It is micro-computer controlled massage sofa, it could to relieve pains from the back..with different modes it could hope to improve the blood circulation and lead a sound sleep.The different organs of body are all have a good massage,such as buttocks,thigh,calves and feet,The air bags inprove the massage cushion.When the backrest reclined.the footrest upward .it could become a good massage bed. Internal mechanical structure. Four hunmanized,quiet designed rollers at back driven up and down,make the kneading,finger-pressing ,knocking and synchronizing functions both in individual and combined types Two air bags at seat ,four air bags at calf ,you could enjoy a good massage at your lower body,Both backrest and footrest are auto reclined by control panel .the massage strength and width at back are both adjustable.