RAZER VIPERnnThe Razer Viper includes a high-precision, 16K DPI optical sensor for a no-compromise package befitting the most serious gamers without the need for drilling holes in the chassis like competitor micenNew Razer optical mouse switches uses light beam-based actuation, registering button presses at the speed of light for complete immersion and absolute controlnAmbidextrous Design: Created for left and right-handed users with accessible, programmable buttons on both sidesnCustomizable Chroma RGB Color Profiles: Includes 16.8 million color combinations w/ included preset profilesn8 Programmable Buttons: Allows for reconfiguration and assignment of complex macro functions through Razer Synapse 3nDrag-Free Cord for Wireless-Like Performance: Razer Speedflex cables eliminate the need for mouse bungees, drastically reducing weight and drag for absolute control