[Unique Design] Mini portable USB powered wireless bladeless fan, with 3 adjustable speed level: low. medium, and high. Easy for you to relax in hot summer. [Powerful and Soft Breeze] It is aerodynamically made, so it can absorb wind from all 360 degrees. It& 39;s a cool, dust-free wind that doesn& 39;t make people feel uncomfortable. [Application] Safe and easy to use. Mini portable USB powered wireless bladeless fan, dismiss the trouble of dust and cleanliness from the fan blades, and don& 39;t worry about accidental cuts. Great for children or students at home or school, or workers in office. [Minimize Noise] It is up to 80dBA, due to bladeless fan technology. Don& 39;t worry about too much noise affecting your work or others& 39;work. [Guarantee] Please do feel free to contact with us, and we are always happy to help you.