Instructions for use 1. directly into the USB interface does not require additional power.
2. There are 2 nozzle, large volume they can extract larger debris. Another is by brush and two small suction inlet, easy to clean the side brushes suction of dust in the keyboard .
3. equipped with LED light lights in order to draw hard to see dust.
4. If you found it difficult to clear into the dirt, powerup options are also provided on the fuselage, press and hold the button,You can increase the speed.