yes, i have my laptop connected only via USB-C port and it works perfectly.

That works perfectly. Just one more cable. Ingenious

Yes, it works.

Go!

Exactly.

Yes exactly, the power supply via USB-C worked for my M1 MacBook Pro.

Hello,
Unfortunately I have no idea.
Sorry for the inconvenience.
JK

Hi, I bought this monitor for my girlfriend. As far as I know it runs on her laptop with HDMI and separate power supply. She does not use USB-C. Unfortunately, I can't say whether it's enough for the power supply. But I can't really imagine. Hope this helps. Greetings