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 neck and carry it around without feeling tired or uncomfortable. Dual Power Fan Sun Hat: Built-in two 800 mAh battery solar fans, can be charged via outdoor solar or USB in two ways. Three wind speeds; charging time is 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 UV rays and keep you cool and comfortable. COMFORTABLE AND BREATHABLE: Features effective moisture wicking. The hat includes a moisture-wicking sweatband and a mesh layer to enhance airflow and breathability. WIDE APPLICATIONS: Suitable for outdoor activities such as golfing, hiking, running, biking, farming, fishing, shopping, and beach outings. Name: Wide Edge Solar Fan Outdoor Fishing Hat Brim size: 12 cm / 4.72 inches Cap circumference: 5660 cm / 22.0523.62 inches Cap depth: 10 cm / 3.94 inches Power supply: USB charging / solar charging Battery: 800 mAh Color: Dark Gray Material: 81%95% Nylon + Plastic Package Contents: 1 x Sunshade Hat 2 x Solar Powered Fans Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the real thing. Measurement allows an error of +/- 13 cm.