SteelSeries Rival 310
SteelSeries Rival 310 is a great gaming mouse for FPS and MMO. It's very comfortable to use for extended periods and its wired connection ensures low click latency. It is sensitive enough for most people and its CPI can be adjusted by increments of 100. You can also install the SteelSeries software on both Windows and macOS to programmed two side of buttons. The size of the mouse is also very good and suitable for palm grip with any hand size.