The Pure-Wave CM7 Percussion Body Massager is ergonomic and lightweight. Pure-Wave CM7 Cordless Massager Body and Facial for Foot, Legs, Neck, Back, Shoulders: Powerful percussion action for a relaxing massage Lightweight and ergonomic design Cordless for convenience and ease of use Variable speed (1,500 rpm - 3,700 rpm) Pure Wave Massager provides relief from stiff joints, muscle spasms, knots, cramps and more Same relieving effects as visiting a massage therapist, from the comfort of home Six different massage heads for customizable intensity Features a facial vibration motor specifically designed for facial and scalp massages Rechargeable battery makes it simple and easy to use where and when you need it Percussion vibration provides relief from ache and discomfort Ideal for home or office use