Characteristics and Interoperability Game Mouse Razer DeathAdder V2: 20K DPI Optical Sensor - Quickest Switching Gaming Mouse - Rubberized side grips - 8 programmable buttons - RGB chroma lighting Concentrate 20K Optical DPI Sensor For precision that leads the industry, auto-calibrates across the mouse mat and minimizes cursor drift during lift-off and landing. Razer Optical Switches: Durability in 70 Million Clicks Three Times Quicker Than Conventional Mechanical Switches: By using light beam-based actuation, the new Razer optical mouse switches register button presses at the speed of light. Immersive, Adaptable RGB Chroma Lighting Encourages 16.8 million colors with preset profiles; compatible with Razer Chroma peripherals and Philips Hue products; synchronizes with games Eight Buttons That Can Be Programmed enables the assignment of intricate macro functions and button remapping via the Razer Synapse 3 Drag-Free Cord for Wireless-Like Performance. The need for Razer Speedflex cables is eliminated.