TOZO AeroSound’s 55-hour maximum includes case recharges

TOZO AeroSound wireless earbuds went on sale in Japan on October 7, 2026, through ROA International. The advertised 55-hour maximum includes recharges from the charging case and applies to normal mode; enabling noise cancellation changes how long you can listen between charges.

How long can you listen before reaching for the case?

The manufacturer lists two sets of playback estimates, depending on whether active noise cancellation (ANC) is enabled:

• Normal mode, with ANC off: up to 14 hours on the earbuds alone, or up to 55 hours total with case recharges.
• ANC on: up to 8 hours on the earbuds alone, or up to 30 hours total with case recharges.

These are manufacturer estimates. Actual playback time varies with volume, content and the listening environment.

The case’s front digital display shows its remaining battery, giving you a way to check the charge before heading out. It is a battery readout, not a touchscreen remote.

ANC for listening, ENC for calls

TOZO rates the adaptive hybrid ANC at up to 45dB of noise reduction. The separate six-microphone ENC feature targets background noise during calls.

The earbuds use 10mm dynamic drivers with TOZO’s OrigX sound processing and support AAC and SBC codecs. The TOZO app lets you choose EQ presets, create and share your own EQ settings, and remap the earbuds’ touch controls.

IPX8 water resistance applies to the earbuds only; the charging case is not waterproof. The black T11124-BK model uses USB-C charging and is listed on MyCaseShop at ¥7,980 including tax.