Prospera's beautiful Dolphin Percussion Massager, with its streamlined handle, brings steady, relaxing massage to tired muscles. Your neck, shoulders and back will sigh with relief when you sooth them with the Prospera Dolphin. But don't neglect your legs and abdomen. They will appreciate the percussion massage as well. The Prospera Dolphin's single-head delivers a relaxing percussion massage just where you need it. You can achieve a deep-tissue massage just by applying slight pressure on the muscle with the Prospera Dolphin's single head.