Assistive listening device, personal fm/dm system, binaural, (2 receivers, transmitter, microphone), any type
assistive listening device, personal fm/dm system, binaural, (2 receivers, transmitter, microphone), any type
Assistive listening device, personal fm/dm system, binaural, (2 receivers, transmitter, microphone), any type
assistive listening device, personal fm/dm system, binaural, (2 receivers, transmitter, microphone), any type