Features: PMW3325 high precision optical engine, the maximum acceleration is 100 inch/s. OMRON 20 million micro motion, professional game switch, ultra long service life. RGB game backlight, 7 keys macro programming, one key to trigger a variety of functions. Game anti-skid wheel provides you with a good tactile feedback. Intelligent connectivity, no need code, plug and play. Ergonomic design fits your palm to the maximum extent.