"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\s a cool, dust-free wind that doesn\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\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\t worry about too much noise affecting your work or others\work.^Guarantee Please do feel free to contact with us, and we are always happy to help you.^ "