1. Professional Technology: With our USB Hand Warmer's advanced graphene technology, enjoy perfect heat conductivity as well as quick and even heat distribution, providing long-lasting and comfortable warmth for all your needs 2. Adjustable heating: Meet different needs with adjustable heating, featuring a digital display for precise temperature control, ensuring safety by avoiding the risk of overheating 3. Enhanced Performance: Enjoy longer-lasting and uninterrupted warmth with USB Hand Warmer's high-capacity battery. Its convenient USB charging capability makes it easy to charge on your computer, car, or mobile power bank 4. Easy to carry: Put in a bag or pocket anytime, anywhere, this portable design USB hand warmer is perfect for on-the-go use, ensuring warmth with its foldable design 5. Widely used: Double-sided heating ensures even heating of hands, making it suitable for desks or outdoor activities, providing consistent warmth in various environments Colour:Creamy-White Material:Graphene + fiber cotton + plush Size:40x1x24cm Package Contents: 1 * Heated Hand Warmer 1 * English instruction manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.