If you are in need of a new mouse for gaming on your pc or perhaps something more accurate than the integrated laptop or notebook mouse for gaming the optical mouse does not need a mouse mat to work and unlike a ball mouse an optical does not become clogged with dirt which will affect the responsiveness this makes the mouse great for use on the go the hama urage evo gaming mouse is the ideal solution it is a 6 button mouse including a scroll wheel with key function and has an integrated 2400 dp