We’ll never get a universal cable.
That's fine for connecting various devices (including chargers) but don't count on being able to plug in a monitor or slot in an SD card here. That's hardly surprising when the Ugreen USB-C 4 port ...
The idea of this monitor is that you plug the USB-C cable into your laptop, and it handles everything – you get power to charge the laptop, and the same cable handles video and other accessories.
This docking station connects to your laptop with a single USB-C cable, and gives you access ... choose between HDMI and DisplayPort for each monitor. Ultimately, if you can stretch to the price ...