Amazon.com: Cubilux USB C to SPDIF Adapter with PD Charging,USB Type C to Toslink Optical Audio with 192KHz/24bit, Thunderbolt 4/3 Spdif Audio Adapter,PD Charging Suitable for Chromecast Gen 3,Ipad 10/Ipad Pro :
How to Cast Apple Music to Google Chromecast
Chromecast Audio review: The ultimate audio streaming dongle is better than ever - CNET