Loaded with 17 fully programmable buttons, ideal for performing frequent actions and executing complex macros in MMOs and MOBAs, Patented Key Slider control system lets you reposition the 12 side buttons to comfortably fit your grip. hardware macro playback: three predefined profiles include actions common for MMO gaming as well as General purpose keyboard shortcuts. Custom, gaming Grade 16000 DPI Optical sensor: ultra-accurate and high-speed tracking Engine. Surface calibration tuning Utility: optimizes sensor precision and responsiveness for your playing surface.