
It's an ultrasonic MICROPHONE
so we can hear the baby's heartbeat.
The Big Bang Theory Season 9, Episode 20

a telephone, a fucking MICROPHONE.
Money Heist Season 1, Episode 11

A MICROPHONE,
The Big Bang Theory Season 9, Episode 16

(MICROPHONE FEEDBACK)
The Big Bang Theory Season 9, Episode 16

Yeah, I should have brought
my parabolic MICROPHONE.
The Big Bang Theory Season 9, Episode 8