provides less isolation from surrounding noise than a sealed earbud design.
- Customer feedback includes reports of earbuds failing and breaking, so durability may be a concern.

## Specifications

### Identity
- Brand: TOZO
- Model: T13187
- Form factor: Open Ear
### Connectivity and controls
- Wireless connection listed: Bluetooth
- Bluetooth version: 5.3
- Control methods listed: Touch
- Device connections: Two Bluetooth devices simultaneously
### Power and battery
- Battery life listed: 42 Hours
- Playback per charge: Up to 12 hours
### Dimensions and installation
- Weight listed: 0.02 Grams
- Fit adjustment: Horizontal and vertical adjustment
### Materials and protection
- Water resistance listed: Water Resistant
- Waterproof rating claimed: IPX6
### Audio and calls
- Impedance: 16 Ohms
- Call feature claimed: DSP call noise cancellation

## Before you buy

- Battery claims are mode-dependent: the listing states up to 12 hours on one charge and up to 42 hours with the case. The case-inclusive figure is not a single-charge runtime. The detail table also lists a 42-hour average battery life, without clarifying the mode.
- Listing details are inconsistent or unconfirmed: the title identifies O2 and model T13187, while another field gives EB-P3400. Weight is listed as 0.02 Grams, and frequency response is listed as 2.4 GHz, which does not establish an audio frequency range. The detail table says Water Resistant while feature text claims IPX6. Confirm these details for the selected listing.

## In the box

- TOZO O2 True Open Ear Wireless Headphones (Included)
- USB-C® \(A to C\) cable \(20"\) (Included)
- User manual (Included)
- Wireless Charging Case (Included)

## A good fit for

- People who want open-ear listening while staying more aware of their surroundings.
- Listeners seeking adjustable positioning and touch controls for everyday use.
- Buyers who want to switch between two Bluetooth devices or use one earbud at a time.

## Less suited to

- Listeners who need strong noise isolation or consistently high listening volume in noisy places.
- Buyers for whom long-term durability is the main priority, given customer reports of failures and breakage.

## Customer feedback

Customer feedback highlights clear sound, comfort, a secure fit, battery life and awareness of surroundings. Those reported positives fit the open-ear design and the listing's long case-inclusive runtime claim, but they do not establish a particular sound performance or battery result. Feedback is mixed on volume, and some customers report failures and breakage, making low-volume listening and durability practical considerations.
- Positive themes: Customers report clear sound, comfortable extended wear and a secure fit.
- Positive themes: Customers also mention good battery life and the ability to hear their surroundings.
- Negative themes: Some customers report that the earbuds stopped working or broke within a month.
- Mixed feedback: Feedback on noise level varies: some value hearing surroundings, while others find the volume too low.

## Frequently asked questions

### How long does the TOZO O2 battery last?
The listing claims up to 12 hours of playback on one charge and up to 42 hours total with the charging case. These are different operating conditions, and the 42-hour figure is not stated as single-charge playback.
### Can these earbuds connect to two devices?
The feature description claims simultaneous connection to two Bluetooth devices, with switching between audio sources. It also claims that either earbud can be used on its own.
### Do the TOZO O2 earbuds block outside noise?
They use an open-ear design, intended to leave surrounding sounds audible rather than seal the ear. Customer feedback is mixed on volume, with some people reporting that it is too low.
### Are they suitable for exercise or rain?
The listing claims IPX6 protection and mentions running, cycling and hiking. The details table only says Water Resistant, so confirm the protection claim for the specific listing and follow its care guidance.

## Alternative options

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- [Soundcore V40i by Anker Open Ear Earbuds, Open Ear Headphones True Wireless \| Lidless Case, 4 Adjustable Positions for Every Ear Size, AI Clear Calls, Richer Bass, IP55, 21H Playtime, Bluetooth 5.4](https://aussiedealscout.com/visit/tozo-o2-open-ear-wireless-earbuds-bluetooth-5-3)
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## Add-ons

- [TOZO OpenEarRing Open Ear Earbuds 40H Bluetooth 5.4 Lightweight Comfort \| Open Ear Clip On Wireless Earbuds with Smart Digital LED Display, Stable Connection, Secure Fit for Driving Workout Black](https://aussiedealscout.com/visit/tozo-o2-open-ear-wireless-earbuds-bluetooth-5-3)

## Images

![TOZO O2 Open-Ear Wireless Earbuds, Bluetooth 5.3 — 1](https://aussiedealscout.com/i/dSUg_DdENR5_-CXisaL9pDNtPIwVYLu-8F_QhxfHvwpDVqeNoqGOcTJ3yoGboQqJrwap5CFoBxppo5lL1hNnjhqeclvVC4uxC2YnhUYBd5LL-RCF3W6yHC6t.jpg)

![TOZO O2 Open-Ear Wireless Earbuds, Bluetooth 5.3 — 2](https://aussiedealscout.com/i/PmObUr4lahJDdE3zK85pZrqSeeZd3y6K9IffVvh0agpAwcUf9EvhoQqNgV2cD0Q1lwFNr62raKIY6prMUX7FvWSfkK5FEprUTaI2AcTtqmgWTh74HVhjdqCY.jpg)

![TOZO O2 Open-Ear Wireless Earbuds, Bluetooth 5.3 — 3](https://aussiedealscout.com/i/5xdM0g-xJl0z6y-Al99QosiGnJ5dUmDaMgRpCOlo5A7pO0KS_Eny1tXP9wqdGvnCBgQc3vxm0mKK0xgKIGJxSvoyWUuCZUJvCxN7i_MyclKIDgEeH4qqxMFM.jpg)

![TOZO O2 Open-Ear Wireless Earbuds, Bluetooth 5.3 — 4](https://aussiedealscout.com/i/lsr-sG2ZXEU5xVG3GcNpR1rQRWTaTn9sMQT-m1WL_4lgP2vwmHpuUmltKsZHlcK285K8Nu5N0NMY_e3hC6Uxu5T_hseQtXIhdVrQIizb7GYYnabRTQXSvtzt.jpg)

![TOZO O2 Open-Ear Wireless Earbuds, Bluetooth 5.3 — 5](https://aussiedealscout.com/i/xEjJpgxzpiwGC67lt9SjcSh6CbDq-9F3ImrlcvDzUABs6YZpBSfyZuo-TA5gJgl42Dpr5AFNpNT6diyde033B17g9CZp501JoaET-c4KnkoEIMMWQICkg_he.jpg)

![TOZO O2 Open-Ear Wireless Earbuds, Bluetooth 5.3 — 6](https://aussiedealscout.com/i/26dYjf5CB3wIFGP8n8xXP3j7iDaqqszTBhereEb4rI-CsRrFyzYRJXlI1MS4jBZq8r1lpT21k8X6vmcblcifA-3QTH2hymaYbrqv7Lvetz3_kwE3j1M7y7FZ.jpg)

![TOZO O2 Open-Ear Wireless Earbuds, Bluetooth 5.3 — 7](https://aussiedealscout.com/i/LcVb0lVl8Qq6GyxYcso4w1LH4jYctlheXB_JsFmxEYqWV5T1mNv-foWQFzJEh0BUDAoAMr8BcG1wnoR1Qmq6M4KCNT585Dzxqic9NzXKrppKRCWlKdZR9f9A.jpg)