Features: 1. 2-Speed Temperature: Red Light: Low temperature 50, Gradient Colorful Light: High temperature, press the on/off key to change. 2. Portable: Cute bees shape hand warmers that are small and delicate enough to be held in one hand or carried in a travel bag or pocket. 3. 3s Fast Heating: This rechargeable hand warmer heats up quickly in 3 second, Type C 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: Yellow, Blue, Pink Product Size: 5 x 8.5 x 7cm Product Weight: 137g Package Included: 1 x USB Hand Warmer (1 x Type C Cable + 1 x Silicone Lanyard)Products from KJ's store