The Logitech Logi Trackball Ergo M575 Computer Mouse is a sleek black wireless trackball mouse designed for right-handed users. With its optical tracking method and ergonomic design, this mouse offers a comfortable and precise experience. It features programmable buttons, adjustable DPI, and an on/off switch for customizability. This Logitech ERGO M575 model also offers Bluetooth connectivity for added convenience. Overall, this trackball mouse is a high-quality unit that combines functionality and comfort for improved productivity on the computer.