The Logitech Logi MX ERGO Wireless Bluetooth Ergonomic Trackball Mouse is a high-quality mouse designed for ergonomic comfort and precision. With a sleek black design, this trackball mouse features wireless Bluetooth connectivity for convenient use. The optical tracking method ensures smooth and accurate cursor movement, while the 6 buttons provide easy navigation. Made in China, this Logitech MX Ergo model is a reliable and stylish choice for users seeking a comfortable and efficient pointing device.