Product Characteristics Tens machine generates pre-set pulse wave and sent it to electrode pad which simulate acupuncture and massage therapy. Electrode pad can satisfy various muscle stimulation needs. Our products use high quality imported materials with excellent electrical conductivity and reusability. It is thin and soft with even electrical distribution. The electrode is comfortable, smoothing and safe with no pinching, burning sensations. With proper caring, an electrode pad can be used multiple times before replacement.