For Moderate to Severe Hearing Loss The ST50 is a twin to the ST45 with up to 52dB of amplification for noisy environments. the same high quality speaker phone, and the large easy to read LCD display screen with Ultra large fonts, Caller ID, Call waiting, loud ringer and Visual ring flasher, 3.5mm audio output port, Redial memory, Big button key pad, plus 3 memory buttons.
Part Number: 681-ST50