The Roller II Trackball is easy to operate with your fingertips. It features three buttons, guarded with a removable finger guard that helps locate the correct switch, support the hand, and avoid pressing the wrong keys. A useful latching 'drag-switch' is also fitted. No additional software is needed. Three (3) ability switch ports are included on the back of the unit, allowing external access to the buttons. No other software is required. Uses a USB connection to PCs.

This Product Includes:

• The Roller II Trackball (USB)