This little cable has a built in DAC/Amp for those without a headphone jack.
SHURE - USB-C Earphone Communication Cable
USB-C Earphone Communication Cable with microphone and controls for Shure Sound Isolating™ Earphones featuring direct connection to Android devices with a mini-USB. Integrated DAC/Headphone Amp for 24-bit/96 kHz digital audio. The inline microphone and remote ensures clarity for calls and voice prompts, and provides volume and playback control.