Logitech Illuminated Ultrathin Keyboard K740 with Laser-etched Backlit Keyboard and Soft-touch Palm Rest Windows 8, Windows 7, Windows XP or Windows Vista, USB port Laser-etched backlit keys, Manual brightness adjustment Elegantly designed, Ultra-thin keyboard profile Logitech PerfectStroke key system, Soft-touch palm rest Full-size layout. Please note: Product is corded. Windows XP, Windows Vista, Windows 7, Windows 8, Windows 10 or later USB port