Desk Fan Mini USB Fan Office 2 Speed 5 Inch Quiet Operation (Black) The size of the mini desk fan: 18*10.5*16cm/7.0*4.1*6.3 (L*W*H).Its small and doesn't take up much room, a nice choice for home and office desk Powered by USB cable to connect with your computer, DC 5V power adapter, solar panel or power bank Adjustable fan with 2-speed controlled by On/Off switch, can be turned up and down 360 degree just rotates the angle to it whichever way you want Unique and attraction design, encryption net cover on the front are small to prevent children from getting their fingers in it easily Practically silent, and super quite operation allows for incomparable comfort. Brings lots of wind and fresh air to keep you cool and relaxed