Unless the mouse is pretty new you should go ahead and get one o thoes too. USB devices that get handled a lot can short out over time and a short on the USB buss can fry a motherboard
Just put new batteries in the KB!! 
Just put new batteries in the KB!!
Seems someone had spilled something on the keyboard, an tried to hide their deed till I turned it up on its side. So now I have a new one along with a wireless mouse.
As an IT technician this is bulk of my problems. Haha.
At least they didn't break the retractable cup holder.
