Apple is projected to launch second-gen AirPods Pro in 2022. These TWS earbuds have allegedly been captured in new renders hinting that their charging case will come with new and heretofore-unseen features. Then again, their source may be less than 100% reliable in this case.
https://www.notebookcheck.net/Next-gen-AirPods-Pro-will-upgrade-to-a-case-with-Apple-Find-My-integration-and-more.574946.0.html