Buttons: 6 buttons with scroll wheel.
Tracking systems: Optical.
The Max DPI: 3200DPI（MMR2 white/black + MMR4 white/black）.
Ultra-precise Scroll Wheel.
Optical technology works on most surfaces.
Ergonomically designed, long-term use without fatigue.
Intelligent connectivity, no need to code, plug & play.
Feel comfortable, mobile and stability.
Switch Life: 50 million times.
Use for: The high-end players, gaming professional players.