Main Features:â SOLAR FAN OUTDOOR HAT-Our Solar Fan Hat features a rear elastic drawstring, ensuring a snug fit for both men and women with head sizes ranging from 22.05" to 23.6". It's designed for lightweight, comfortable wear throughout your outdoor adventures.â¡ DUAL POWER FAN SUN HAT-Built-in two 800 mAh battery solar fans, can be outdoor solar charged and USB charged in two ways. Three wind speeds fill up 2-3 hours and working time above 7-9 hours (pure batter drive).⢠EFFECTIVE SUN PROTECTION-Our Solar Fan Hat is designed with fans on both sides of the hat, made of comfortable and breathable material, The solar fan delivers a powerful power supply using single crystal solar energy. Made of lightweight PVC material, it's comfortable to wear without feeling cumbersome. The built-in high-speed motor ensures stability and a quiet cooling effect.⣠COMFORTABLE AND BREATHABLE-100% polyester will ensure effective moisture wicking. A moisture-wicking sweatband complements the waterproof surface. It is topped with a mesh layer to keep your head cool and breathable. Featuring a 4.72-inch wide brim design, this summer hat offers superior and expansive protection for your face and neck, shielding you from harmful sun exposure.⤠WIDE APPLICATIONS-Suitable for outdoor sports such as golfing, hiking, running, biking, farming, fishing, shopping, and beach play.Fabric