Q1. Is this USB C HUB compatible with all Type-C devices?
DOCKTECK USB-C expansion hub fits for MacBook Pro, MacBook Air, Mac mini, iPad Pro, Tinkpad, Surface, Samsung, HP, Chromebook, DELL XPS etc.
Q2. Does this USB C HUB get hot?
When the macbook pro adapter is working at full load, the highest temperature can reach about 110.84 ℉ (43.8 ℃) and there will be no safety problem, the hub still works normally.
Q3. Does the USB 3.0 port support charging?
Yes, you can use the USB-A port to charge your cellphone, but it will be slow(5V 0.9A). The USB port is primarily intended for data transfer and does not support high charging power.