Assertion: headphone | /r/ObjectUse | used as a sound amplifier
Facets:
value: with its built-in microphone
type: OTHER
Source sentences:
text: The headphones can also be used as a sound amplifier with its built-in microphone that makes conversations louder and more audible to the hearing impaired.
text: The headphones can also be used as a sound amplifier with its built-in microphone that makes conversations louder and more audible to the hearing impaired.