... press,kneading flap, knocking,synchronization of flap and kneading,vibrancy and so on. 3.with massage place ... of upper half of body,shoulder part detection and adjustment function 4.with the design of ... as making you comfort,strong. relax.decompress and slack5.with design of manual-massage to upper ... from whole body,part ,fixation,shoulder ,back and haunch.and there are five level of speeds each ...