About USB-C Dongles and Hubs
From the product description at Amazon for Lenovo USB C Hub, Aluminum Type C Hub Adapter for MacBook Pro 13" and 15" 2016/2017, Thunderbolt 3 Port, USB-C Port, SD and Micro SD/TF Card Reader and 2 USB 3.0 Ports, Grey it states:


  The Thunderbolt 3 USB-C port supports data transfer, video output, and charging while the standard USB-C port only supports data transfer and does not support USB-C video output or USB-C charging.


BTW The port with the lighting icon is the port referenced in what's quoted above.

Other mentioned product description/specifications include:


  
  Color:Grey
  This 6-in-1 Lenovo USB Type-C Hub expands your 2016/2017 MacBook Pro capabilities while on-the-go. 
  This adapter only applies to 2016/2017 MacBook Pro 13‘’and 15‘’. 
  Only one hub is included, power adapters, SD/TF memory cards, cables or other accessories are not included. 
  The Thunderbolt 3 USB-C port supports data transfer, video output, and charging while the standard USB-C port only supports data transfer
  and does not support USB-C video output or USB-C charging. 
  Compatible displays and cables are required to achieve maximum video resolution.
  One USB-A port supports a charging output of up to DC5V/900mAh and two USB-A ports support a total charging output of DC5V/1.5A. USB-A
  port is not recommended for charging.
  SD and TF card slots can be used simultaneously.
  Specifications:
  Brand: Lenovo
  Product Type:USB C Hub
  Model: C608
  Interface:USB 3.0 Type-A port，Thunderbolt 3 USB-C port，Standard USB-C port，SD/TF card slot
  Tips
  For best performance, devices connected to this hub should not exceed total current of 900mA maximum. Otherwise, output current may
  become unstable or disconnected.
  Below devices are often rated as follows for your reference:
  Mouse: 100mAPortable hard disk: Max. 500mA
  USB 3.0 portable hard disk: Max. 900mA
  Keyboard: Max. 500mA
  
  
  Please double check the current of your devices before connecting to
  the hub.