Package Contains: Foot Massager Stimulator (Pack of 1) -The Low Frequency treatment is by rhythm and soft impetus. -The low frequency is a special electricity with a regular rhythm or stop. -According to suitable power and speed on bodyby low frequency, which makes a rhythm and sort impetus on body. -The softness of low frequency are as same as massage effect like pressure, pinch and percuss by human hand -Choice 6 modes with simple operation