Logitech Logitech Trackman Marble Trackball Wired USB Mouse T-BC21, P/N 810-000767 Tested

Logitech USB Optical Trackball Mouse, Model T-BC21 (P/N 810-000767). Condition: Pre-owned and fully tested. The trackball has been tested and is working properly. Shows normal cosmetic wear from previous use, including light scuffs and scratches consistent with age. Please review all photos for the exact cosmetic condition. Features: * Logitech USB optical trackball * Model: T-BC21 * Part Number: 810-000767 * USB connectivity * Tested and fully functional * Genuine Logitech product Included: * Logitech T-BC21 USB Trackball only * No original box, software, or additional accessories included