Charging Hand Warmer Digital Display Self Heating Temperature Control Double Sided Heating Hand Warmer 2-in-1 Charging Hand Warmer Mobile Power Bank Features: Fast Heating: Can achieve the required temperature in a short time, no need to wait. Smart Temperature Control: Has smart temperature control function to maintain a constant temperature. Power Bank Function: Can be used as a power bank, providing additional charging function. Long Battery Life: Has a long battery life, can be used for a long time. Three Temperature Settings: Can adjust different temperature settings to meet different needs. Product Descriptions: Product Name: Hand warmer Color: Green Material: ABS + Metal Aluminum Input voltage: 5V Rated current: 2A Rated power: 5W Product Size: 9.7*6.8*3 cm (3.8*2.67*1.18 in) Packaging Size: 12.5*11*3.5 cm (4.92*4.33*1.37 in) Gross Weight: 150 g (0.33 pounds) Package Contents: 1* Hand warmer 1* Charging cable 1* Instructions