Handheld Hand Warmer and Power Bank USB

Winter is approaching, and no more hand freeze after, for example, let's say you take off your gloves and use your phone. This hand warmer adopts safe material with sturdy fine workmanship. With an integrated intelligent protection system, it is explosion-proof, safe to use. Our product is durable and designed to give you a comfortable hand feeling. Double-sided heating and 2 temperature levels for rapid heating and always keep your hands warm in cold winter.