The ProtoArc Vertical Wireless Trackball Mouse EM05 Bluetooth is a sleek and ergonomic mouse designed for right-handed users. It features a trackball for precise navigation, an adjustable DPI of up to 1600, and a scroll wheel for smooth scrolling. The mouse is wireless and connects via Bluetooth, making it convenient for use with various devices. With its comfortable design and thumb button for easy clicking, the ProtoArc mouse is a practical and stylish choice for computer users looking for a reliable trackball mouse.