Massage chair This product is equipped with the up-down movement, four-wheel driven massage mechanism with muted voice design. Automatically check the upper body massage points, shoulder position check and adjustment. Programmed 9 kinds of traditional classic massage functions to imitate the humaní»s hands sense:kneading, knocking, flapping, shiatsu, stretching, synchronous kneading And knocking, pressing, heat treatment and vibrating. Designed with 3 auto massage functions for the upper body. In the manual massage mode , the massage functions all can be selected and the intensity, speed, width and position all can be adjusted. Designed with air pressure massage function of the lower body (35 air bags are equipped inside), there are 6 modes. Mp3 music function:the back mechanism massage speed and virbration intensity are changed along with the frequency of the music. Backrest and foot rest ascending and descending function. Equipped with a jade heater in which 5 helium-neon bulbs use 5 jades as infrared emitter, the temp can be adjusted between 40íµ-70íµ 15-30 minutes auto timer function. Restore automatically when turn off the power. 123*77*76(cm), 100kg(g.W), standard lot size at least 10 sets