Already own a Cyborg RAT 9, I recently had the desire to change and go back to a wired mouse because the battery regular change began to use me. Joy of returning to simplicity! Ultra-simple (one branch and presto, it works), ultra-light, ultra-simple, this Mobility Lab Mouse seemed perfect. But soon I realize many undesirable alterations regarding cursor movement when I move the mouse. Analysis made, it appears that the laser is not very compatible with the slightly shiny mouse pad I use. Yet the TAR, also laser, had never presented such a problem. It is rather a pity, I was willing to change but not necessarily mouse mouse pad ...