Description: This desktop tower fan doesn't have any vane, which makes it more space saving. The tower fan is designed with two wind speed modes, high and low, can meet your different needs. It is powered by USB, which allows you to use a USB port on computer to power it. It wont' make much noise while running, which makes it not easy to disturb others. It is compact and ligtweight, portable, suitable for travel, camping, hiking, working, etc. to use. Specification: Material: Plastic. Color: White, black. Size: 330x60mm. Input: DC 5V, 0.5A. Power: 2.5W. Note There might be a bit color distortions due to different computer resolutions. There might be a slight errors due to different hand measurement. Package included: 1x Fan. 1x USB cable.