Classic Hand Warmers Rechargeable 2 Pack, AI Temperature Control Pocket Size Electric Handwarmers, Quick Charge Portable Hand Warmer Great Gift for Christmas Outdoors, Hunting, Golf, Camping2 IN 1 Portable Our 2 in 1 hand warmers solve the pain points of traditional, can be used separately or synthesized into one. Warms both hands at the same time, and can also be put in a pocket. Portable Our hand warmers rechargeable net weight 3. 5oz, only 30% of the weight of traditional hand warmers, 30% of the size of the phone, easy to carry, easy to put in pocket. Long lasting Heating Than Ever This electric hand warmer adopt a new heating scheme