Type:Electric Heating Scarf Material:Cotton;Cloth Color:Grey/Red/White/Pink/Blue/Green Size:84x10cm(33.07x3.94in) Rated voltage: 5V Rated power: 4W Power Supplies:USB Plug-in Single control: 1 key and 3 gear temperature regulation Package includes:1Pc Electric Heating Scarf(Not Inclound Battery) Feature: 1.Three gear temperature control: With temperature regulating switch, it can be adjusted according to different weather temperatures; Long press the switch button on the scarf for 3 seconds to start the machine until the red light is on; Similarly, press and hold until it is off to turn it off; Short press the key of the scarf to adjust the temperature. 2.Easy to use: 5V 2A power can be directly plugged into scarves and other clothes for heating, such as computers, power adapters or power bank (not included). 3.Skin friendly and comfort: Selected comfortable fabrics, high-quality mink fleece, delicate feel, warm and breathable, skin friendly comfort. Very fashionable. It is waterproof to a certain extent, evenly heated, and can be washed, but do not soak in water for a long time (stick the cloth together, and long-term immersion will affect the adhesion). 4.Not afraid of washing: It can be washed directly, which is cleaner and easier. No need to disassemble, just like normal scarves, it can be easily cleaned by adding clean water. 5.Light and portable: It is convenient to carry in winter camping or other activities. It also applies to people who are afraid of cold, so that they no longer worry about winter. Note: 1.Due to the different display settings, the real product may have a little color error 2.The size is manually measured, there is a slight error, please understand