The Santamedical TENS Unit with Dual channel is a great therapy device that has been tried and tested for proven, safe, and natural method to cut the pain and help stimulate the feeling of relaxation. It also helps in increasing the blood flow and refreshes the muscles by promoting the health to a better state. The TENS unit of SantaMedical sends the electrical pulses of low voltage through skin and passes through the nerve fibers. This blocks the nerve pathways of the body and stimulates the endomorphine in the body. This is necessary for promoting and improving the performance of the muscles. It also increases the motion range and the circulation of blood.