Feature: 1. Small And Light: Compact hand warmers can keep your hands warm and comfortable throughout winter, allowing you to enjoy this wonderful season even more. 2. Multiple Functions: Not only a hand warmer, but also a lighted makeup mirror, you can put on makeup anytime, anywhere. 3. Easy To Use: You don't have to worry about changing battery frequently, USB plug can be easily connected to laptop and charger. How to Use: 1. Short press button on the back of the product to turn it on, and fill light will be on at this time 2. Short press the button again, fill light will go out, and the heating function will turn on to the high gear. After about 5 seconds, it will achieve 50‑60°C 3. Long press the button, heating function will change to low gear, heating temperature is 45‑50℃ 4. Short press the button again to shut down Specification: Item Type: Hand Warmer with Mirror Material: ABS Function: Illuminated Makeup Mirror + Hand Warmer Heating Temperature: High grade 50-60℃, low grade 45-50℃ Built In Battery Type: Lithium Battery, 500mAh Package List: 1 x Hand Warmer Makeup Mirror 1 x Storage Bag 1 x Charging Cable Note: 1. Do not use while charging2. Please allow error due to manual measurement. Thanks for your understanding.