Overview: Computer Mini Vacuum, Powered directly from any USB (Universal Serial Bus) port Clean Keyboard, Clean Mobile, Clean Car User's Guide Simply connect the vacuum to the USB (Universal Serial Bus) port of your laptop or computer Two vacuum cleaning attachments included-one bristle brush attachment & one flexible rubber, computer keyboard tool attachments 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. Press the " Turbo" button to increase suction power, to vacuum heavier dirt & dust. Use the keyboard attachment rubber to vacuum the dust & other particles trapped underneath the keyboard keys, by sliding the squeezable tube between keys. Use the brush amp; suction tube attachment for general cleaning of air vents (Fan), monitor & computer areas. Requires no external power source, plugs straightly into & the USB (Universal Serial Bus) port.CAUTION: Turbo button should not be pressed while the U-VAC motor is being switchedon to keep the voltage jump within USB (Universal Serial Bus) limits (500m A) during motor start up. Do not immerse in water & do not use to vacuum water. Unplug from USB (Universal Serial Bus) port when unit is not used. Specification: Weight Approx:110g Size Approx:20 x 10 x 3.8 cm__xml_end__