Features: Carbon fiber heating material, good thermal conductivity, heat up quickly after being inserted into the usb port. The heater part are thicken and the heat dissipation are even. When working in the cold winter, hang the electric carpet on your shoulders to keep your body warm. Also as knee rest. Skin-friendly material, hand washable. Soft material, fluffy, flannel not easy to fall off, not easy to fade. Excellent abrasion resistance, easy to clean, easy to dry. Practical and convenient. You could cover your knees, wrap your waist, hang it on your shoulders, and use cushions, electric heating pads, etc. To heat it. USB heating shawl has low voltage and low power consumption, requiring DC5V, 4W. The voltage lower than 36V safe voltage and there are no danger of electric shock. Easy to use controller has 3-heat settings to maintain your own suitable comfort level. Specifications: Material: Flannel Size: Approx. 100x60cm/ 39.37x23.62in Color: Grey-color Package Includes: 1pc USB Heating Shawl note: 1. Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.