Interfaces:1 x USB - 4 PIN USB Type A, Movement Resolution:1600 dpi, Connectivity Technology:Wired, Buttons Qty:4, Performance:Realtime sensitivity switching 800/1200/1600 dpi, Movement Detection Technology:Optical, Interface:USB, Service & Support:2 years warranty, Service & Support Details:Limited warranty - 2 years - carry-in, Compliant Standards:Plug and Play