Amplicomms Bigtel 40 Big Button Phone for Elderly Loud Sound Phones Hard Hearing Aid Compatible Corded Number Telephone

One-touch Audio-boost for +40dB extra loud volume in the earpiece to ensure effortless conversations, extra loud ringer volume adjustable to up to 90dB and large visual ringer indicator to never miss a call Six very convenient photo memories allow to program the phone number of your closest family members, friends or your doctor, and call them at the press of the button. So nice to identify the person you want to call with it's photo Large keypad with big buttons makes dialing easy for clumsy hands and ten speed dial numbers allow to store phone numbers of relatives. You can adjust the ringer volume with three levels, Low / High / Off, and the handset volume if you need to increase or decrese the sound, and even the microphone volume to adjust the volume transmitted. Works without battery or power supply. Can be directly plugged to the box/digital router/hub or to the phone line