A microphone jack.
Only if the microphone is a Bluetooth microphone.
One can find cheap deals on USB headsets with a microphone at an electronics store, such as Best Buy. They can also be found online at sites such as Amazon.
It plugs into the computers Microphone jack. Make sure you don't plug it into the Headphone jack.
Headphone, because audio is going OUT (mic is giong IN).
To use a headphone microphone on your iPhone without Apple headphones, connect your third-party headphones with a built-in mic through the headphone jack or Lightning port. Once connected, the iPhone should automatically recognize the microphone. You can test the microphone by using voice memos or making a call to ensure the audio input is working correctly. If it's not switching automatically, check your app settings to ensure it's set to use the external microphone.
The mic is right next to the headphone jack on the top left of the iPad.
green headphone jack on the back of the computer
A local electronics store should have one. Counter-Strike doesn't need a specific one, but make sure is comes with a microphone.
The cheapest microphone available from the Best Buy website is $3.30. The cheapest microphone available from the Amazon web store is $1.95 plus shipping costs.
This is very simple. Get A 2 sided 3.5mm headphone jack and plug one end into the microphone port and the other into the headphone jack.
It is at the top in the middle of the headphone jack and sleep/wake button.