USB Mobile Power Bank Powered Flannel Hands Warmer Bag - Blue
Output power: 3W; Temperature: 60'C constant temperature; Heating area: 65mm x 90mm; Using high-grade velvet fabric folding design; Heating module and mobile power completely isolated ensures heat conduction will not move to the power bank; Low power consumption and high heat efficiency (up to 99%); The 5200mAh power bank can work for 9 hours; Universal USB standard port suitable for all USB mobile power bank; Powered by the power bank and also for storage use.