Labtec Wheel Mouse With Light

This mouse isnt what I expected. I first thought it was an optical mouse. This is like a regular mouse. It has a ball and it has to be cleaned constantly. I bought this mouse about a year ago and its starting to give problems. If you want a mouse with...

From the description, I thought this was an optical mouse. Under the mouse's "Features", it states "Durable optical technology provides smooth precision and resists dirt, eliminating the need for cleaning" However, this mouse has a track-ball inside...