GAMING MOUSESensor: OpticalDPI: 800-1200-2000-3000-6400 (default)Buttons: 9 (programmable)Switch rating: 5 million clicksBacklight: 7 colorsPolling rate: up to 1000 HzInterface: USB 2.0Cable length: 1.5 mOS support: Windows 7 or newerFeaturesFULL PALM GRIP: Smooth ergonomic mouse shapeFAST KEY: Execute double left click with only one key pressDPI SWITCHING BUTTON: Quick 5-step DPI selection up to 6400COOL LIGHTING EFFECT: 7-color illumination