... .Infrared ray heating therapy 2.Eletromagnetic therapeutic function. 3.Vibration massage function,etc. 4.Best price Light and streamline design, more ... for use. Particularly use the Positive and negative knead and massage function. AC220V can turn to DC12V for use, safe and ... reliable. Simulate the masseur, massage on the human's body neck, shoulder, back, waist, hip ...