WARNING: When charging the battery, use only the approved charger provided by the manufacturer. Use of a non-approved charger may cause fire, explosion, leakage, and other hazards which may also reduce the life time or performance of the battery.
The Bluetooth system can be charged using many common methods via the supplied USB power & data cable:
1. Plugged into a computer’s USB port.
2. With a USB-equipped AC adapter via a wall-outlet charger.
• Please make sure to take off your helmet while charging. The Bluetooth system automatically turns off during charging.
Depending upon the charging method, the Bluetooth system will be fully charged in about 2.5 hours.