[. . . ] [. . . ] The 12 function keys and volume control maximize convenience for o ff i c e u s e r s a n d m u s i c l o v e r s . Ty p i n g i s comfortable and effortless, thanks to its lowprofile key layout, low resistance switches and flat design. Specifications: Connectivity: Dimension: Weight: USB 430 L x 115 W x 18 H (mm) 555g System requirements Windows 7, Vista, XP, 2000, ME USB port 6 versions are available: UK German French Spanish & Portuguese Italian & Polish Czech function keys 12 one-touch Volume control keys Ultra-slim design [. . . ] [. . . ]