Hifime S2 DAC - USB and Optical DAC for iPhones, Android, USB-C
TosLink (Optical) and Coaxial Bi-directional Converter - from LINDY UK
Turtle Beach upgrades, iterates USB soundcard line, adds optical output for true 5.1 surround | Engadget
USB-C PD Audio Adapter | USB Type C to Audio Jack - Satechi
Argent USB 3.1 Type C to C Active Optical Cable
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
IKKO ZERDA DAC Adapter USB-C to Jack 3.5mm / Optical Mini-Toslink CS43198 32bit 384kHz DSD256 - Audiophonics
USB to SPDIF Toslink Optical Converter DTS Ac3 24bit 96khz Windows Mac Audio DAC for sale online | eBay
LONGON USB 3.1 Type C Active Optical Fiber Cable Lightspeed Compatible
Price history & Review on Reiyin DAC USB-C to Toslink Optical 3.5mm Headset 192kHz 24bit Audio Adapter PC Sound Card | AliExpress Seller - Reiyin Global Store | Alitools.io