Hand Warmer Rechargeable, Walliebe 10000mAh Hand Warmers with 3 Levels Heating, Portable Pocket Hand Heater with USB Quick Charge for Outdoor, Camping, Winter GiftPower Input : 5V-2AMAX Power Output : 5V-2AMAX Charging Current : 2A Rated Power : 16W Battery Type : Lithium-ion battery Battery Capacity : 10000mAh Charging Time : 5 hours Product Net W..