What's the use of Win7 microphone listening work?

the function of Win7 microphone listening function

Simply put, you turn on the microphone listening function can be in the speaker in the speakers to hear their own voice, and everyone K song when the same truth, and if not open, then can only input, and they do not hear.

　　Second, how to open the Win7 microphone listening function

Operation Steps:

1, right click on the lower right corner small horn icon, click "Sound";

2, click the Recording tab, click the Microphone icon, click Properties;

3, click the "Listen" tab, check "Listen to this device", apply.