Windows 10: Bluetooth headphones "Connected music" only, instead of "Connected voice, music"

Hi, this is a follow-up of https://answers.microsoft.com/en-us/windows/forum/all/bluetooth-headset-connects-only-as-music-not-voice/23ea9ca1-d215-429b-859a-cc420afe80b2 which is closed.I have found a solution by manually editing the registry.I had the same issue on my Jabra Elite 75t earbuds - they were only connecting as headset instead of headphones. This means they were useless for conferences - a big deal!The issue happened seemingly on a reconnect, I had them working earlier today just fine.I tried the solutions proposed in the above thread to no avail and being fairly familiar with

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Bluetooth Headphones only connect to voice and music

Today my headphones started to only use voice and music, when yesterday [the day i got them] they did all noise. I have re paired the headphones to the computer, remove and re add them to the computer list, and remove the computer from the headphones bluetooth
list. Everytime I reconnect them they just say connected to voice and music.

 

Listen to Android phone's music from desktop headphone

How to listen to [Android phone's music] from [a headphone that is connected to a Windows 10 desktop] without internet connection?
I have an Android phone (Pixel 3a) with YouTube Music installed on it.

When I don't have internet connection, I want to be able to wear my headphone, which is connected to my desktop (Windows 10) and listen to both my desktop's audio (for example, game sound) and the music playing on my phone (for example, music that is available only on the phone's YouTube Music offline downloaded folder).

How can I achieve this?

Note:

• I searched on the internet and it seems like Windows 10 doesn't have bluetooth support by default that support audio streaming from phone to PC. People seems to be able to install a different bluetooth driver and get it to work, but I can't get it to work. (if you can get it to work please list the exact step)
  
  
• This source says Pixel 3a has A2DP.
  This is my motherboard: TUF GAMING X570-PLUS (WI-FI) Driver & Tools | Motherboards | ASUS Global
  

 

Cannot connect to bluetooth headphones after upgrade to Win10


I upgraded my Lenovo W530 running Win7 Pro 64 bit to Windows 10. After the upgrade I can no longer connect to my bluetooth headphones which worked before the upgrade. The bluetooth radio is on. When I click Connect in the Action Center it shows that the headphones are connected but they are not. The headphones (actually my hearing aids) play a notification sound when a bluetooth connection is made and I never hear that sound. If I play music the sound goes to the speaker, not my headphones. I have removed the headphones and repaired them. I have checked that all of the bluetooth device drivers are up to date in Device Manager. I would really appreciate any suggestions to solve this problem. Thanks.