Features: *High-quality material: This product is made of high-quality material, which is wear-resistant and durable, and can be used for a long time. *Portable: The mini hand warmer is small in size, easy to carry, easier to put in your pocket, very suitable for outdoor sports in cold winter. *Multifunctional: This hand warmer can be used as a power banks, and it is also designed with LED Light, digital display of battery temperature, heat therapy and pain relief, high-frequency vibration promotes blood circulations, and helps relax muscles. *Wide Application: This hand warmer can continue to heat and keep warm, making you feel more comfortable in the cold winter, very suitable for mountaineering, hiking, traveling, camping, skiing, cycling, etc. *Great Gift: This hand warmer is the best gift for kids, teens, boys, girls, men, women, the elderly on Chirstmas, birthday. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material: aluminum alloy ABS Size: 110*63*33mm Battery capacity: 6000mAh Input/Output: 5V/1A Package List: 1 x Hand Warmer