Switch Between Computer Earphone

The switch between computer earphone/microphone and loudspeaker
Foreword: wherever you are, you should use internet phone to contact with others! it can save much money for you, but have you found some trouble??
First, you should install the loudspeaker then you can hear someone calling
Second, only installing the loudspeaker then many people can hear
Third, only installing the microphone then people can speak to others.
Last, but when you need speak some secret and dona t want others hear, what can you do that time?
The best ways:
1. You can pull up the plug of loudspeaker and microphone, then plug into the earphone and microphone, do you think it is so trouble???
2. If there are two delivery end on your computer, you can put the microphone/earphone and loudspeaker/microphone plug into ,but meantime you will find it is more trouble, because you should set the handover command for your computer(seldom person know this),and when you transform, you should key in the handover command, after a lot of bother, you can talk.
3. Then choose the switch is the best way, not only you can use the headset mic,but also the speaker- Microphone.