Three-In-One Design: This rechargeable hand warmer with a 3-in-1 design- hand warmer, mirror, led light. In addition to warming your hands, it also comes with a warm light LED makeup light, which can facilitate your makeup needs when you go out. Easy Switch: Electric hand warmer can adjust the temperature through control. The three levels can be easily switched, and the temperature setting mode has two kinds of high temperature and low temperature. You can adjust the appropriate temperature according to the weather conditions. Continuous Heat Preservation: The reusable hand warmer is durable and efficient. The heating temperature is around 45-60, which is the most comfortable range for the human body. It can keep your hands warm for about 2 hours. Fast Charge: The USB hand warmer uses 2A fast charge 5V voltage, 8 seconds fast charge. Allows you to take it out without having to wait for a long time. (Note: It takes 2 hours to fully charge.) Gifts Ideas Ever in Winter: The portable hand warmer is the ideal gift for Christmas, Fathers Day, Mothers Day, Valentines Day, Teachers Day, there is nothing more important than winter warmth and health. 9*8.5CM.