Assertion: hearing aid's microphone | /r/CapableOf | sit behind the ear
Facets:
Source sentences:
text: The external portion consists of a microphone, processor, and transmitter that sit behind the ear, similar in style to a behind-the-ear hearing aid.
text: They consist of a case which contains the microphone, processor, amplifier and battery, which sits behind the ear, and this is connected by a sound tube to a piece which sits in the ear canal.