•Press the on-off key to start the machine, the default open mode is weak mode, the corresponding indicator lights up.
•Press and hold for 2 seconds to switch mode, the mode is switched to the strong gear, and the indicator light is also switched to the corresponding indicator light.
•Long press for 2 seconds to switch the mode to pulse gear, and the indicator light also witches to the corresponding indicator light to cycle in turn.
•Press the key to turn off the machine. The machine will turn off automatically after 2 minutes.
•When the battery of the instrument is charged, the three indicator lights flash in turn. When the battery is full, the three indicator lights will be on for a long time.