1. Backrest with combining massage functions of kneading, tapping, shiatsu and extension of muscles. 2. Cushion with airbags and vibration massage 3. Calf by multi-layers airbags and circulation pressure massage 4. Footrest with airbag massage 5. Backrest and footrest with stepless speed adjustment 6. Touch screen or rubber buttons remote control (by optional) 7. Rhythm synchronous mode