How to Reset AirPods
Resetting AirPods returns AirPods to factory default settings, this procedure can be helpful for troubleshooting various problems with AirPods, but it can also be necessary if you plan on giving used AirPods to someone else, or even to sync and connect the AirPods to another compatible device. Essentially this will be resetting AirPods to factory settings, as if they were brand new.
Some common reasons to reset AirPods for troubleshooting reasons are if the airPods are suddenly not showing up as available, if the AirPods case is not charging the AirPods out of the blue, if there are curious battery issues with the AirPods, amongst other issues that could be experienced. Usually a quick reset to factory settings fixes these type of AirPods issues quickly.