Dolphin Neurostim OTC is a hand-held micro-current nerve stimulation device, which is specially designed to temporarily relieve muscle pain. Applying two Dolphin Neurostim OTC devices to surgical scar is another effective method to temporarily relieve chronic soft tissue pain. It is reported that scars can cause chronic pain in science, which leads to various health problems, including chronic pain. Dolphin OTC adopts a patented solution, which is based on the scientific concept of increasing skin intercellular metabolism, protein synthesis and healing function, so as to awaken the skin's self-generation ability. Through the direct cellular stimulation of micro-current wave by scar, this simple and discomfort-free procedure has been proved to relieve 73.2% pain after one use. (IJCAM 2018) Dolphin Nerve Stimulation OTC Scar Removing Kit includes two (2) portable dolphin Neurostim OTC devices, an easy-to-follow protocol manual, a scar release manual, a remote treatment extension probe and a charming portable box. Dolphin 30-day guarantee: We are very confident that you will find that dolphin nervousness can relieve pain, and we have an unconditional 30-day money-back guarantee. If you are not completely satisfied, please return the whole system and we will refund the purchase price unconditionally.