Key compositionIt is composed of 14 digital keys (,,,,R3,L3,R2,L2,R1,L1,TURBO, SET)*Function Setting1Long press the SET button for 2 seconds,X light flashes quickly 2Press the M1 or M2 (Press once to switch once ), lights flashing slowly in sequenceFlashing Sequence:R3L3R2L2R1L1)3When the -target button is flashing, press the SET button,finish setting*Note: the handle should also have programming and memory programming functions when it is not connected to Bluetooth-compatible state and charging state*Clear Cache:Long press the SET button for 5 seconds,the LED changes from blinking to off*Memory Function: Insert the handle again and still retain the last programming function The factory default has no definition*Turbo function:Press the M1/2 and Turbo at the same time, the function key has Turbo continuous launch function Repeat this step to cancel