The start-up Olive Union has put its latest product up for crowdfunding on Indiegogo. On first glance, they are a particularly chunky take on the AirPod-clone TWS earbud. This may be because they apparently pack an "FDA-registered" hearing aid in with typical Bluetooth and audio components. They, for example, purport to exclude background noise to isolate human voices.
https://www.notebookcheck.net/The-Olive-Pros-are-TWS-earbuds-and-hearing-aids-in-one.506469.0.html