The Focus+ 20K DPI Optical Sensor is three times faster than conventional mechanical switches and provides real-time sensitivity adjustment via reprogrammable DPI buttons for gaming. The latest Razer optical mouse switches register button presses at the speed of light thanks to light beam-based actuation. Immersion, Adaptable RGB Chroma Lighting: supports 16.8 million colors with preset profiles included; it synchronizes with Philips Hue products, Razer Chroma-enabled peripherals, and gameplay. Eight Buttons That Can Be Programmed: enables the use of Razer Synapse to assign complex macro functions and remap buttons. Drag-Free Cord for Performance Similar to Wireless: By doing away with mouse bungees, Razer Speedflex cables significantly reduce weight and drag for complete control.