Funtion 1, New four wheels massage mechanism for shampoo massage chair. 2, Backrest position with vivid massage function of kneading up, kneading,tapping 3, Vibration massage and air pressure on seat cushion 4, Legrest have swing function. 5, Five strength levels for your choice. 6, New LED display, easily control. 7, Adjustable massage angle. 8, Time setting function 9, Full airbag massage on leg part.