USB Rechargeable Portable Winter Mini Hand Warmer $ 6.33 Product information: Charging time: 3-4 hours Power input: 5V/1A Power output: 3.7V Charging current: 5V/1A Working current: 0.4-0.9A Rated power: 5-10w Product net weight: 8x2.5 * 6.5 CM Service time: according to everyone's requirements for heat Packing list: Hand warming treasure * 1
