The Logitech MX Ergo Advanced Wireless Trackball Mouse is a high-quality and ergonomic mouse designed for comfort and precision. With a maximum DPI of 2048 and optical tracking method, this mouse offers smooth and accurate cursor movement. Its sleek black design and wireless connectivity, including Bluetooth capability, make it a versatile and convenient choice for users. The trackball feature provides a unique and efficient way of navigating the cursor, while the 8 buttons offer essential control for everyday tasks. Ideal for those seeking a reliable and comfortable mouse for their computing needs.KCMS