|Has 10 intensity options and 6working mode options.|
Four LED display
Will close automatically after 12 minutes normal staring.
It will return to "open" status without touching the skin during 3 seconds of normal starting; also it will close automatically during 20 seconds of "open" status without pressing any button.
Generates electronic impulses when the muscle exercise unit is working.
Press the ON/INC button again when power is on, the muscle training units start working, the intensity is level one, the mode is mode A.
It powered by 2pcs Li-ion button batteries, which can last for a long time.