This Logitech Trackman Marble T-BC21 wired USB trackball mouse is the perfect addition to any computer setup. With its four buttons and precise tracking, it provides a great user experience. It is compatible with any computer that has a USB port and is easy to use.

The mouse has been tested and confirmed to work as expected. Its design is ergonomic, making it comfortable to use for long hours. This mouse is perfect for anyone who needs a reliable and easy-to-use mouse for their computer.