🌞🧢 Breathable Sun Hat Baseball Cap with Built-in Solar Cooling Fan Color:White fluorescent agent testing

fluorescent agent testing

simple shape and comfortable leather feel

enough for night lighting

Mirror: Glass

🌞🧢 Breathable Sun Hat Baseball Cap with Built-in Solar Cooling Fan Color:White fluorescent agent testingFEATURES DUAL POWER OPTIONS: Enjoy continuous cooling with flexible charging solutions. The high efficiency monocrystalline solar panel (5V 80mA) powers the fan automatically in direct sunlight simply wear it outdoors to activate. When indoors or in low light conditions, the built in 1000mAh battery provides reliable backup power. Easily switch between power sources with a long press of the control button. 360 ADJUSTABLE FAN: Direct airflow precisely