Ultron UMT-800. Device interface: USB, Keyboard layout: QWERTZ. Cable length: 2 m. Keyboard weight: 592 g. Windows operating systems supported: Windows XP, Windows Vista, Windows 7, Mac operating systems supported: Mac OS X 10.4 Tiger, Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion. Package weight: 694 g