The Razer DeathAdder Essential is a classic ergonomic wired gaming mouse designed for comfort, precision, and reliable performance, especially suited for FPS and everyday gaming. Features: High-precision optical sensor (6,400 DPI) 1000Hz polling rate for fast and stable response Ergonomic right-handed design inspired by the DeathAdder series 5 programmable Hyperesponse buttons Mechanical switches rated for up to 10 million clicks Rubber side grips for better control Smooth and accurate tracking Plug-and-play USB wired connection Compatible with Windows PC and macOS. Package Includes: Razer DeathAdder Essential Wired Mouse User Manual