1200 DPI Sensitivity Smooth and accuracy cursor control Ease of Setup Simply Plug and Play Easy, Convenient & The Ultimate Performance Comfortably Used Connectivity : Wired USB Tracking Sensor : Optical LED Button Qty : 3 (left, right & scroll wheel) Symmetrical design suitable for both hands. Ergonomic design for comfortable, tireless grip Compatible with all operating systems, no software installation. The Roller easy to move and durable. Brand HP SKU 100782574_NP-1021254925 Model HP Optical Mouse