User Guide:
. Simply plug into any USB port on notebook or computer to create a gentle refreshing breeze
. Perfect for stuffy office or in airplane
. Plug and play, no external power supply is needed
. Power supply DC 5 V direct from the USB port
. Keep fanning until you unplug the USB fan or turn off the laptop/PC
. Power saving design: low power consumption
. Compatible with USB 1.0 and USB 2.0
. Durable soft fan blades makes you free of injury
. Gently adjust the flexible neck of USB fan to position the breeze any way you wish