The EM01 NL Ergonomic Wireless Trackball Mouse by ProtoArc is designed for comfort and precision. With a sleek gray ball and ergonomic design, this mouse offers adjustable angles for customizable comfort. The trackball technology allows for smooth and precise cursor movement, while the Bluetooth connectivity provides convenience. At 1600 DPI maximum, it offers a balanced and efficient user experience. Made in China and weighing 10.9 ounces, this mouse is a reliable and stylish choice for those seeking a comfortable and high-performance pointing device.