USB Hand Warmer

The hand warmer is made of high-tech aircraft-grade ABS material, thousands of polished exterior materials, smooth and warm, portable and compact as well anti-skid in one hand. Press the switch and instantly release the warmth for you. Rapidly warm up double sides in seconds. It can also be used as a power bank to charge your electronic device at any time. It's not only a little handwarmer but also a emergency backup battery. Great gift for girls, kids, youth, boys men's, women, elder.