The Ameriphone Dialogue JV35B amplified telephone is perfect for people with vision & hearing impairment. Designed to help people with vision and hearing impairment High contrast, jumbo-size buttons with Braille characters make it easy to dial Electronic voice calls out each number as it is dialed, so you know you are dialing correctly Programmable memory buttons announce the name of the person you are calling One-touch programmable emergency buttons with Braille characters You can record your own announcements for the number buttons, memory buttons and emergency buttons - using your own voice and language! Powerful, adjustable amplification makes calls up to 37 dB. Adjustable Tone Selector lets you tailor the amplification for optimum clarity Bright ring flasher and adjustable, super-loud 95+ dB ringer tell you when a call is coming in