3 interchangeable heads personalize your massage experience to target deep into multiple muscle layers Adjustable intensity provides soothing and effective massage that helps to relieve stress， enhance blood circulation and stimulate cell metabolism Ergonomical design allows easy application to any part of the body. Weights only 2.5 LB Soothing Infrared Light relaxe and restores your body. Lovely personal care massager Percussion action massage for the entire body