if your AirPods are in contact with water activities. Let’s see the steps to water eject airpods :

Your AirPods must be taken out of the case and cleaned with a dry, lint-free cloth.
To get rid of any possible water inside an AirPod, lightly shake each one.
Remove any visible water droplets from the speaker grill using a soft-bristled brush or a dry cotton wipe.
Give your AirPods a minimum of 24 hours in a warm, dry location to dry.