Q:What kind of laptops does it support?
A: Compatible Models: Apple MacBook Pro 13''/15'', Apple MacBook 12'', HP Spectre 13, Hua Wei Matebook 2016, Microsoft Lumia 950/950XL,etc.
Incompatible Models: MacBook Air, any laptops without Type-C USB ports.
Q: Can the Type-C port be used for power pass-through and data transfer?
A: The Type-C port supports PD charging and data exchange(read/write) between type c USB 3.0 storage device. Need the Type-C ports of laptops support QC charging protocol. For instance some Type-C ports on MacBook Pro have no charging function, so when the USB-C HUB connects to the port, the HUB cannot support power pass-through.
Q: To power my laptop with the HUB, do I need to buy a wall plug usb-c power adapter or is it included? if i need to buy a wall plug, what are the specs?
A: No, just plug the USB-C power adapter that came with your MacBook Pro or other laptops into the Type-C Hub.
Q: Is it required for the hub to be plugged in to an electrical outlet to use it for usb splitter or even HDMI?
A: No external power is required for the adapter. It draws it from your laptop.
Q: Is it normal for the unit getting hot? Whether it will be poor contact or not?
A: When transfer data or charge USB devices through the HUB, it will generate heat, but not hot, it will not affect the normal use. And the port is a standard Type-C port, stable but without lock, so it will be loose under the violent pull. So please plug and unplug it correctly, to ensure the product's stability and service life.