It's okay if you don't have a 3.5mm earphone microphone terminal. "Pixel USB-C earphone" & "3.5mm conversion adapter"

Opening the "Google Pixel USB-C earphone" package that can be connected to the USB Type-C external connection terminal. There is a remote control with a built-in microphone in the middle of the cable whose mounting method is described on the door part, and it is possible to adjust the volume etc. Press and hold the black button to access Google Assistant

Looking at the earphone part from the outside. A view from the inside of the earphone with the "G" mark. Next to the seven holes in the center, it is attached to the ears where "L" and "R" representing left and right are printed. the mic is on the right

Opening the "Google USB-C to 3.5 mm Adapter" package with a built-in DAC If the earphone microphone you want to use has a 3.5 mm earphone plug, you can use it for calls by connecting it like this