Bluetooth Headset needs mic disabled for audio

Product: Apex Legends
Platform:PC
Please specify your platform model. PC
AMD or Nvidia Model Number Not relevant
Enter RAM memory size in GB Not relevant
What is your gamertag/PSN ID/EA Account name? SSymbiotic
Please provide your squad mates' gamertag/PSN ID/EA Account name if possible.
Are you using any software with an overlay? No
Which Legend were you playing (if applicable)?
Which Legends were your squad mates using (if applicable)?
Where did the issue occur? In the lobby (waiting area before the match)
Which part of the map or menu were you in? If you don't remember the exact name, please describe the area or what you were trying to do in the menu. N/A
What were you doing when the issue occurred? E.g. respawning a squad mate at a beacon, using an ability, a squad mate left the game. N/A
Did your squad mates also experience the issue? I don't know
How many matches had you played in a row before the issue occurred? N/A
When did this happen? (dd.mm.yy hh:mm)
How often does the bug occur? Every time (100%)
How severe is your issue?
What happens when the bug occurs? See below
What should be happening instead? See below
Steps: How can we find the bug ourselves? See below

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I am using a wireless headset (specifically Taotronics BH085's), and a bluetooth adapter from Techkey since my mobo doesn't have integrated bluetooth. Whenever I connect my headset and launch Apex, there's no audio. When I tab out there is no audio for any other programs aswell. When I close Apex the audio and input works fine. The only fix I have found for the lack of audio is to have the headphones connected, launch Apex, disconnect the headphones and then reconnect them. This fixes the audio but disables the microphone. It seems for bluetooth headphones to work with is to have the microphone disabled. I am not the only one with this issue, as stated in this  thread. It's not the end of the world if don't have comms but I would like to know if there's a solution to this problem.