I have the mouse for almost 2 or 3 years, I do not remember a long time ago. So far, I have to say the mouse is the hottest gaming mouse with the I jeh gezogt. Aside from a few scratches I have to go into debt and that from and was taken to a double instead of a simple so from a performance point still just as on the first day. The 2 programmable macro keys are for me perfectly adequate (as opposed to the Naga "only" 14 macro keys has) if you need more than 2 unbedint Extra keys you should not buy them, because they stop only 2 has. I am fully satisfied with the thing ^^ and she'd no case exchange