1. massage by the microcomputer programming 2. massage mode : kneading , knocking ,rolling ,pressing . 3. air-style massage for the hip and leg ,strong, middle or weak massage mannersfor choice . 4. revolving board mechanism will make the seat chair revolve up to 45, the calfpad will be turned out from 0 to 180 5. It includes the function avoiding exceeded heat, current and operation . Specifications : Name of product: comfortable massage chair Safety Grade : A Model: OM-002F G.W / N.W: 68 / 64kg Per Unit : 1 pc / carton MEAS: 105*76*77cm Input Voltage : AC110V ,AC220V QTY / Container Size : 99CTNS / 40 HQ Power : 160 W Angle of the back cushion adjusted : 5 to 155 Frequency : 50HZ to 60HZ Angle of the calf pad adjusted : 5 to 95 Rated Working Hours : 30 minutes producing area:China payment:TT supplying capacity:100pcs