More ideas from jamesscholz
The HyperDrive USB-C adapter adds useful ports to the MacBook Pro.

HyperDrive USB Type-C Hub for Select Apple MacBook Laptops: Compatible with Apple MacBook Pro and Apple MacBook up to 50 Gbps bandwidth; USB-C port; SD and microSD card slots

useful chart if you're ever in need, or if your having one of those "What port is that" moment.

Port - Most input/output devices are outside the computer case. These devices communicate with components inside the computer case through a wireless connection or through pcables attatched to the case at a connection called a port. (Chad G.