Features: 1. 2-Speed Temperature: Green Light: Low temperature 45-50, Colorful Light: High temperature 55-60, press the on/off key to change. 2. Portable: Cute hand warmers that are small and delicate enough to be held in one hand or carried in a travel bag or pocket. 3. 6s Fast Heating: This rechargeable hand warmer heats up quickly in 6 second, USB interface design, and can be charged via your PC, power bank, or car charger, with overheating 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: ABS Product Color: White, Light Brown, Pink Product Size: 95 x 80 x 62mm Product Weight: 99g Power: 5W Power Supply: DC5V / USB 2-Speed Temperature: Low Temperature: 45-50, High Temperature: 55-60 Package Included: 1 x Hand Warmer 1 x Data CableProducts from KJ's store