Features:1. three blades fan for top wind. USB powered,plug-in-use. 4-speed wind,adjusted in needs. eight meters long wind blowing distance. 360° manually up and down rotation. Brushless motor,stable and silent work. Detachable mesh,convenient for cleaning. Specifications:Input voltage: 5VInput current: 1 power: 4 weight: 620gProduct size: 229*195*290Package includes:1 x Mini desktop fan1 x USB cable1 x Manual