Simple connect the Vacuum to the USB port of your laptop or PC computer. Use the brush and suction tube attachment for general cleaning of air fans, monitor and computer area, or dust on desktop. Two Vacuum cleaning attachments included - one bristle brush and another flexible rubber. It is a great cleaner for computer keyboard, printer, camera equipment, audio-visual equipment, mobile phones, cars and office electronic equipment. You could press the side button to increase suction power for vacuum heavier dirt and dust.