Heated Scarf- It needs to be CONNECTED to the power bank when using it.it supports hand washable then let it dry naturally. Does not support machine washable. Please take out the portable power bank and install the silicone waterproof cover to the USB cable before washing. Rechargeable- Heated scarf rechargeable, Please fully CHARGE the power bank before use.it has 3 adjustable temperatures. When the color of the button changes to red, blue and green in turn, it will provide the temperature of 60/55/40. Overheat Protection- Heated scarfs for women rechargeable, far-infrared heated system has overheat protection function. After using it for more than 45 minutes, it will automatically turn off the heat supply and provide a comfortable constant temperature for the neck. Quality Material- Electric Scarf, the size of the scarf is 31.5x4.3 inches. It is made of highly breathable polyester fiber fabric, lightweight and soft cotton, which will make you feel comfortable and warm. Best Gift for Men Women- Heated scarf for men, it is the best and stylish gift for your friends and family. Before buying, please confirm whether the size of the product meets expectations. If you have any problems during the shopping process, you can always contact our cusfomer service staff, we will reply within 24 hours. " Description: Heated scarf, It needs to be Connected to the power bank when using it.it supports hand washable then let it dry naturally. Does not support machine washable. Please take out the portable power bank and install the silicone waterproof cover to the USB cable before washing. Heated scarf rechargeable, Please fully CHARGE the power bank before use.it has 3 temperatures. When the color of the button changes to red, blue green in turn, it will provide the temperature of 60/55/45. Heated scarfs for women rechargeable, far-infrared heated system has overheat protection function. After using it for more than 120 minutes, it will automatically turn off the heat supply and provide a comfortable constant temperature for the neck. Electric Scarf, the size of the scarf is 31.5x3.9 inches. It is made of highly breathable polyester fiber fabric, lightweight and soft cotton, which will make you feel comfortable and warm. When your good friend comes, you can put it on your abdomen to warm it Material: Coral Fleece Package Included: 1xscarf