This is the ORIGINAL famous Cyber Sonic HearingAid that has been nationally publicized on TV and in leading publications-similar to those that have been sold in Europe for much and much more!It is made with high technology and so small. It fits right behind your ear (fit for RIGHT & LEFT ear)Do not be fooled by the small size or appearance of this device. It may look like a simple device designed to hide right behind your ear, but is actually a major breakthrough in sound interception and amplification technology. State of the art electronic engineering actually allows you to capture and amplify sounds you can hardly hear with your own ears! It works so incredibly well that you literally won't believe your ears!