[Solar & USB Charging Capabilities]This highly efficient Amiluo solar powered camping fan charges using sunlight within just 8 hours, thanks to the in-built high-efficiency solar panel. Perfect for outdoor travel, camping trips, power outages, and . Additionally, it offers 5V2A USB charging flexibility for enhanced convenience. [High Capacity Battery & Emergency Power Bank]Featuring a 5200mAh rechargeable battery, this portable fan offers 6-18 hours of cooling experience without any need for an electrical outlet, acting as a power-saving device. Furthermore, it also serves as an emergency power bank for your phone and other gadgets, proving to be a valuable camping gear. [Superior Wind Power & Noise-reduction]Featuring a uniquely designed brushless dual motor and ultra-thin fan blades, this solar powered personal fan offers 4 speeds of powerful wind up to an increased airflow of 85% while ensuring low noise output ≤28db to uninterrupted sleep. Thus, making it an Perfect choice for