If you can see the “sellers shop name” you should be able to click on that, and then contact them. It should be near the “add to cart” area of the screen possibly after “Sold by:” or “Customer Service:” or something like that.
USB 1.0 to 3.0(5Gbps version) all are have 1 wire power supply.
QC <= 3.0 support 36W max on this port. And, VF2 support QC 2.0 .
But I do not known which USB “splitter” support QC output. I have a USB splitter(support HDMI/USB/Net/3.5mm sound) support PD power output.