But good material support GNU / Linux incomplete

But apparently Logitech has little to do other than Windows OS users.
Indeed, my laptop runs on GNU / Linux (Ubuntu 10.04) and, if the connection is immediate, all the buttons are not functional.
Parentheses key commands and much more troublesome, the = key too, which makes me frequently spend N305 keyboard of my laptop.

Good surprise by cons, special keys to launch the calculator and switch between open applications are fully functional. Obviously, the key to launch Excel is useless ...

Conclusion: great device if you are using Windows, if cautious.
User Logitech devices for over 15 years, I am a little disappointed, however, without being disgusted with the brand ...