Sun protection hat with fan sun visor hats with usb fan comprehensive protection from direct sun comes with usb cable for daily use or holidays material polyester fibre and plastic size : adjustable usb charging feature :this summer hat features a usb charging port, allowing for convenient charging wherever you go. it's perfect for outdoor use and ensures you remain cool and comfortable at all times. large brim design :the large brim design of this sunshade hat provides excellent protection against the harsh summer sun, making it an ideal choice for parents and children. breathable material :made with breathable material, this hat ensures excellent air circulation, keeping you cool and comfortable even in the hottest summer days. summer usb charging fan hat unisex outdoor sun protection cap breathable glacier cap for men women.