Press the ON/OFF : the blue lights illuminated, it indicates a startup, press the button again, the red lights illuminated, it indicates a shutdown, and after shutdown, the red lights go off.
1. Blue lights illuminated: startup
2. Blue lights flash: normal operation
3. Yellow lights flash: the device has low power, it leans against the wall
4. Yellow lights illuminated: the device has low power, it leans against the wall and stops running
5. Purple lights illuminated: Bluetooth or WiFi connected
6. Purple lights flash: out-of-water protection, restart before use
7. Red lights flash: the device has a failure
Troubleshooting: When the indicator flashes red, shut down and restart he device. If it still cannot work normally, please contact the customer service.