1、【Warm and Safe】Using the latest upgraded durable and safe carbon fiber heating plate to create the largest heating area and provide the maximum warmth for the back of your hands. It is designed with 5V voltage, which is a safe voltage.2、【3-Gear Temperature Control】You just need to press the power button on the back of the hand muff to select the appropriate heat output according to your needs. Keep your hands warm and the rest will follow (low 50°C, medium 55°C, high 60°C, depending on the environment).3、【2 Side Pockets】 There is a small storage bag at the front and back, the front side pocket is used to hold the mobile power supply (not included, you need to bring your own 5V mobile power supply), and the back is a storage bag (can store mobile phones, keys and other small items) ).4、【High-quality Material】The main body is made of water-repellent high-frequency pressed quilted cotton, with flexible elastic cuffs at both ends, which help to lock the heat perfectly, as convenient as a pocket, you can release your hand immediately when you need it, with adjustable, quick release type shoulder straps for easy on and off. Perfect for cold winter activities such as fishing, golfing, hiking and photography.5、【Winter Outdoor Must-Have Gift】The hot hand muff is the perfect gift idea, a winter and Christmas must-have for your family or friends to love in the cold winter or to work outdoors. Perfect for birthdays, Thanksgiving gifts and Christmas gifts.