It is input through USB-C (video is USB-C on the left, USB-C on the right is just for power supply), and through HDMI, it can also work normally.
Although I mainly want to use it as the second monitor in the office, I can plug it into my Samsung Galaxy S8 when I travel. Due to the magic of DeX (pictured), my phone becomes a computer! I can edit documents, spreadsheets, browse the web, and browse videos. I can edit documents, spreadsheets, browse the web, watch videos, everything I need to do without having to carry an extra expensive and fragile computer. The display is very easy to use, I only need to bring a portable keyboard and mouse to complete this set of equipment. My files are in the cloud, so I can access everything from my mobile phone anywhere in the world, I only need a local SIM card!