It had been in the works for a while, but now it has formally been adopted. From the article:
The regulation provides that by 2027 portable batteries incorporated into appliances should be removable and replaceable by the end-user, leaving sufficient time for operators to adapt the design of their products to this requirement.
Ive used other bluetooth attachments for other iems like TRN and KZ with my iems
Use it wired on my laptop and wireless outside