The Microsoft Natural Ergonomic USB Wired Keyboard 4000 v1.0 in Black is a comfortable and efficient keyboard designed for long typing sessions. With its ergonomic design, this keyboard provides a more natural hand position for improved typing comfort. The USB connectivity ensures easy connection to your computer, while its standard QWERTY layout makes it easy to use for most users. This keyboard is a reliable choice for those looking for a high-quality, durable option for their workplace or personal use.