Features: 1. Portable: The hand warmer is lightweight and easy to carry, You can carry it like a shoulder bag, and the heating function makes your hands more warm and comfortable in winter. 2. 3-Speed Temperature: 37, 45, 55, press the on/off key to switch, to meet different heating demands. 3. USB Powered: The portable hand warmer is powered by USB and features a zippered pocket that can be used to hold a power bank (not included), you can take it when you go to travel, camping, hiking, and so on. 4. Soft Material & Machine Washable: Since the electric hand warmer is made of soft polyester fiber, it provides more comfort than others. Besides, it's easy to clean, just hand wash in cold water or machine wash in a laundry bag (not included). 5. Thoughtful Gift: Stylish and warm gift is a must-have for you and your lover in the upcoming cold winter, it is an excellent birthday gift or holiday gift for children, friends, or family. Specification: Material: Polyester Fiber Product Color: Yellow, Blue, Pink Product Size: 420 x 270mm Product Weight: 140g Battery: 500mAh Rated Power: 10W Power Input: 5V-2A Heating Temperature: 37, 45, 55 Optional: Silicone Press Key Type, Real-time Digital Display Type Package Included: 1 x Hand Warmer Pouch