The ELECOM EX-G Trackball Mouse is a sleek black mouse with an ergonomic design, making it comfortable to use for extended periods of time. It features a thumb trackball for smooth and precise navigation, with a maximum DPI of 1500 for customizable accuracy. The mouse also offers both Bluetooth and wireless connectivity options, along with adjustable DPI for a personalized user experience. With its optical tracking method and 8 buttons, the ELECOM EX-G PRO is a versatile and efficient choice for computer and tablet users.