1. Small But Powerful: Although it is small but the wind is powerful. It has streamlined fan blades to reduce noise, reduce wind resistance and increase air supply area. for home, car, office, desktop, camping or travel. 2. Adjustable & Easy to Clean:Small, light and convenient personal fan with adjustable valve body, the wind direction can be changed as required. Can circulate indoor air and balance room temperature. The rotating fan cover extends the distance of the draft shield. Detachable design, rotate counterclockwise to remove the mesh cover, easy to clean. 3. Of Speed Control : Unlike the traditional wind speed adjustment button, this fan adjusts the wind speed through a adjustable knob. The wind speed changes smoothly with the rotation of the button. You can choose the most comfortable speed according to your needs. 4. High Compatibility USB Power: fan is powered by USB and is compatible with PC / laptop, mobile power, AC adapter, car charger and other USB supported power. USB fans save energy and protect the environment.