Newly designed computer vacuum cleaner, convenient for carrying to anywhere you want, lightweight and environmental USB power: low power consumption, USB computer keyboard vacuum cleaner can be plugged straight into USB port without requiring an external power source You just have to press the button, it does work, because it needs time to active Strong suction: it has enough power to suck small things, such as cigarette ash, dust, hair, food crumbs, eraser residue, small screw, wastepaper, but no water Multi-purpose: it can be cleaned hidden dirty of laptop printer, camera equipment, audio-visual equipment, office, kitchen table, cabinet, car, bed, cosmetic bag and pet hair, etc. Open the dust pot and take the filter mesh out, then wash it with clean water, you can continue to use it after it is dry You can also attach a small tissue to