Function & Features: 1.Innovative streamline design 2.Adopts infrared Technology in both side(front face and back face) 3.4 kinds of different silicon rubber heads for you to choose to assemble 4.Two speed power switch for strong and weak massage 5.Different patterns for the lights on the surface can be designed 6.Infrared physical therapy relieve pain of muscle and help you to relieve the pain after exercise 7.Promote blood circulation 8.Alleviating muscle tension and reducing stress and pressure Unit Packing: Color Box Packing Size:40*10*11cm N.W. 0.84Kgs G.W. 1.03Kgs