Adding bluetooth to a Mini with Harman Kardon audio

My R53 Cooper S has the unexpected bonus of the Harman Kardon premium audio system.  While it has impressive power and sound quality (once

Harman Kardon Luna Elegant portable Bluetooth speaker with 12 hours of playtime

NOMVDIC X300 Smart Portable Speaker & Projector – NOMVDIC Corporation

Advice on how to connect this turntable to Harman/Kardon Speaker : r/turntables

Harman Kardon ONYX MINI :: Behance

Harman Kardon Onyx Mini Review

The Harman Kardon® Onyx™ Wireless Speaker System Delivers Rechargeable Portability

How to Turn Any Old Speakers Into Wireless Home Speakers

Pair Your Google Home Mini to a Bluetooth Speaker

Harman Kardon Fly TWS Review