The Logitech ERGO M575S Wireless Trackball Mouse is a sleek and ergonomic mouse designed for right-handed users. It features a comfortable trackball for precise cursor movement and a maximum DPI of 2000 for smooth and accurate control. With wireless connectivity options including Bluetooth and USB, this mouse offers flexibility in how you use it. Its black color and optical tracking method make it a stylish and efficient choice for everyday use. Made by Logitech, a trusted brand in the industry, the Logitech Ergo M575S is a reliable and high-quality mouse for your computing needs. It completely brand new I haven’t opened it yet.