Mini USB Cmputer Vacuum Cleaner for promotional 1.Convenient for use and clean 2.Small order is acceptable Mini USB Cmputer Vacuum Cleaner for promotional ... for desktop and notebook 2.supply power via USB interface, without others;3.can effectively clear dust in the computer keyboard ... laptop bag, sport caps, sport towel, beach towel, umbrella, PU stress toy, USB flash driver, mini speaker, USB hub and ...