Cyber Acoustics CA-2016WB Computer Speaker System. 6 footCable Assembly
Control your cursor with a simple touch of the finger! The highly accurate Orbit Optical is as easy to use as a regular mouse, but it stays in one place saving you valuable desk space. The precise optical tracking mechanism is also resistant to dust, reducing the need for regular trackball cleaning. 6 foot cord, 2 buttons, USB and PS2 interface.