Soundcore Liberty 2 Pro mic issues

Have 2 pairs of Liberty 2 Pro and they sound great but both have an issue where after a while I cant be heard on the other end of a phone call. If I reset them it works for a while and then goes back to not working. Can anyone help.

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Best place to discuss this product.

Also try to use search, this topic comes up and fixes and tips exist… i.e. begin here

https://community.soundcore.com/search?q=liberty%202%20pro%20mic