High-quality material: Made of high-quality high-grade skin-friendly materials, soft and comfortable, breathable and warm, need to be connected to a power bank (not included) through a USB cable for power supply. Three-level temperature control: three-level temperature adjustment, adjust to your comfortable temperature, the first level of red light is 60 degrees, the second level of blue light is 50 degrees, and the third level of green light is 40 degrees. Respond to different weather changes. Extra long size: scarf size 200cm*33cm/78.74*12.99 inches. It can be rolled up all over the neck, or hung on the body as accessories, or as a blanket to cover legs, hands and so on. Winter Gift: This scarf is very suitable for wedding, Christmas, winter gift and anniversary, Valentine's Day and other festivals to give to your loved ones, let them feel the warmth you bring to them. Easy to Clean: Can support the whole scarf for washing, it is very convenient to clean. Warm Tips: Take off the power bank before washing, and put the USB charging port into the scarf pocket, hand washing is recommended.