-High tracking speed with advanced technology perfect for Laptop & Notebook Users – DPI Switchable – Ergonomic design – Precise Positioning – High performance optical sensor , smooth and precise control, provides you more mobile recognition ability and game`s tracking and positioning – Built-in counter weight design reduces friction , while making it more stable , smooth and accurate – Resolution: 800-3200dpi – Engine: Optical – Compatible with : Windows Me Windows Nt Windows 2000 MAC Windows 7 & 8
