13,34 EUR
Digitus USB Type-C Audio Adapter
0.20 m, 3.5mm jack (AUX)
Digitus USB Type-C Audio Adapter
0.20 m, 3.5mm jack (AUX)
If the the USB-C of your GoPro is also a audio output then it should work. But if its just a Charging Port, then it will not work.
Better chek the manuals of your GoPro, im sure you also find the answer, if you google it