RK-7803 1. Patented unique 3D massage machine can give more comfortable and more effective massage; 2. Zero gravity function, Actuator adjustment on seat, backrest/leg-rest; 3. Body scan function. Body height can be detected to adjust back travel length; 4. Whole body air pressure massage including head(or eye), shoulder, waist, arm, seat, leg and foot; 5. The shouder airbags can be adjusted within 15-30degrees; 	 6. Heat in two back cushions and the smaller back cushion can be removed; 7. Newly designed sewing products including the back cushion, armrest and seat cushion airbags with two points. 	 8. Rollers on soles; 9. Built-in MP3; 10. Removable power box for easy checking and maintenance. 11. Additional head massager can offer air massage.