•TESTED AND WORKING

The Logitech Amofferextrous Trackman Marble Mouse USB T-BC21 Trackball is a high-quality trackball mouse designed for ultimate precision and control. With a maximum DPI of 300. With connectivity options such as PS/2 and USB, it can easily be connected to various devices. The optical tracking method ensures accurate and smooth cursor movement, making it a reliable choice for any computer setup.