The Microsoft Natural Multimedia Keyboard Ergonomic RT9470 1.0 A Macally Mouse is a high-quality keyboard and mouse set designed for ergonomic comfort and ease of use. The keyboard features a natural curve design to support the user's wrists and hands while typing, promoting better posture and reducing strain. The Macally mouse offers a smooth and precise pointing experience, making it ideal for navigating through applications and websites with ease. With PS/2 connectivity, this keyboard and mouse set is compatible with a wide range of computer systems, providing a reliable and efficient user experience.