Simply connect the vacuum to the USB port of your laptop or computer or 5V handphone charger. You can then start cleaning the dust effectively. It comes with LED light. Also useful to be used to clean your digital camera, monitor, etc. Features: Powered directly from any USB port, connect to USB port at PC/laptop This Mini Vacuum Cleaner is suitable to clean Computer keyboard, Computer screen, mobile phone and etc... Built-in LED Light for extra visibility Come with Brush and Tip head for exchange Color : Green How to Use? Simply connect the vacuum to the USB port of your laptop or computer. Two vacuum cleaning attachments included one bristle brush attachment and one flexible tip, computer keyboard tool attachment. 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 LED light, slide the switch to the second level to turn on the vacuum cleaner. Press the High Power button to increase suction power. For vacuuming heavier dirt and 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. Use the brush & suction tube attachment for general cleaning of air vents (Fan). Monitor and computer areas, or dust youre desktop. Requires no external power source, plugs straight into any USB port. Package Content: 1 x USB powered computer mini vacuum cleaner (Note : Photo attached is for reference only, it may be slightly varied in items of colour, shape from the actual item delivered from time to time)