1USB Charging: 5V voltage of USB interface, which can be powered by mobile power, mobile phone charging head, vehicle USB port, computer USB port, etc. 2Hot Compress Function: The hot compress of heated seat cushion has the function of dispelling wind and cold, warming channels and unblocking collaterals, temperature control and heating to awaken energy, and activate stiff muscles and ligaments. 3Fast Heating: The heating pad is evenly heated, warm and comfortable, with 5 seconds of fast heating and 30 seconds of constant temperature, 5V waist and backrest 2 zones heating. 43 Gears Temperature Control: Press and hold for 3 seconds to start the machine, the initial gear is high gear, which decreases in sequence, the high, middle and low gears correspond to the color switch, press and adjust gently, which is convenient and fast. 5Washable: Graphene materials are not afraid of washing, and can still be used normally after drying, which is convenient and practical, and can be used at ease.