This USB mini fan with elegant and compact design features an adjustable wind direction , controled by on/off switch. Also, it is very easy to use, just directly plug the usb fab into usb port of your laptop or PC. And it needs no external power supply, just easily turn on your laptop or pc to power your usb fan. The most important is that the ON/OFF switch design of usb fan remains fan rotation until your laptop or pc is turn off. It can keep you cool in hot summer days and you can enjoy the breeze when you are studying or working in the office. Additionally, it is a nice gift to send and receive in the summer days.

Specification:
* Compatible with any notebook or PC
* Convert a USB port on your desktop PC or notebook into a source of cool air
* Brings you fresh and cool air
* Easily plug into the USB port on notebook or PC
* USB power, no battery required