Designed with a set of vertically movable, four-wheel driven muted massage hands Designed with six special automatic massage functions: FULL BODY, SHOULDER, KNEADING, WAIST, BUTTOCKS, MUIC SYNC Three groups of massage status memory Manual massage for the upper body with three options, fixed, artificial and overall massage, with five levels of speed adjustable in the state of flapping, shiatsu and knocking, the width between the two kneading balls is adjustable with three levels Heating function for the back, with carbon fiber as infrared he at emitter. Automatic lifting function: Calf rest and backrest can be stretched and reclined & declined automatically Massage hands can be Automatically sitted up and restored when shut off the machine With MP3 player function