That looks great, thanks. Just for info: if needed only for pairing dongles there is an even more lightweight approach https://lekensteyn.nl/logitech-unifying.h

That looks great, thanks. Just for info: if needed only for pairing dongles there is an even more lightweight approach https://lekensteyn.nl/logitech-unifying.html https://lekensteyn.nl/logitech-unifying.html