Features1Safe and Metal Hand Warmer: This hand warmer has a built in intelligent protection system and is equipped with a protective device. It automatically turns off after a heating time of 25 minutes to prevent working too long or overheating. This portable hand warmer features an aluminum shell with a smooth surface and comfortable touch. 2Double Sided Fast Heating and Heating Settings: Press and hold the button to turn it on, and then release heat from the heating surface for 5 seconds. Heating helps to warm hands. Then there are three temperature settings (45, 50 , 55 ) that you can adjust according to your needs. 3Relax Body: This hand warmer is suitable for the neck, arms, legs, calves, thighs, shoulders, back, waist, and feet. While relaxing your body, it can keep you warm continuously, making you feel more comfortable in the cold winter. It is suitable for mountaineering, hiking, traveling, camping, skiing, cycling, and more. 4Portable Hand Warmer: The mini hand warmer is small in size, easy to carry, and easier to put into a pocket. It is suitable for men or women in cold winter. The hand warmer can be used continuously for up to 12 hours to ensure long term use and is suitable for many winter outdoor activities. Magnetic suction design on the back for easy outdoor use. 5Best Gift: This rechargeable hand warmer is the best gift choice for children, youth, boys, girls, men, women, and the elderly.SpecificationItem Type: Portable Hand WarmerProduct Material: Metal, ABSWeight: Approx. 171g / 6.0ozSingle Battery Capacity: 2500mAhBattery Type: Lithium Battery (Shipped With Built In Battery)Product Size: Approx. 9 x 5 x 2cm / 3.5 x 2.0 x 0.8inPackage List2 x Portable Hand Warmer1 x Charging Cable1 x Hanging Rope1 x Storage Bag1 x Manual