What are wired audio modes and how do I use them?

Wired Audio (Analog):

Plug the Provided USB-C to 3.5mm cable into the headphone USB-C input to engage analog wired audio.

Your headphones will power off when the audio cable is plugged in. Analog wired audio will work even if battery is depleted. Note that the microphone and buttons are disabled during passive (analog) mode.

Wired Audio (Digital):

Plug the provided USB-C to USB-C cable into the headphone USB-C input to engage digital usb wired audio up to 24-bit / 96kHz. Headphones will automatically power on if the device supports digital audio

The microphone will work for phone calls when plugged in.