To use Skype with a Bluetooth device (such as a wireless headset): Make sure you’re using the latest version of Skype . Turn on your Bluetooth device to make it discoverable.
Click the “Microphone, Speakers and Ringing” drop-down menu and click the name of your Bluetooth headset to enable it for use in Skype.
Last updated: Jul 19, 2017
If you use a traditional microphone with Skype, however, you are physically limited by the cord. An audio cable can prevent you from multitasking during a call, and keeps you tethered to your desk. You can solve this problem by using a Bluetooth headset, which allows you to talk on Skype without using wires.
Turn on the Bluetooth headset. Click «Start». Input «Bluetooth» into the search box. Click «Add a …
Also, I am using the new Skype (the Windows 10 version) Let me explain: The headset has 2 channels. One is called «Stereo» and one is «Hands-Free», as shown below.