Press Y + Home 2 seconds to enter the Bluetooth search mode, led1-led4 running horse flashes, and the LED channel corresponding to the successful connection remains on (Switching the assignment of the host organization); Synchronous state, or being paired with host connection: led1-led4 flashing horse;
Note: when the handle enters synchronization mode, it will automatically go to sleep if no synchronization is reached within 2.5 minutes.