Ergonomically designed for use on all parts of the body, especially those hard to reach areas. Simple to use with 4 speed selections. Powerful vibration massage relaxes tense muscles and relieves pain in your lower back, shoulders, legs or wherever you need it most. Soft rubberized head is suitable for sensitive spots yet firm enough when pressure is needed. Ergonomic and lightweight design for use on all parts of the body Soft head, flexible movement for maximum sensation 4 speed selections: 1 knocking and 3 vibration speeds (up to 6000 rpm) Detachable 100-240V Universal AC power adaptor Muscle relaxation and pain relief; Stimulates blood circulation MODEL NO - UC-571P