This is massage chair be mainly used in office purpose,it is combined with boss chair and massage function. It is very good to relieve the fatigue from body. The backrest is manually reclined. 1,it has two mechanical roller hands at back. 2,the rollers be driven up and down,employ the kneading,pressing mode massage. 3,the waist central position be projected to realize the massage as good sa human hand. 4,four vibrating motors at seat. 5,the seat height can be adjusted