The amplified talking telephone with extra large display was designed specifically for users with visual impairment and hearing loss, with volume control adjustable up to 40 db with an extra-loud hands free speakerphone. all keys and key functions are spoken out to you, as well as any contact names recorded in the phone’s memory. the phone’s layout and buttons feature different textures for people with impaired vision, as well as a large readout screen with a choice of text fonts and colors for maximum visibility. it provides a range of options and settings designed to make it easier for people with hearing and visual loss to keep in touch. choose from three ringing melodies with adjustable volume as well as an extra-bright call alert light. its unique ergonomic design, extra-large screen and big button keypad make the bdp400 the ideal amplified phone for any user with visual and hearing loss.