I went wireless on everything 5 or so years ago, now I'm back to being completely wired. There was just always a dead battery somewhere. Plus, wires really don't bother me like they do some people. Mouse wires drive some folks absolutely crazy, but I rarely notice mine. I would definitely notice if the battery died. The only kind of wireless thing I have are my Edifer speakers, but they are plugged into the wall, just not plugged into my PC.