Come and see our amazing products! The Electric Heated Blanket is USB powered,no need battery.Just contact USB plug device,such as notebook,pc,power bank.Do not need battery operated. The USB Electric Heated Throw Blanket comes with a pockets,where you can put your mobile phones, power bank,or your hands to keep warmer. MULTIPURPOSE - This Portable USB Electric Heated Throw Blanket allows you to bring to everywhere you want,such as for camping,hiking,outdoor activities,or office. This blanket is also wheelchair accessible. Pls confirm further with us if any query about packing info, inventory status and time schedule.