The Hands Free Touchpad is a new concept for using your computer mouse by lightly grazing your chin across the surface of the Ergonomic Touchpad.Control your mouse cursor, easy to do left and right click, and scroll. An economical alternative for people who are unable to use their hands. Just plug it in and start using it, works on all computers, simple to use and takes no special training, comes with everything included, Extra large touchpad, flexible clamp-able arm, swivel end for fine adjusts, and special bags to cover it while you use it. 30 day money back guarantee! Flexible Arm Length: 61 CM (24 inches)Touchpad Size - Length: 96.87 mm (3.814 inches), Width: 78.23 mm (3.08 inches)Comes with a 6-ft. USB cable.Works with Windows 7 / Vista / XP / 2000 / 98 Works great with Apple Macintosh computers Patent Pending