Serene Innovations Big Button Amplified Talking CID Cordless Phone Model CL-65

Amplifies sound up to 50+dB, features the latest HDS (Hi-Def Sound) technology with Tone Control for crystal clear calls, Talking Caller ID and Talk-back keypad, plus 8 speed dial buttons and speakerphone option. Product Features:  Powerful amplifier increases incoming sound up to 50dB amplification (300 times louder) HDS (Hi-Definition Sound) technology makes every word crisp and clear Digital Tone Control enhances and makes difficult to hear words easy to understand Talking Caller ID with call-waiting announces the caller's number before answering Large back-lit keys 'talk-back' to affirm that the desired key was pressed Easy to use phone book with dialed and received call logs  Eight one-touch speed dial buttons for easy calling One-touch call-for-help button for hands-free emergency calls High performance speakerphone Bright visual ring flasher and super loud ringer on handset and base DECT 6.0 technology for superior range and interference-free calls Battery back-up for full operation during power outage Output jack for tele-coil, neck-loop and other assistive accessories for hearing aid & Cochlear Implant users Hearing aid compatible handset Expandable up to four (4) handsets