True 7,200 dpi optical sensor –tracking at 220 inches per second for tournament-level accuracy and precision , Ambidextrous ergonomic design – built for comfort , 3 hype response buttons – individually programmable with tactile response and precise actuation , Up to 10 million keystroke durability – for hours of long-lasting, reliable gameplay Powered by razer chroma – choose from over 16.8 million color options or preset lighting effects to customize your mouse , Inter-device color synchronization – watch your razer chroma enabled devices light up in unison