Vintage Logitech Marble Mouse USB wired trackball mouse, model T-BC21, featuring a gray body with a removable red trackball and amofferextrous four-button design.

This mouse was manufactured in April 2002 and connects through a standard USB Type-A plug. The stationary trackball design allows the cursor to be controlled by moving the ball with your fingers rather than moving the entire mouse, making it useful for limited desk space, vintage computer setups, office use, or collectors of older Logitech computer accessories.

The mouse has been tested and works properly. The red trackball moves freely, and the buttons respond as intended. It remains in very good overall condition with light cosmetic wear and surface marks consistent with its age and previous use. The USB cable and connector are intact.

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