Features: 1) Intellective hand-simulated with multifunction and microcomputer which can measure the people's height to adjust to the best position automatically and the calves can be automatically extened about 15cm 2) Mechanical hand without noise which is set at back will be up and down, driven by four wheels, it can complete the massage modes of shiatsu, kneading, tapping, knock, and kneading-tapping at the same time 3) Moveable setting of airbags for the massage at the armrest 4) The massage modes of vibration and airbags at buttock, calves and feet which can alleviate the ache and clear away the tiredness 5) The MP3 is set inside which can download any music from the computer, the intensities for the massage can be changed as per the change of music's voice 6) The back support can be adjusted to the angle of 170 at most while the calves can be raised up to 90 degrees 7) Equipped the swivel wheels which can be flexible to remove the chair Outer packing: 1pc/2cts Carton dimensions: 140 x 80 x 76cm, 56 x 50 x 52cm Carton volume: 1cbm