china massage chairs AD hoc double electric stepless regulator, but according to the user to the individual's be fond of adjust back and foot frame work Angle, can satisfy the arbitrary massage position, let you that can be sitting position massage chair, also can lie down to zero gravity massage. Have electronic timing function of the massage chair of the built-in microcomputer chip has DuoZhong timer function. When begin to massage, electronic timer starts, massage after the end of the time, massage chair will automatically stop, lest because of excessive massage and cause body unwell.