Wacom ET-0405A-U is a set containing a tablet, a mouse, and a pen. It is a graphics tablet that offers many advantages during digital imaging. Using a pen instead of a mouse means that the chances of repetitive strain injury are greatly reduced. It is much easier to edit the details of an image using a pen rather than clicking with a mouse. You can have more precise movements with a pen than with a mouse. The mouse provided with this tablet is wireless without a ball. You can lift the plastic surface of the tablet so that you can place a photo to be traced. Get WACOM ET-0405A-U DRIVER MAC from here.