20 MMO-tuned buttons: Includes unique 12-button thumb panel designed for quick, no-look navigation. The low-friction polytetrafluoroethylene feet eliminate friction on nearly any surface for smoother motions, precise cursor movements and improved accuracy G-shift ring-finger button: Instantly double the number of actions you can perform with every button Built for comfort: Sculpted shape and tuned buttons reduce click fatigue during marathon multiplayer sessions. G8-cycle modes Total personalization: Set it up your way with customizable thumb panel lighting colors, DPI levels or button assignments Made for PC gaming: Compatible with Windows Vista, Windows 7 and Windows 8 With 20 buttons, the Logitech G600 MMO Gaming Mouse is the most customizable and easy-to-use mouse specifically designed for mastering your favorite MMOs
March 2014 Update- After about 1.5 years I'm having the double click issue. I did a manual repair (bending the spring back) that worked for a few months; but now it is back.- I've enjoyed this mouse enough, and there is nothing new in the space, so I'll be picking up a second to replace it.So I have the Razer Naga Epic Gaming Mouse and now this Logitech G600 MMO Gaming Mouse, Black (910-002864). How do they compare?Short version, they are equal mice.- Pick the Na..