Features: Use solar power with this cooling fan hat, rechargeable batteries and reducing environmental impacts while delivering cooling for various occasion. Use selected chinlon, this cooling fan hat features strong power fan and low noise operations for comfortable wear. Great for outdoor enthusiasts, frequent travelers, and families searching climate control during adventures or daily use. Perfect for camping, backyard gatherings, or workspaces, providing instantly relief from heat with renewable energy efficiency. Combines solar charging convenience with portability, featuring a foldable design that stores effortlessly in backpacks for on the go comfort. Specifications: Component: Chinlon Product Size: Approx. brims diameter 90cm/35.43inch, height 47cm/18.5inch Type: 13 optional type as pictures shown Input: 5V2W Output: 4V1W Package Includes: 1PC Hat 1PC USB Charging Cable note: Please allow 0-1cm error due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color the item.