Razer DeathAdder v2 Gaming Mouse 20K DPI Optical Sensor

Focus+ 20K DPI Optical Sensor: Offers on-the-fly sensitivity adjustment through dedicated DPI buttons (reprogrammable) for gaming, 3x Faster Than Traditional Mechanical Switches: New Razer optical mouse switches uses light beam-based actuation, registering button presses at the speed of light,Immersive, Customizable Chroma RGB Lighting: Supports 16. 8 million colors w/ included preset profiles; syncs with gameplay and Razer Chroma-enabled peripherals and Philips Hue products,8 Programmable Buttons: Allows for button remapping and assignment of complex macro functions through Razer Synapse,Drag-Free Cord for Wireless-Like Performance: Razer Speedflex cables eliminate the need for mouse bungees, drastically reducing weight and drag for absolute control