Features •  103/104/105/107 keys compatible layout •  Stylish and contoured design •  Membrane tactile switches give comfort to your    fingers •  Laser printing keycaps for longer wear Specification •  Key layout: 103/104/105/107 •  Connector: PS/2, USB •  OS compatibility: Windows 98 / Me / 2000 / XP / NT /    VISTA / 7 •  Dimension (LxWxH): 428*145*16MM •  Agency Approvals: FCC class B, CE, WHQL