... Feature:Operating system:Window 98,Window 2000,Window ME,Window xp,Window vistaInterface: USB port Warranty:1 Year manufacture warranty Working ... Cable lenght:1.8meterDesigns:single ,smart ,Ergonomically design, clear appearance, and comfortable feeling Shipping &delivery PortShenzhen or HongkongExpressUPS, DHL, EMS, TNTShippingBy ...