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 Perfect Stroke key system, Soft-touch palm rest Full-size layout. Please note: Product is corded. USB connectivity - To use the keyboard, simply plug in the USB cable and start typing. The cable is approximately 6 feet long—enough to reach your desktop if it is underneath your desk, or on top of it