Easy power: This scarf and hat set is USB-powered with a DC 5V input voltage, providing hassle-free warmth for any occasion. One size fits all: You can enjoy the perfect fit with a design of this set tailored to suit everyone. Colourful comfort: You can choose from black, grey, or navy blue in this unisex USB Electric Heated Scarf and Hat Set, your perfect companion for the winter! Stylish versatility: You can stay cosy and fashionable in this convenient set designed for ultimate comfort. Usb Electric Heated Scarf And Hat Set | Living Social | Living Social