Talk Time is the maximum time you can talk before a device runs out of power

Talk Time: Up to 8 hours

Standby Time: Up to 240 hours

Standby Time is the maximum time a device can remain powered on

USB Charging: Yes

USB Charging enables a device to be charged via a USB cable

Controls :

Volume Buttons: No

Auto Connect: Yes

The product will automatically connect with a nearby paired device

Voice language:

Japanese

Chinese

On/Off Button: Yes

The product has a physical on/off button