Phone Clarity Alto Talking KeypadAlto speakerphones from Clarity feature Digital Clarity Power technology to enhance audio performance and quality equal to that of high end digital hearing aids. This phone minimizes background noise and amplifies soft and loud noises differently, making this phone great for hard of hearing individuals. Other features include an extra loud speakerphone, large backlit dial pad buttons, 10 one touch speed dial buttons, an oversized bright visual ringer,