The Microsoft Natural Ergonomic Keyboard 4000 v1.0 Model 1048 KU-0462 is a wired USB keyboard designed for comfort and efficiency. With a sleek black color and ergonomic design, this keyboard offers a QWERTY layout and multimedia integration features for added convenience. The keyboard is 19.8 inches in length and 10.3 inches in width, making it suitable for various computing tasks. It also comes with English language settings to cater to a wide range of users.