Our electric hand warmer are made of high-tech aluminum and ABS materials, built-in smart batteries, multiple protection technologies to keep them away from overvoltage, overcharge, overcurrent, over heat and short circuit. Double-sided heating, you can get warmth just in a few seconds. 10000mAh large-capacity, which can be heated continuously for 6-10 hours, 3 temperature modes. It heats up quickly in 3 seconds, double side fever, bringing you warmth instantly. It can also be used as a mobile power bank and LED light, which can easily charge your mobile phone. Our USB hand warmer is easy to carry, can be easily put in your pocket, and carried with you. It is suitable for winter fishing, hiking, camping and other outdoor sports. The best gift for you in winter. Your logo is welcome.
