【Discontinued & Beautiful Condition】Logicool Logitech T-BC21 Trackball Mouse Wired Gray/Red Ball Thank you for viewing. This is the popular, now discontinued, symmetrical trackball mouse "Logicool (Logitech) T-BC21." With its simple design and high operability, it still enjoys strong popularity today. ✅ Product Details Brand: Logicool (Logitech) Model Number: T-BC21 Type: Trackball Mouse (Symmetrical) Connection Method: USB Wired Body Color: Gray Ball Color: Red (Glossy with dots) Condition: No scratches, beautiful condition. Operation confirmed. Accessories: Body only (no box), will be carefully packaged and shipped. ✅ About the Product After purchasing new, it was stored with almost no use. There are no noticeable scratches or stains, and it is in overall clean condition. Recommended for those looking for a rare model. Immediate purchase OK, first come, first served! Thank you very much.