USB C is just the connector. The functionality is subject to the cable itself. Sounds stupid, but it is what it is. There should be a tiny symbol on the conne

USB C is just the connector. The functionality is subject to the cable itself. Sounds stupid, but it is what it is. There should be a tiny symbol on the connector, giving you exactly this information. Looking through my USB C cable some of them actually have it. Most have no information on them. I can not look up the IEC norm at the moment, but I'm sure they forgot about that little detail.