High definition amplified jumbo-key phon

- Serene high definition amplified telephone- Panoramic speech clarity- 55+ dB amplification increases incoming sounds up to 400 times louder- Digital tone settings make similar sounding words distinct and easy to understand- Auto INoff-hookIN warnings to prevent unknowingly blocking incoming calls- Jumbo keypad makes it easy to see and dial- Adjustable digital tone control lets you enhance selectable sound frequencies to match your hearing, making difficult to hear words intelligible again- Latest digital sound processing technology eliminates virtually all distortion, echo effects and unwanted static, commonly found in other amplified phones- Auto INoff-hookIN warnings to prevent unknowingly blocking incoming calls- Jumbo keypad makes it easy to see and dial- Three one-touch and ten two-touch programmable memory buttons- Two (front and side) visual ring flashers- 90+dB super loud ringer with adjustable ringing volume and tone controls- Battery back up (batteries not included) for power outages- 3.5mm jack for neck-loop, tele-coil and other assistive accessories- Hearing aid compatible