I don't speak Dutch, but according to Google Translate: "my USB stick does not fit in my new Audi Q3 which adapter do I need".
2022 Audi Q3 has both USB-C and regular USB (Type-A) ports in the center console. See picture:
You can plug in your flash drive to the regular USB port.
It is possible your local Audi Q3 model doesn't have regular USB port, in that case it will have USB-C ports, as its becoming a new standard. You will need USB-C to USB Type A adapter like this:
