Prospera's electronic slim massager tones muscles in your waist, arms, legs and abdomen with its powerful knock and high-speed vibration massage. You can regulate the intensity of the massage with four operating modes constant vibrating, pulse, wave, and cycle of vibrating. Your muscles will sigh with relief when you soothe them with the electronic slim massager. The ultra-light unit comes with a remote control and can be easily adjusted with a velcro strap, to bring maximum sensation just where you need it. Firm up muscles at home or in the office.