How to connect 2 external non Apple monitors with 13" MacBook Pro 2017
To get two external monitors on your 13&quot; MacBook Pro, you need

a video adapter that supports pass-through charging
a Type C DisplayPort cable

Both displays can support 4K at 60Hz.  From Apple's technical specifications page:

Video Support
Simultaneously supports full native resolution on the built-in display at millions of colors and:

One display with 5120-by-2880 resolution at 60Hz at over a billion colors

Up to two displays with 4096-by-2304 resolution at 60Hz at millions of colors

Up to two displays with 3840-by-2160 resolution at 60Hz at over a billion colors