Bowers & Wilkins PX headphones – a study in contrasts – audioFi.net
Bowers & Wilkins PX8 Review: Is $700 Too Much for Wireless Noise-Canceling Headphones?
Bowers & Wilkins PX Review | Trusted Reviews
Looks like it may be possible to replace the battery in the new PX8 for future reference. At least going off the PX design… if you are brave enough 😆 : r/headphones