<b>Precision and Comfort</b><br><br>Navigate with precision using the KSM-6188T-B Trackball Mouse, designed for smooth and reliable control. Featuring a large 55mm trackball for superior handling and precise movements, it also offers intuitive scrolling and durable switches tested for up to 3 million clicks. The trackball mouse is perfect for both demanding professional tasks and everyday casual computing.

With its plug-and-play functionality, it integrates easily with both Windows® and Mac OS systems.<br><br><b>Optical Sensing Precision</b><br>Achieve superior cursor accuracy with advanced optical sensing technology. This trackball mouse provides smooth and precise navigation, ideal for intricate graphic design and routine computing tasks. Enhance your workflow with dependable and accurate tracking.<br><br><b>Ergonomic 55mm Trackball</b><br>The 55mm trackball is crafted for ergonomic comfort, offering a satisfying and tactile interaction as you navigate.

Its large surface fits perfect This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-01-276-8819, indicating validated use in U.S. government and defense logistics supply chains.