The electric hand warmer by Hand Warmer is a portable and lightweight device designed to provide warmth to hands, stomach, waist, and knees. It is reusable and features a sleek black color, making it perfect for any winter sport activities. Made in China, this hand warmer has dimensions of 86mm in length, 50mm in width, and 24mm in height, with a weight of 55g(*2), and 2600mAh(7.4Wh) working time from 6 to 8 hrs, charging time from 3 to 4 hrs, Type-C input interface, making it convenient to carry around for those cold winter days. Both warmers can be charged at the same time, COOL!  AA-1-2-H-083125