... by new mechanical massage, head, neck, back, waist, buttocks and other parts subjected to rolling, massage, kneading, tapping each other ... ; 3 S-shaped back rail to the body curve. And set the upper body automatic massage function (comfort, ease, ... massage, two tranches of adjustable intensity. Increased waist hyperthermia hyperthermia and foot function. 9 air pressure massage: pressure foot, leg ...