BIGtrack is a USB mouse that includes a large 3-in / 7.62-cm trackball. The sturdy base of BIGtrack 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.
BIGtrack includes two 1/8-in / 3.5-mm mono (TS) switch jacks. Plugging in a switch on the left side of BIGtrack will enable the left click via the switch. Plugging in a switch on the right side of BIGtrack will enable the right click via the switch. Switch are not included and sold separate.