Effective Sun Protection and Comfortable Material: our solar cooling hat is designed with 2 fans on both sides of the hat, and the adjustable drawstring makes it more convenient for you to wear; The hat with fan is mainly made of nylon, which is soft and breathable, easy to absorb sweat and dissipate heat, and will not add too much weight to you, which can bring you a comfortable use experience; This hat is suitable for most people and is an ideal choice for effective sun protection 2 Charging Methods: the fan of our solar fan hat comes with the USB port, so you just need to wait about 2 hours to fully charge it, and it can be applied for 8-16 hours; You can also choose solar panels to charge, which is more convenient to use, ideal for saving more time Comfortable Material: hat with fan is mainly made of nylon, soft and breathable, easy to absorb sweat and dissipate heat, without adding too much weight for you, which can bring you a comfortable using experience Considerate Design: the fan of the solar hat is designed with 3 PVC soft fan blades and fan protection cover, with large air volume, which can ensure your safety and adjust the wind direction freely, so that you can also maintain cool in summer; Please be careful not to touch the fan with your hands when running Warm Tips: since the hat has a circle of steel rings, if the goods are deformed upon receipt, you can press it manually to restore it; The fan is composed of 7 soft PVC fan blades and is equipped with a fan protective cover; Please do not put your fingers into the fan to avoid unnecessary harm to you Features: Our solar panel hat with fan is easy to match your daily clothes and outfits, and bringing you a nice mood. Solar hats for men with fan are sufficient to meet your daily needs, you can also share them with your friends and families, they will feel your love and care. Specifications: Material: mainly nylon and PVC Color: as shown in pictures Size: as shown in pictures Package includes: 1 x Hat with fan Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays.