Rumour has it that Apple will utilise the U1 chip in the AirPods Studio, its first set of AirPods-branded over-ear headphones. Reputedly set to launch for US$349, the AirPods will be highly customisable and have so far been spotted in two colours.
https://www.notebookcheck.net/The-Apple-AirPods-Studio-may-have-a-U1-chip-for-seamless-wearing-as-supposed-video-leaks.495028.0.html