🔴《FITS in 34mm/1.34" TRACKBALL MOUSE》The trackball can be easily removed. Simply replace it and it gives you fast movement and huge or multiple screen control work. Its glossy surface, appropriate color, and perfect thickness provides accurate control and smooth movement.
🔴《EASY MAINTENANCE》Clean with cloth and you can keep your replacement ball running and working for years. Before replacement, we recommend that clean the inside of the trackball mouse to avoid possible erratic mouse cursor movement.