The MK3-USB-C allows the following products to connect to a computer with USB-C interface for configuration and firmware updates:
Multi, MultiGrid, MultiPlus, MultiPlus-II, Quattro, Inverter/Charger settings in ECOmulti, EasySolar, EasyPlus, and Inverters with a VE.Bus communication port.
Also requires a RJ45 Network cable to connect to the VE.Bus port.
Tested with Samsung Android phones so you can run Victron Connect app and use your phone to perform configutrations. Note not all android phones work.