Clinically proven TENS technology and lumbar support are safe and effective to reduce lower back pain. TENS technology targets the lower back muscles with mild, comfortable pulses over the skin. Stops pain by Pain Gate theory and Endorphin Stimulation. Pain gate theory - preventing pain impluses from reaching the brain. Endorphin stimulation causes the body to produce it"s own natural painkillers. Lumbar Support improves posture and mobility.