What is the difference between two stripe earphone/headphone and three stripe earphone/headphone? - Quora
I have a male-to-male audio cable (a 3.5mm jack on each end). Can it be used to play music from my iPod or smartphone on a PC? If so, how? - Quora
![switches - How i can use the same audio jack for input line and headphone output - Electrical Engineering Stack Exchange switches - How i can use the same audio jack for input line and headphone output - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/nlzuP.png)