Built in high efficiency solar panel charging automatically in sunlight, powering adjustable fan and a mesh design for better cooling Designed for anglers, campers, and outdoor enthusiasts seeking sun protections and cooling during hot weather adventures Stay protected and cool with our Solar Powered Sun Hat with built in ventilation fan, wide brimmed hat for outdoor comfort Ideal for fishing trip, gardening, beach outings, or hiking where portable shade and ventilation are essential Improve your outdoor gears with this sun hat that merges traditional styles with modern solar technology for comfort