Air pressure focus on muscle, plevic and waist to beauty body shape 1)4 functioncourses 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) 2pressure strength adjustable: strong and weak 7) Singlecourse runs for 15 minutes 8) Package Size:570*680*820MM 9) NG/WG: 18/20KGS 10) Voltage: 100--240V