The product is a used AOC 21.5' monitor in black color, suitable for casual computing. The monitor has a screen size of 21.5 inches, making it ideal for tasks such as browsing the internet, working on documents, or watching videos. The AOC brand ensures quality and reliability, as the monitor has been tested and confirmed to be in working condition. This monitor is a practical and affordable option for those in need of a basic display for their computer setup.