Features:180 foldable fan, small size and big wind power. Thin and light design, takes up little space. It provides comfortable air circulation in the space you are in by moving all the air around you. It's perfect for home, car, office, outdoors or travel.Small But PowerfulSmall portable fan is compact and designed in unique modern look, desk fan weighs only 216g and the size is 135*35*164mm.It's lightweight and space-saving . Although it is small but the wind is powerful. It has 5 streamlined fan blades to reduce noise, reduce wind resistance and increase air supply area. Ideal for home, car, office, desktop, camping or travel.Whisper Quiet OperationsThe desktop fan has a built-in brushless motor, which reduces noise in all directions, making the wind softer and quieter.And Noise below 40db.15Hours work time & power bank featuresPlenty of "core" energy Super endurance 15h5.5 hours of Type-C fast charge, 4500mAh battery fora whole day of cool and battery life.One Button Simple Control4th gear working speed1st gear: 1800r/min, Lake breeze2nd gear: 2200r/min, Forest Gentle wind3rd gear: 2750r/min, Mountain stream strong wind4th gear : 1880-2100r/min, Natural wind.