Key Specifications/Special Features: A specially designed backlit keyboard with transparent cover, rigid and rugged, waterproof and washable Made of silicone 2-level adjustable brightness of backlight With keyboard power on/off switch With backlight on/of switch Conveniently cleaning of flat cover Rubberized surface provides comfortable use of typing Compatibility: Windows 7/Vista/XP/2000/Me/98 Language: all languages compatible with Windows Communication: USB 1.1 Key layout: