The Contour Roller Mouse Pro 3 Ergonomic Roller Mouse RM-PRO3 is a high-quality mouse designed by Contour Design for those seeking an ergonomic and comfortable pointing device. This black mouse features a unique roller design for smooth and precise cursor movements. With a wired connectivity option via USB, it ensures reliable and efficient use for various computers and tablets. Its optical tracking method ensures accurate and smooth cursor control, making it a practical and reliable choice for users looking for a comfortable and efficient mouse for their computing needs.