Stay warm and cozy this winter with our fast heating hand warmer. Compact and portable, it can also be used as a power bank to charge your devices. With a USB interface, it is easy to charge. Perfect as a thoughtful gift for loved ones. Suitable for outdoor activities and travel. Made of durable plastic. Available in pink and green. Size: 10 x 6 x 6cm. Weight: 100g. Features: 1. Fast Heating: This 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, Green Product Size: 10 x 6 x 6cm Product Weight: 100g Package Included: 1 x Hand Warmer Power Bank