1. Turn on: Long press to turn on 2. Speed regulation: The motor rotatescounterclockwise by default at F when it is turned oTurn the knob clockwise to increase the speed.
Turn the knob counterclockwise to decrease thespeed
3. Reverse rotation: Press the Button twice insuccession, R is displayed, and the motor rotatesclockwise.
4. Press the Button twice in succession, Motorreverse rotation, Adjusting speed is the same as
step 25. Shut down: Long press to shut down.6.When the battery level is less than 35%, thedisplay will flicker.7.When charging when the machine is turned off, thedisplay will light up