Patent No. 2021030051847.3
Double sided warming, keep your hands warm a whole day. 4 levels temperature control 35℃~55℃
Hand warmer and power bank 2 in 1, large capacity, small size. Hand warmer with flashlight
IPX5 Waterproof Hand Warmer Power Bank
2022 NEW HAND WARMER POWER BANK FOR COLD WINTER
06/01/2022