Hearing disorder or hearing deficiency is a total or minor reduction in the ability to perceive or recognize sounds. Hearing loss can happen to any organism that interprets sound because of a broad range of biological and environmental conditions.V-99 offers a wide variety of styles and technology levels for any type of hearing loss. Products are developed emphasizing credible evidence to influence design, which means in our clinics we demonstrate the benefits of new technology and features before always fitting somebody with any hearing aid. It is handy in size and lightweight, not readily visible; set volume to the minimum before wearing; raise volume progressively to prevent sudden rise in sound. This Sound Amplifier allows people with hearing impairment issues to hear sound and voice like normal people. It is designed by audiologists to be comfortable, reliable and easy to wear.