The next generation of the #1 selling line of big button amplified cordless phones. The Clarity D704 combines hearing, vision and mobility solutions into one great value. Hear Clearly - Clarity's patented hearing technology, Clarity Power, makes hearing easy again by: Minimizing background noises Eliminating feedback and distortion Managing soft/loud sounds to produce clarity Amplifying incoming sound up to 40 dB or 20 times louder than a standard home phone Offering four (4) tone settings to customize your listening experience Utilizing DECT 6.0 technology for clear, interference-free communication See Clearly - More than just the biggest buttons that are easy to see, this thoughtful design delivers: Easy to see high contrast numbers Contoured keys with soft-touch material for comfort Backlit keypad that is easy to see at night Large font and high contrast caller ID screen Easy to Use - A simplified design coupled with Clarity's 40 years of innovation makes the D704 easy to use. Extra loud and clear handset speakerphone for hands-free conversations Ten (10) speed dial buttons to store important numbers One-hundred (100) name and number phonebook with ten (10) memory buttons Twenty (20) last number redial memory Easy to hold lightweight and ergonomic handset Belt clip for hands-free mobility Superior Technology - Clarity's dedication to innovation provides each phone with effective solutions to better fit into your lifestyle. Hear-It-Ring Clarity ringer has ten (10) loud and clear melodies Six (6) levels of volume Expandable up to 5 handsets (sold separately) Both the large keypad and CID display light up as a super bright visual ringer Direct connection to assistive listening devices or headset (2.5mm) Superior Support - Clarity's focus is serving seniors with: Both a U.S. and Canadian based team of fifteen has been serving the needs of seniors for over 40 years understanding and meeting their specific needs Over 10 million seniors served since 1969, Clarity helps keep Seniors connected to family, friends and their community One (1) year limited warranty