Hand Warmers Rechargeable 2 Pack, Ai Temperature Control Pocket Size Electric Handwarmers, Quick Charge Portable Hand Warmer Great Gift For Christmas Outdoors, Hunting, Golf, CampingThis is a 2-in-1 rechargeable hand warmer with a 5200mAh battery capacity, which can last for 12 hours A reusable hand warmer with 3-second heating and three-speed heat..