Welcome to great hearing Meet your new hearing essentials. Welcome to ReSound Key Listen with confidence Our hearing is vital to connecting us to the world and to each other. Re-enrich your senses with the sounds of life - we've made your path to better hearing as easy as possible. For perfect hearing, we offer the ReSound Key™ hearing aid, designed to work comfortably and reliably with your own ears. It gives you the confidence and guidance to grow with your experience and hear your best every day. Which hearing aid is right for you? Confidently find your perfect ReSound Key for your hearing, lifestyle, wants and needs. For all types of hearing loss.