The Microsoft Natural Ergonomic Keyboard 4000 V1.0 KU-0462 is a black wired keyboard designed for ergonomic comfort and efficiency. It features a QWERTY layout, multimedia integration, enhanced function keys, and plug & play connectivity. With a sleek plastic build and measuring 10 inches in length and 3 inches in height, this keyboard is easy to use and ideal for those looking for a comfortable and reliable input device. The keyboard for sale is an OEM product from Microsoft, ensuring quality and compatibility with various computer systems.