Easy to clean, the dust collector is easy to clean, just open the dust collector, take out the filter screen, clean with water, can be reused. It is great for the keyboards, printer, camera equipment, audio-visual equipment and office electronic equipment. quality plastic and electronic component materials, light weight, easy to carry. The mini size is easy to clean the dirt at the corner of the keyboards. This keyboards vacuum cleaner can be plugged straight into USB port without requiring external power source.