Question about Logitech R500s Graphite

Can the original USB plug be reordered somewhere (has been lost)? In our company it has to be as easy as possible for seminar guests (plug it in and it works). PhoebusRyan has answered Mel_baechi's question in general, but I ask the question again for the same reason (seminar guests/speakers don't want to spend a lot of time connecting devices via Bluetooth).