Simply connect the Vacuum to USB port of your laptop or computer
No external power required, plugs straight into any USB port
Two vacuum cleaning attachments - one bristle brush attachment and one flexible rubber, computer keyboard tool attachment
Two switch levels - slide the switch to the first level to turn on the LED light, slide the switch to the second level to turn on the vacuum cleaner
Press "high power " button to increase suction power for vacuuming heavier dirt and dust
Use the keyboard attachment rubber to vacuum the dust ad other particles trapped underneath the keyboard keys, by sliding the squeezable tube between keys
Use the brush & suction tube attachment for general cleaning of air vents (fan), Monitor and computer areas, or dust on your desktop
Note: Do not immerse in water and do not use to vacuum water. Unplug from USB port when unit is not in use.