Designed specifically for the most demanding levels of FPS gameplay with unreal 100 million crispy clicks Prestige Optical Magnetic Switches harness the power of light for response times and last 5x longer than the competition TrueMove Air precision optical gaming sensor with advanced true 1-to-1 tracking Quantum 2.0 Wireless transmits wireless data at unreal speeds more reliably than ever before Long-lasting high-performance battery with fast-charging for over 100 hours of gameplay on a single charge