LUOM Bluetooth 4.2 Transmitter Audio Adapter with Digital Optical Toslink, Wireless Connection And Transmit Audio Between Your PC/TV and Bluetooth Speakers/Headsets/Amp - Newegg.com
USB-C PD Audio Adapter | USB Type C to Audio Jack - Satechi
PURE FX-I530-010: Optical USB 3.1 Cable, FiberX, USB-A to USB-C Connector, 10 m at reichelt elektronik
LONGON USB 3.1 Type C Active Optical Fiber Cable Lightspeed Compatible