... and relatives to bring them well-being. It can eliminate pain in the neck, back, With the human intra-muscular bioelectricity ... blood circulation, so as to alleviate the pain for sprains, injury, contusion, and eliminate fatigue in the shoulder, waist, back, arms, ... Functions1. Cleaning and activate meridian 2. Relaxing muscles and eliminate pain & fatigue 3. Prevention and control of many diseases 4. ...