This pink cartoon hand warmer is not only cute and portable, but also fast-heating, with a large capacity battery that doubles as a power bank. It can be charged via USB and offers automatic protection against overcharging and over-discharging. It is an excellent gift for winter sports enthusiasts, travelers, students, and anyone who wants to stay warm and charged on-the-go. With its versatility in application, it is great for skiing, hunting, fishing, hiking, camping, and biking, as well as at home or work. Stay toasty and connected all winter long with this must-have gadget. Features: 1. Fast Heating: This rechargeable hand warmer heats up quickly in a few seconds, to meet your different needs. 2. Use As A Power Bank: Hand warmer built-in large capacity battery, which can fully charge mainstream digital devices on the market. 3. USB Interface Design: Can be charged via your PC, power bank, or car charger, with automatic power off when overcharged protection, over discharge protection, it is safe to use. 4. Thoughtful Gift: Adorable hand warmer 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. 5. Wide Application: Great for outdoors, winter sports, skiing, at home, gift-giving, travel, work, hunting, sports, fishing, hiking, camping, and biking. Specification: Material: Plastic Product Color: Pink, White, Blue Product Size: 9 x 8 x 3cm Product Weight: 100g Package Included: 1 x Hand Warmer Power Bank