iReliev PainIQ+ is a smart device that offers Low-Level Laser Therapy(LLLT) or Cold Laser Therapy is the application of low-power light energy, within the visible red and near-infrared band of the electromagnetic spectrum, utilizes specific wavelengths of light to interact with tissue and to help eliminate pain, swelling, reduce spasms, and increase functionality. LLLT works deep within the cells to speed up repair and improve functionality.