The Microsoft Natural Ergonomic 4000 (B2M-00012) Wired Keyboard is a reliable and comfortable keyboard designed for long hours of typing. With its ergonomic design, multimedia integration, and QWERTY layout, this keyboard offers a user-friendly experience. It is in a sleek black color and features a wired USB connectivity for easy setup. The English keyboard language and dimensions of 19.8 inches in length and 10.3 inches in width make it a practical choice for office or home use.Tested working.Has a couple years on pad but works great