ROCKBRS Winter Gloves Cycling Electric Heated Glove USB Rechargeable Touchscreen*Important* This product has no power storage function, it needs to be heated while charging Can be used with car USB port or power bank *Special Note* About heating: The glove can reach about 70C,and it will not burn out even if youforget to power off, so you can useit with confidence. About cleaning: Since there is a heating wire on theback of the glove, this product cannot be washed or dry cleaned. The stains can be wiped off slowly. Product