Razer Optical Mouse Switches Gen-3 for unrivalled durability and speed: From an improved 90-million click lifecycle with zero double-clicking issues, to a blistering 0.2ms actuation with no debounce delay, enjoy reliability and speed that outshines all others. Chroma Lighting with Gradient Underglow powered by Razer Chroma RGB: Customize the mouse from 16.8 million colors and countless lighting effects, and experience Ideal immersion as it reacts dynamically with hundreds of Chroma-integrated games. Precise Sensor Adjustments powered by the Razer 8500 DPI Optical Sensor: Fine-tune the Razer Cobra’s sensitivity with precise adjustments in 50 DPI increments. Achieve the Ideal setting that’s truly tailored to your playstyle. Razer Speedflex Cable for smooth, unobstructed mouse movement: The Razer Cobra’s cable has Ideal flexibility and is designed to produce minimal drag, so that you can perform quicker, more fluid swipes for a higher degree of control. 100 Percent PTFE Mouse Feet for ultra-smooth glides: Made from the purest, highest grade of PTFE, the Razer Cobra’s mouse feet on the front, rear, and sensor ring allows it to glide smoothly across any surface.