USB Mini Vacuum Keyboard Cleaner Cleaning Brush Dust Wiper Set kit for PC Laptop Black Use the brush and suction tube attachment for general cleaning of air fans, monitor and other computer area, or dust on your desktop. Two Vacuum cleaning attachments included - one bristle brush and one suction tube . Use the keyboard attachment to vacuum the dust and other particles trapped underneath the keyboard keys. Simple connect the Vacuum to the USB port of your laptop or PC computer. No need external power source, just plugs straight into any USB port. 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