Simply connect the vacuum to the USB port of your laptop or computer * Two vacuum cleaning attachments included 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, * Press the "High Power" button to increase suction power, for vacuuming heavier dirt and dust * Use the keyboard attachment rubber to vacuum the dust trapped underneath the keyboard keys slide the squeezable tube between keys. * Slide the switch to the second level to turn on the light, slide the switch to the second level to turn on the vacuum cleaner