BIGtrack 2 is an accessible usb trackball that includes a large 3-in / 7.62-cm main control. The sturdy base of BIGtrack 2 allows the user to easily move and position the mouse cursor on the computer screen while using fine or gross motor movements of the hand, arm, or foot. Once the mouse cursor is positioned, two over-sized buttons are available for left and right clicking. If this isn’t enough BIGtrack 2 includes two 1/8-in / 3.5-mm jacks to connect one bigger switch per side (not included). BIGtrack 2 is targeted to disable people and children.