Lightest, Zero-Compromise Miniature Mouse: 10% Smaller Than the Viper and lighter at 61g, with a 8500 DPI optical sensor befitting the most serious gamers without the need for drilling holes in the chassis like competitor miceFaster Than Traditional Mechanical Switches: Razer optical mouse switches uses light beam-based actuation, registering button presses at the speed of light for absolute controlCustomizable Chroma RGB Color Profiles & Underglow: Includes 16.8 million color combinations w, included preset profiles6 Programmable Buttons: Allows for reconfiguration and assignment of complex macro functions through Razer Synapse 3Drag-Free Cord for Wireless-Like Performance: Razer Speedflex cables eliminate the need for mouse bungees, drastically reducing weight and drag