"Frequent AirPod performance issues: AirPods Pro 2 have delayed connection and sometimes glitched audio. I got my AirPods less than a year ago and there already not working. Couldn’t return them? I dropped them once on concrete and there’s some scratches."
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What are you connecting these to? What app are you using there? For an iPhone, start here...
Troubleshooting iPhone Mic After an Update:
A. Go Here: If you Hear No Sound or Distorted Sound from your iPhone, iPad, or iPod touch Speaker - Apple Support
B. Restart your iPhone:
Having just installed an update, restart your iPhone (as you always should after any update install): Restart your iPhone - Apple Support