Features1[Keep Warm]: The electric hand warmer can rapidly heat up to 60 degrees Celsius in just 5 seconds, offering two heat levels between 45 to 60 degrees Celsius. The ABS material is skin friendly and non slip, while the dual sided heating provides extra warmth. 2[6000mAh Battery]: With 6000mAh battery, the hand warmer can provide up to 8 hours of continuous heating. It also doubles as a power bank, allowing you to charge your devices such as smartphones and laptops through a USB cable. 3[LCD Display Screen]: The built in LCD display shows the current temperature and remaining battery capacity. Equipped with a temperature sensor, it offers intelligent protection against overheating, overvoltage, and overcharging to ensure safety. 4[Portable and Convenient]: Designed with a built in hanging lanyard, the hand warmer is easy to carry. You can hold it in your hand, hanging on your bag, or hook it onto other objects for quick access. 5[Wide Application]: The hand heater is for various outdoor activities, including exercising, fishing, hiking, camping, skiing, and traveling. It provides comfort and warmth when you need it most. 6[Easy to Use]: With a single control button, operating the hand heater is straightforward and hassle free, is a practical and thoughtful present for your family and friends, ensuring their warmth and comfort during the colder months.SpecificationItem Type: Hand WarmerMaterial: ABS, MetalBattery Type: Lithium Battery (shipped with built in battery)Battery Capacity: 6000mAhPackage List1 x Hand Warmer1 x Charging Cable1 x Lanyard1 x Storage Bag1 x User Manual