Uses: physical therapy and health care ankle, protect the ankle, relieve ankle pain, heat to promote blood circulation, protect the ankle from the cold Product advantages: The temperature of the heating plate is 60 degrees. The USB cable is equipped with an adapter directly inserted into the voltage of 220V, and the temperature can reach 65 degrees, which brings enough warmth to the ankle joint. Size: all size Material: diving material + heating sheet + Velcro; size: 32*21*1cm Input and output voltage: 100-240V/5V Hertz: 50/60Hz Output current: 1A How to use: Put it on the ankle, attach it to the Velcro, and then plug it in and heat it up. Selling point: divided into three temperature, low, mid, high, to meet different needs Built-in heating plate, rechargeable heating, can relieve ankle pain. Product list: heating ankle *1 1.5M USB cable line*1 Instruction manual*1