Painmaster is a revolutionary Micro Current Therapy (MCT) Patch that is drug free, non-invasive and proven to control pain an ... d promote healing. Painmaster is patented and approved by the FDA. Painmaster conveniently goes everywhere you go, for day after day effective treatment. The Painmaster Patch can be worn under clothing and during everyday activities, sports or exercise. Easy application takes just a few seconds Helpful in targeting multiple areas of pain and releasing muscle tension Internal power supply allows up to 250 continuous hours of use without side effects read more