It’s an automatic heating pad which generally takes 10-15 mins to heat up and the light will be off to show the heating pad is ready for the use. This heating pad is used for heating the muscular pains, any strains, and women-related pains and cover all sort of pains of human body. The pad will be vibrated till its heat up properly. Once the vibration is off, the pad ready for use. Heating pad is a pad used for warming of parts of the body in order to manage pain. Localized application of heat causes the blood vessels in that area to dilate, enhancing per fusion to the targeted tissue.