1. Long press for 2 seconds to turn on/off
2. Click to switch modes
a. Fast mode (blue light)
b. Slow mode (purple light)
c. Interactive mode (yellow light)
3. After working for 5 minutes in each mode, enter standby mode. if not awakened after 30 minutes in standby mode, it will automatically shut down, and the mode indicator light will flash twice every minute in standby mode.
4. Low voltage indication: The red light flashes rapidly before shutting down.
5. When charging, the red light flashes, and when fully charged, the red light remains on.