1.five automatice progams,easy and convenience to use 2.music massage, this chair could supply very comfortable massage action in accordance with music rhythm. 3.MP3 player and hi-fi earphone installed, you could hear MP3 music when you enjoy the massage. 4.measuring the figure automatically with infrared rays 5.air and vibration massage in thigh and calf position 6.the angle of the backrest and footrest can be adjusted by electric motor 7.footrest stretch,retract to meet individual need, the length of it is adjustable 8.massage time is adjustable 9.remote control in LCDscreen