A:AnswerYou need to access your AirPods Pro 3 sound settings and turn off the option for automatic-play. This will stop the back and forth which you are experiencing (this is what is causing the noise).
If the automatic option is selected, you may simply touch the stem and tap twice (or once) to turn it off.
A:AnswerMy son who has sensory neural hearing loss does like to use these and can hear me well when he uses them, but I do not recommend these be used in lieu of actual hearing aids.
A:AnswerThe buds will ask you if you want to answer as well as tell you who is calling. Has a feature where you can shake your head yes or no to answer as well as saying yes or no.
YouTube has many how to videos showing how to use all the features. Worth watching.