Charging; Checking The Battery Level - Sena M1 EVO User Manual

2 GETTING STARTED: BLUETOOTH SYSTEM

2.4 Charging

Charging the Bluetooth System
Note:
• The Bluetooth system includes a Fast Charging feature which allows
it to charge quickly over a short period of time. For example, a user
can get up to 3 hours of Mesh communication after charging the
Bluetooth system for 20 minutes.
• Please make sure to take off your helmet while charging. The
Bluetooth system automatically turns off during charging.
• Any 3rd party USB charger can be used with Sena products if the
charger is approved by either the FCC, CE, IC or other locally
approved agencies that Sena accepts.
• The M1 EVO is compatible with 5 V input USB-charged devices only.

2.5 Checking the Battery Level

Instruction is for when powering the Bluetooth system on.
Visual Method
=
=
HIGH
=
MEDIUM
=
LOW
Note:
• The battery performance may be reduced over time with usage.
• Battery life may vary depending on conditions, environmental
factors, functions of the product in use, and devices used with it.
Depending upon the charging
method, the Bluetooth system will
be fully charged in about 2 hours.
HOLD
1s
M1 EVO Smart Mountain Bike Helmet | 12