
To use a new headset, microphone or speakers, including USB headsets, USB phones or multiple sound cards, you need to configure which device Skype should use.
    - In Skype, in the menu bar click Call > Audio Settings.
                         
 
- Make sure that the device you want to use as your microphone is selected in the Microphone dropdown list. If it’s not, click the down arrow and select another device.
- Try speaking into the microphone and see if the volume indicator lights up. If it does, the microphone is working fine.
                         
 
- Make sure that the device you want to use as your speakers is selected in the Speakers drop-down list. If it’s not, click the down arrow and select another device.
- Press the  button. 
                        If you can hear sound being played, your speakers are 
                        working correctly. button. 
                        If you can hear sound being played, your speakers are 
                        working correctly.
For more information on how to change your audio settings, check the Skype 
                      sound set up guide.
                    Learn more about how to use 
                      a headset, microphone and speakers with Skype.