Instructions for use: 1) Connect the adaptor or put the batteries inside, press on switch, the product will work ordinally and repeatedly from function 1 to function 9. Strong massager IModerate massager-soft massager-knead-soft knead-moderate knead-strong beat-soft beat- moderate beat. 2) If press on/off switch again, it will stop working. 3) Press function code each time, it will work according to your each choice from 1-9. Press timer, 3 minutes or 5 minutes as option to set your using time.