Feature The new fast heating Hand warmer uses space aluminum alloy. 5s heating, no longer waiting. It can be used as a hand warmer or a power bank to charge the phone. Three levels of adjustment, double-sided heating, always have the temperature you like. 10000mAh battery capacity, can warm all day. The intimate design of the tote bag brings a more portable experience. The heating piece is separated from the hand warmer to prevent short circuit and explosion. Item Type :Warmer Heat Heater Material Auminum Alloy +ABS Color:YellowPink, Blue Heating temperature: 45/55 Material: aluminum alloy+ABS Charging time: 3-5H Battery: 10000 mAh Use time: 5-8H Charging method: Type-C Quantity:1 Pc. Package includes: 1 Pc x Hand warmer