•The rechargeable hand warmer has the function of keeping warm and charging •Built-in 1000mAh battery, it can be used as a power bank for charging your device •2 Levels of temperature settings(45℃ and 55℃), it can be adjusted to stable comfortable warmth •It is small and exquisite, can be held in one hand, and can be carried in a travel bag or pocket •Very suitable for outdoor, travel, work, hunting, sports, fishing, hiking, skiing, camping, biking, etc •When working outdoors in the cold winter, you can keep your hands warm at all times, and it can also be used as an emergency backup power source •The soft fluffy bag is comfortable to touch and makes it easy to carry the hand warmer •It's an ideal gift for your friends and beloved person in the winter Specification: •Product material: ABS+aluminum alloy •Product size: 139*66*67mm •Product weight: 450g •Battery capacity: 10000mAh •Input voltage: 5V/2A •Rated power: 7-10W •Charging time: 5-6 hours •Temperature setting: 45℃ for the first gear, 55℃ for the second gear •Use time: 5-7 hours •Charging interface: Type-C interface Package included: •1 x Hand Warmer •1 x Fluffy Storage Bag •1 x Charging Cable •1 x English and Chinese User Manual