Our keyboard vacuum cleaner can be plugged straight into USB port without requiring external power source.
Our computer vacuum cleaner is able to suck small things like Cigarette ash, Dust, Hair, Food- crumbs, Eraser Residue, Small particle, but not water, please make sure small things is not bigger than the suction nozzle
Just open the vacuum cleaner and take the sponge net out, then wash it with water, after the sponge net get dry, then you could use it.
This portable handheld USB vacuum cleaner is small size, could be used for computer, desktop and PC.
Powerful suction can more quickly suck out the garbage hidden in the keyboard.
