There are many symbols that identify a USB-C port on a laptop as a charging port. In practice, however, you will usually only find the Thunderbolt lightning bolt (at the bottom) on the housing.
They usually offer more advanced display options than USB-C docks. USB-C docks have a lesser data-transfer rate of between 5Gbps and 10Gbps but are usually cheaper and will suit many people as ...
There may be a “new” version of the AirPods Max at the Apple Store, but the only thing different is the USB-C port, which can’t be used to listen in wired mode like the Lightning model.