EN
CHARGING
FN+volume knob can see how much battery left, 1-10
correspond to 10%-100%
FN fast ash red light while low battery.
Plug the usb cable to charge Clutch wireless.
The FN will be steady red light while charging, lights off after
full charged.
When charging ,FN steady red light for 3s , then light with
backlight. After battery full , FN light with backlight.
Remaining battery Charging