Welcome to the store! 1、PLUG AND PLAY: This winter hand warmer can be used with a 5V power source such as a computer, power adapter, or power bank (not included). 2、ADJUSTABLE TEMPERATURE: The maximum temperature of this temperature-adjustable hand warmer is 55℃, and the adjustable temperature range is 40 to 55℃, you can adjust it to your needs. 3、PORTABLE: The hand warmer is designed to be foldable, making it easy to carry during winter camping or other activities. It is also suitable for people who are afraid of the cold and no longer need to worry about winter. 4、SHORT PLUSH: This heated hand warmer is made of short plush fabric, which feels good, warm and breathable, skin-friendly and comfortable, and it has a good heating effect. 5、ZIPPER DESIGN: This hand warmer bag features a zipper design, and you can store the battery in the pocket, which can be carried around, it is easy to use. Item Type: Heated Hand Warmer Bag Product Material: Short Plush Fabric Temperature: 40-55 ℃ Product Features: 3-gear temperature adjustable, intelligent temperature control Heating Area: Central Heating Voltage: 5V Power Supply: Power bank (not included) Weight: 150g / 5.3 oz (approximately) 1 x Hand Warmer Bag Your satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will provide you with the best solution!