600mAh battery with two adjustable settings
Red light on when plugged in, green light on when fully charged
Charging time is about 1.5 hours
Working time is about 2-3 hours after full charging.
Solution to the Flashing Green Light Issue of FS01 Rechargeable Model:
When the green light flashes, power off the device until the light ceases.
Charging while the light is flashing will cause it to continue flashing. In order to resolve it, drain the battery completely until the green light turns off, then recharge to restore functionality.
Cable version (Non-battery version) not has battery!
Only rechargeable version has battery
