Rechargeable Hand Warmer Large

The dual purpose USB-C rechargeable Hand Warmer and Power Bank by THAW comes in two sizes (small or large) and is built to keep you warm and your USB powered devices charged. With double-sided heat, your hands will stay toasty no matter what the elements throw at you.
Large Hand Warmer
High (134 F / 57 C): 8 Hours
Medium (125 F / 520 C): 11 Hours
Low (109 F / 43 C): 13.5 Hours