The BPL TENS RELIEF is a Transcutaneous Electrical Nerve Stimulation (TENS) device that provides drug-free pain relief by sending small electrical impulses through electrodes placed on the skin. Key features include 14 treatment modes (7 body parts, 7 massage types), dual independent channels, 15 intensity levels, and a customized treatment time. It is portable, compact, and designed to be used for various conditions like muscle stiffness, joint discomfort, and back pain.