MK545 Advanced is an instantly familiar wireless keyboard and mouse combo built for precision, comfort and reliability. The full-size keyboard features a familiar key shape, size, and feeling – optimized for precision and noise reduction. The keyboard’s textured palmrest and adjustable tilt legs keep you comfortable for long stretches. The advanced, full-size mouse is designed to fit comfortably in either hand – and laser-grade tracking and advanced controls keep you in command. Plug and play your keyboard and mouse with one tiny USB receiver with Logitech Unifying™ technology. You’ll get a reliable – and encrypted – wireless connection up to 10 meters away with virtually no delays or dropouts.