The 7-step Pro Optic (R2) sensor of this ROCCAT Lua ROC-11-310 optical mouse makes it easy to customize the precision to accommodate your gaming needs. Three buttons and a 2D scroll wheel simplify control for enhanced gameplay.
I love this mouse it is cheap but very useful I had a mouse that was breaking because I used it alot.i saw this mouse and it looked way better than my old mouse and cheaper.so I decided to get it to try it out.i love it!!!