Warm Material - The Heated Shawl is made from coral fleece， in which the heater is composed of high-grade carbon fiber， The local highest temperature is up to 45.CERTIFIED SAFETY STANDARD - There are 3 thermal setting controllers that al easy adjustment of temperature， high，medium and temperature.USB POWERED - This shawl wrap can be plugged into any 5V USB port such as charger，power bank，car USB charging and computer，whenever you're at home or in the office or walking outdoor or camping， you can always feel warm with it.Widely Use - The USB Heating Blanket is a soft plush blanket surrounding a heating pad. Can be used to cover knee， wrapped waist， draped over the shoulders， seat cushion， heat.