ZiiGaat x Vivir Digital RUMBA Review
Read our ZiiGaat x Vivir Digital RUMBA review to discover its sound quality, comfort, gaming performance, and whether this affordable single dynamic driver IEM is worth buying.
The TOZO Open Buds offer a compelling package for those seeking quality and versatility in earbuds.

TOZO’s Open Buds promises comfort with a lightweight dual-axis design, allowing horizontal and vertical adjustments for a personalized fit catering to various ear shapes. The open-ear structure lets you enjoy music while staying aware of your surroundings. Sporting a 14.2mm dynamic driver, these earbuds ensure a high-quality audio experience.
Rated IPX6 waterproof, they’re ideal for active use, safeguarding against sweat and light rain. Perfect for workouts or outdoor activities, these earbuds guarantee damage-free enjoyment in moist conditions.

Featuring five EQ modes, the TOZO Open Buds offer customizable sound profiles to suit individual preferences. The DSP noise cancellation feature enhances call quality by effectively isolating ambient noise during conversations.
With Bluetooth 5.3 technology, connectivity is seamless, providing stable connectivity between devices. The earbuds support pairing with two devices, enabling hassle-free switching between your smartphone, tablet, or laptop.
Highlights
| Earphone | Type: Open-ear Model: Open Buds Color: Black |
| Audio quality | Driver: 14.2mm dynamic driver Frequency response range: 20Hz – 20kHz Audio codec: AAC/SBC |
| Noise cancellation | Call noise cancellation: DSP call noise reduction |
| Bluetooth | Bluetooth version: Bluetooth 5.3 Effective Bluetooth range: 10 |
| Battey Life | Battery capacity: 70mAh earphones 600mAh charging case Music play time (AAC, default setting, 50% volume): 12h single charge 42h with charging case |
| Charging | Cable charge time: 1.5h earphones 1.5h charging case Charging port: USB Type-C |
View full specifications here.
The TOZO Open Buds earbuds come in an elegant white box, revealing the charging case, earphones, USB-C cable, and manuals. Notably, a power adapter or protective case cover is not included.

The package contains:
The charging case features a sleek matte black design with a USB-C port and an innovative LED display for instant battery status. It also includes a pairing button for easy connectivity. The case securely holds the earphones magnetically, showcasing a sturdy lid.


The TOZO Open Buds exhibit a well-designed matte finish, with an air-conduction design placing speakers on top of the ear canal. Ear hooks, attached via a metal hinge with several adjustment levels, provide comfort and adaptability. The hooks also swivel 90 degrees which helps them adapt to your ears. Despite their larger size, these earphones are remarkably comfortable, catering to various ear shapes.

The earbuds support gesture controls for playback, volume, and calls. With an IPX6 waterproof rating, they are durable, suitable for workouts or outdoor activities, offering protection against rain and water splashes.
TOZO Open Buds maintain the brand’s reputation for quality sound at an affordable price. The large 14.22mm dynamic driver sets them apart, delivering clear audio, although higher volume may be required. Some sound leakage is present, especially in quieter settings.


Surprisingly, the open-ear design doesn’t compromise bass delivery, showcasing impressive performance. The standard tuning avoids harsh treble issues observed in other earbuds. However, the open-ear nature may not be ideal for noisy environments, affecting audio clarity in places like busy cafes or buses.
For calls, the earbuds feature DSP call noise cancellation, utilizing dual microphones on each earbud to effectively mitigate ambient sounds, it works great in most environments, offering clear and discernible audio.
Navigating features is effortless, with quickly recognized gestures for seamless control over playback, volume, calls, and noise cancellation modes. Featuring TOZO’s ORIGX acoustic technology, sound isolation is effective, minimizing leakage compared to other open-air earbuds. A wear detection sensor and capacitive touch controls with programmable gestures add to the user-friendly experience.
The TOZO Sound app, compatible with both iOS and Android, offers customization and convenience. Switch between five preset modes: Standard, Bass +, Classical, Dance, or Treble + easily.
Monitor battery life effortlessly with the app, providing clear and accurate information for each earbud and lets you plan your listening sessions wisely to avoid interruptions due to low battery levels.
The TOZO Sounds app also facilitates firmware updates, ensuring the Open Buds stay optimized with the latest features, performance improvements, and bug fixes for an enhanced user experience.

TOZO Open Buds utilize Bluetooth 5.3 for quick, stable pairing. Opening the case initiates the process, ensuring seamless connectivity with minimal delays.
In terms of battery, each earphone has a 70mAh capacity, offering 8-10 hours of usage. The 600mAh charging case provides 2 to 3 additional charges, extending total battery life. Recharging is quick – simply place them in the case for rapid replenishment. The case itself fully charges in approximately 1.5 hours for uninterrupted music enjoyment.

In the competitive $70 price range, the TOZO Open Buds stand out with a compelling array of features. Boasting good sound quality and an IPX6 water resistance rating, these earbuds fulfill the promise of a premium listening experience. The unique open-ear design, coupled with adaptable swiveling ear hooks, ensures a comfortable fit for various ear shapes, making them a versatile recommendation.
Despite minor concerns about the absence of fast-charging support and ANC, the TOZO Open Buds offer a compelling package for those seeking quality and versatility in earbuds.
Read our ZiiGaat x Vivir Digital RUMBA review to discover its sound quality, comfort, gaming performance, and whether this affordable single dynamic driver IEM is worth buying.
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