Product Description This blanket generates heat via USB power. Perfect for cold places or those who feel chilly from air conditioning. Can be used as a shoulder wrap, lap blanket, or mat. You can also carry it around by storing a mobile battery in the zipper pocket. Specifications Power: USB 5V Size: 80 x 45cm Color: Black Made of comfortable flannel material. Features a button closure for use as a shoulder wrap. Uses 5V USB power, making it economical and safe. The heating element can be removed for washing. *Imported product, so no warranty is included. Please be aware of this. ★ Brand new and unused. Will be shipped after functionality check. ^_^ Please note that returns are not accepted if the product does not work. ★ This product is not made in Japan, so please refrain from purchasing if you are concerned.