TENSProducts is the leading provider of drug-free electrotherapy pain management products. We offer top-quality pain management products at a low price with friendly customer service. A TENS unit also known as a Transcutaneous Electrical Nerve Stimulation unit, is a portable, battery-operated device designed to relieve pain through electrical stimulation. TENS therapy is non-invasive and widely used for various types of pain management, including muscle soreness, arthritis, and post-surgery recovery.