Assertion: piezoelectric speaker | /r/CapableOf | call piezo
Facets:
value: colloquially
type: MANNER
value: sometimes
type: TEMPORAL
Source sentences:
text: A piezoelectric speaker (also known as a piezo bender due to its mode of operation, and sometimes colloquially called a "piezo", buzzer, crystal loudspeaker or beep speaker) is a loudspeaker that uses the piezoelectric effect for generating sound.