Adapted rechargeable electrotherapy patch refills that help relieve muscle and joint pain. They act on the nerve fibers of the painful area, blocking the transmission of pain to the spinal cord and brain. In addition to stimulating the production of endorphins, molecules responsible for the natural destruction of pain. It is used in electrotherapy technology TENS (Transcutaneous Electrical Nerve Stimulation / transcutaneous electrical nerve stimulation). The TENS plaster is an electrical device that allows the adjustment of the intensity up to 15 levels in treatments of 20 minutes. Accompanied by 2 gel refills, it is reusable, allowing up to 40 uses (20 uses / gel). Format of 3 units.