Features:

1.Simply connect the Vacuum to the USB port of your laptop or Computer.

2.Two Vacuum cleaning attachments included-one bristle brush attachment and one  flexible rubber,computer keyboard tool attachment.

3.Two switch levels-slide the switch to the first level to furn on the LED  light,slide the switch to the second level to turn on the vacuum cleaner.

4.Press the "High Power"button to increase suction power,for vacuuming heavier  dirt and dust.

5.Use the keyboard attachment rubber to vacuum the dust and other particles  trapped underneath the keyboard keys.

6.Use the brush & suction tube attachment for general cleaning of air  vents(Fan),Monitor and computer areas,or dust on your desktop.

7.Requires no external power source ,plugs straight into any USB port.