Is green cable audio or mic?
Unless your computer is very old, the jacks are color-coded green for line-out — for speakers or headphones — blue for line-in and pink for a microphone.
What is the green cable for PC?
2.1 – 3.5mm headphone jack
The microphone port on your computer is usually pink while the speaker port, where you insert the stereo audio cable, is colored green.
Is red for MIC and green for audio?
However, on most boards, the red connects a microphone, the green are stereo “front” speakers and blue may be for a subwoofer or maybe for “rear” speakers if your board supports surround sound. Depending on how many, if it is the RCA type, it’s for television.