The Logitech Trackman Marble USB T-BC21 Mouse is a trackball mouse with a maximum DPI of 300. It features a thumb button for added functionality and connectivity options include PS/2, wired, and USB. The optical tracking method allows for precise cursor movement, while the gray color adds a sleek and professional look to the design. With its trackball style and compact design, this mouse is perfect for users looking for a reliable and efficient pointing device for their computer setup.
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