Interfaces:1 x USB - 4 PIN USB Type A, Performance:Realtime sensitivity switching 250 - 2500 dpi, Buttons Qty:8, Movement Detection Technology:Optical, Cable Length:1.8 m, Movement Resolution:2500 dpi, Connectivity Technology:Wired, Features:Macro function, customizable report rate, illumination, anti-slip, triple-click button, Interface:USB, Compliant Standards:Plug and Play, OS Required:Microsoft Windows Vista / XP / 7 / 8