User Guide:
1.simply plug into any usb port on Notebook or pc to create a gentle refreshing breeze.
2.perfect for stuffy office or in airplane.
3.plug and play:no external power supply is needed
4.power supply DC 5V direct from the USB port.
5.Keep fanning until you unplug the USB FAN or turn off the Notebook or pc.
6.power saving design:low power consumption.
7.compatible with USB1.0 and USB2.0
8.Durable soft fan blades make you free of iniury.
9.Gently adjust the flexible neck of USB FAN to position the+ breeze anyway you wish.