Feature: 1. Button design is very convenient and can be used as a shawl to be fixed on the shoulder. 2. Easy to use, you can connect any device with USB interface, such as PC, computer, mobile power, car, etc. 3. Made of high‑quality blended fabric, very soft and skin‑friendly, and it can be used by children. 4. Can be used as a small blanket and draped on the legs, which is very suitable for long‑term office work. 5. Multifunctional use, can be used as a shawl, knee pad, you can use it whenever you want. How to Use: The usb cable is in the blanket. When in use, open the zipper and connect to the power source to start heating. Specification: Item Type: Heating Blanket Material: Blended fabric Size: Approx.78 x 47cm / 30.7 x 18.5in Package List: 1 x Heating Blanket Note: Please allow 1‑2cm error due to manual measurement. Thanks for your understanding.