Usb Heating Scarf Unisex Heating Scarf Intelligent Control Three-speed Heating ScarfIntelligent temperature control heating, there are three temperature options, constant temperature wrapping, the temperature spreads from the neck to the whole body. The surface of the scarf is a comfortable suede, which is very safe and comfortable. It is necessary in cold winter.USB power supply: connect the scarf to a power bank to keep warm at any time, or connect it to a common USB point for convenient useIncluded items: external scarf, 2 heaters (low/high temperature), USB extension cable, two years;Material: surface-polyester fiber 70% rayon 30%, lining-cotton 100%Wide range of applications: outdoor sports, hiking, camping, office, home, etc.