This Logitech M570 Wireless Trackball Mouse is an ergonomic model designed for right-handed users. It features a scroll wheel and five buttons, all of which are easy to use and customize. The mouse is wireless, making it easy to use without any restrictions.In addition, this mouse comes with a dongle, making it easy to connect to your computer. The black color and sleek design make it a stylish addition to your workspace. This Logitech M570 Wireless Trackball Mouse is perfect for anyone looking for a high-quality, ergonomic mouse that is both stylish and functional.