SOLAR FAN OUTDOOR HAT: This upgraded fan hat is designed to be worn on the head, freeing your hands. There are 2 mini fans built into the front of the brim to cool your face. You can hang the fan on your head and carry it around without getting tired or uncomfortable. 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 hours, high speed lasts 8 hours, medium speed lasts 16 hours. EFFECTIVE SUN PROTECTION: Our solar cooling hat is designed with fans on both sides of the hat, made of comfortable and breathable material, which can effectively block harmful rays and keep your head cool and breathable. COMFORTABLE AND BREATHABLE: Ensure effective moisture wicking. The waterproof surface is complemented by a moisture wicking sweatband. It is topped with a mesh layer to keep your head cool and breathable. WIDE APPLICATIONS: Suitable for outdoor sports such as golfing, hiking, running, biking, farming, fishing, shopping, beach play. Name:wide edge solar fan outdoor fishing hat Brim size:12cm/4.72 inches Cap circumference:56-60cm/22.05-23.62 inches Cap depth:10cm/83.94 inches Power supply:usb charging/solar charging Battery:800 mAh Colour:A:Dark Gray Material:Nylon 81%-95%+Plastic Package Contents: 1 * Sunshade hat 2 * Solar powered fan Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.