Assuming you would like a step-by-step guide on how to turn on your Bluetooth microphone:
1. Make sure that your Bluetooth microphone is turned on and within range of your computer.
2. On your computer, open the Control Panel.
3. In the Control Panel, select Hardware and Sound, and then select Manage audio devices under Sound.
4. In the Sounds window, select the Recording tab at the top.
5. Find your Bluetooth microphone in the list of recording devices and make sure it is selected as the Default Device. If it is not already set as default, right-click on it and select Set as Default Device from the pop-up menu that appears.
6. Close out of all open windows and restart any applications that you were using with your Bluetooth microphone