They inserted a MICROPHONE in them,
a Keylock 20-10
Money Heist Season 1, Episode 13
Rio had a MICROPHONE and a GPS beacon.
Money Heist Season 3, Episode 8
a telephone, a fucking MICROPHONE.
Money Heist Season 1, Episode 11
Yeah, I should have brought
my parabolic MICROPHONE.
The Big Bang Theory Season 9, Episode 8
(MICROPHONE FEEDBACK)
The Big Bang Theory Season 9, Episode 16