1. USB charging, working time, 1-2 times a day, 2 minutes each time, can be used for 45-60 days,
2. Working mode: gear memory function, 2 minutes timer, 30 seconds pause, short press to turn on, short press after turning on to switch gears, one gear, two gears, three gears, four gears, five gears, six gears, long Press for 3 seconds to shut down.
3. When working, the light will light up in the corresponding gear position, the red light will light up when charging, and the light will turn green when it is full.