Operation..

Plug-in:Simply connect the vacuum cleaner to the USB port of your 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, Slide the switch second level to turn on the vacuum cleaner. Press the “High Power button” to increase the suction of power, for vacuuming heavier dirt & dust Use the keyboard attachment rubber to vacuum the dust and other particles trapped underneath the keyboard keys, by sliding the squeezable tube between keys and then, turn the vacuum on. Use the Brush & Suction Tube attachment for general clearing of air vents, monitor & computer areas, or dust on desk top. Requires no external power source. It plugs into USB port.