The Logitech MX Ergo Rechargeable Wireless Trackball Mouse M-R0065 is a versatile and ergonomic mouse designed for comfortable use. It features a trackball for precise cursor movement and has a sleek black color. With wireless connectivity options including Bluetooth, this mouse offers flexibility for how you use it. It also comes with an adjustable DPI, LED lighting, and a battery status indicator for convenience. The mouse is equipped with 8 buttons and optical tracking method for smooth performance.