Although the housing is made of plastic, it looks very high quality and makes not a bad figure next to the Mac Book. What's more important: the connection each time builds up quickly, even after changing means switch from Windows to Mac, what's important, if you have Windows running on eg Virtual Box.. By snooze the batteries 2x AAA rich very long. The keys are not big change for frequent users of number blocks, the field is just to use as classic keyboards. Another advantage is the calculator function, even if only in the basic arithmetic operations. When working in the banking program, it is very useful that you can also type in hyphens and slashes. I've been very pleasantly surprised to SMK Link several months and am of the versatility with simultaneous speed; without significant susceptibility.