1) 4 function courses to consume fat on thigh, hip and waist 2) Plevic correction: With Back Air Bags Hip Air bags and Side Air Bags kneading to correct misalignment in the pelvic. 3) Waist Shape: With Side Air Bags in/deflation, Hip Air Bags Lifting forward and Back Air Bags pushing forward to shape your waist. 4) Hip Shape: With Hip Air Bags in/deflation to massage hip, 5) Free adjusting the recline angle of backrest 6) 2 massage strength adjustable: strong and weak 7) Single course runs for 15 minutes 8) Voltage: 100-120V, 220-240V Packing: carton