Hi, Dear little angel, welcome to Jacenvly, our products are cheap and good quality, price is fair, you can't miss it. If this product is not your style, please click on our store, we have many kinds of products, there will be you like and suits you. If you have any questions about your purchase, please send us the first message, we offer world class customer service to make your purchase without your worries. Have a nice day. Electric Warming Heating Blanket Pad Shoulder Neck Mobile Heating Shawl USB Soft Winter Warm Health Features: Power supply: USB interface, use 5V 2A charger or mobile power supply, normal temperature covers about 40-45 degrees. Product material: fleece Heating sheet: carbon fiber heating sheet Blanket size: about 70X45cm, heating size: about 20X30CM Adapt to the season: and winter Cleaning: Brush the surface of the product, to rub the hot part in the middle Package Content: 1x Electric Shawl Features: Power supply: USB interface, use 5V 2A charger or mobile power supply, normal temperature covers about 40-45 degrees. Product material: fleece Heating sheet: carbon fiber heating sheet Blanket size: about 70X45cm, heating size: about 20X30CM