There will almost always be a hole above it in the plastic remote housing.

MEMs microphones are a silver or black rectangle and it has to have a small hole in the top of the package https://www.st.com/en/mems-and-sensors/mems-microphones.html

Generally you can also just put a dab of hot glue over the top of the hole and it won’t be able to hear shit, you don’t necessarily have to desolder it, but it is the most effective.