Prospera's beautiful Personal Massager with its high-tech and ultra light weight design, brings a steady, relaxing massage to tired muscles. Your neck, shoulders and back will sigh with relief when you soothe them with this massager. But don't neglect your legs and abdomen--they will appreciate the knock and high speed vibration massage as well. The massager comes with 4 speeds, the first being a steady knocking, and the other three as high-speed vibrations. The Personal Massager's head is soft and water-proof. Its flexible movement brings a maximum sensation just where you need it.Can be used for office and home.