SUPER RARE & DISCONTINUED - BRAND NEW & FACTORY SEALED!AI: This Logitech M570 Wireless Trackball Mouse is the perfect addition to your workstation. With its ergonomic design and right-handed only feature, it ensures maximum comfort during long hours of usage. The scroll wheel and laser tracking method make it easy to navigate through documents and web pages. The black color and sleek design add to its aesthetic appeal. It is a unit type product and comes sealed in its original packaging. This trackball mouse is ideal for those who prefer a wireless connectivity option.