Get them dry
Some people recommend placing electronics that get wet into a bowl of rice to draw out any moisture.
Another great recommendation is to place it in a warm, but not hot environment, such as an airing cupboard.
This will slowly eradicate any moisture without damaging the electronics inside the AirPod.
What do I do if I dropped my AirPods in water?
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How to Remove Water from AirPods – YouTube
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What happens if your AirPods get wet?
If your AirPods get wet, begin to dry them off by wiping them with a microfiber cloth. Whatever you do, do not put wet AirPods inside the charging case. Doing so may cause further damage to your AirPods and possibly even your charging case.
Can AirPods survive the wash?
Apple’s AirPods earbuds may be known for their small, completely wireless design, but a new video shows they’re quite durable. A video posted online shows that the AirPods (in case and outside of case) survive falls from up to 10 feet, submersion in water, and a full-cycle in a washing machine.