The j5create USB-C modular mini dock is a versatile hub featuring video, data storage and charging all in one. The Main Body HDMI supports resolutions up to 4K @ 30 Hz, two USB Type-A Gen 1 ports support up to 5Gbps for data transfer, USB-C female on the long side provides power delivery of 100W for charging a notebook or MacBook, and the other USB-C female at the short end provides Gen 15Gbps for data transfer. The amazing thing is it includes five detachable small adapters (Kits) to extend out different functions: USB-C to HDMI/VGA/mini DisplayPort/Gigabit Ethernet/SD & microSD 3.0.p