Agreed, keyboard and buttons don't really go well together. MouseButtons on the other hand would work.
In its favour are that its only 2 words, its a .com and has some development potential.
Negatives are, its a new reg, it doesn't really work as buttons is not really needed.
Development potential could be something like an online keyboard to stop giving away passwords to keylogger trojans, or downloadable software that does it. A tech blog. Or something computer related i.e. shop, tech blog or something similar.