What is the slot next to headphonemic slot on controller?

This activates the XLR inputs, as opposed to the built-in mic input jack and plugging into the 5D microphone input Then I plug

What is the slot next to headphonemic slot on controller? However, I decided to add another sim on the slot when I woke up I accidentally inserted the sim ejector pin to one of the tiny mic holes at

This activates the XLR inputs, as opposed to the built-in mic input jack and plugging into the 5D microphone input Then I plug

micro usb slot It only shows the built-in microphone as a possible choice for the input mic input via the headphone jack, but only with combination

slot in the steel plates is directly above the switch jaw and the blade must mic braking 2 - To hold the load after it has been stopped 3

microsd slot Electronic Spices Bluetooth FM with MIC Slot Big Display USB IR Antenna Slot MP3 Stereo Audio Player Decoder Module Kit with Big Remote

Slot Antennas on Synthesized Low Permittivity Substrates , Trans IEEE MIC Slot - Line Aerial ” , Trans IEEE , Vol AP