Dekcell USB Powered Mini Vacuum Cleaner/Hoover 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 Vacuum cleaning attachments included - one bristle brush and another flexible rubber Press the High-Power button to increase suction power, for vacuuming heavier dirt and dust Use keyboard attachment rubber to vacuum the dust & other particles trapped underneath the keyboard keys, by sliding the squeezable tube between keys. Use the brush and suction tube attachment for general cleaning of air fans, monitor and computer area, or dust on you desktop.