■AIR pressurized massage. ■2 build-in air cells for the ultimate massage sensation to your upper body ■Penetrate deep tissue massage is achieved by the air cell inflationary / deflationary process. ■ 3 massage intensities to choose from ■Does not numb your skin under prolonged usage. ■Multi-function L.E.D. illuminated hand control wand to choose your personal massage preference. ■Safe auto 15-min shut off mode. ■Great for auto, home, or office use.