A. The Slim Multi-Port Adapter has a few less ports than the full-size Multi-Port Adapter. The Slim includes 1x Type-C pass-through charging port, 2x USB-A ports, and 1x HDMI port. 

The Multi-Port adapter includes 1x Type-C pass-through charging port, 3x USB-A ports, an Ethernet port, an HDMI port, and Micro/SD card slots. 

Both adapters include a short Type-C cable to attach to a Thunderbolt 3 (USB-C) port.