A.Mulitmedia wireless keyboard  B.USB port                                                C.working with windows 98/2000/xp /7/vista                   D.Multiple language versions avaialble 

A.Type: 3D 2.4Ghz Wireless 
B.USB port                         C.DPI: 1600 
D.Number of Buttons: 6 Packaging  
E.Certificate: CE, FCC