No, it does not have USB-C port. It has only two HDMI and one display port.

Yes, it supports OnScreen Control, i.e. via software. You can open up to eight windows simultaneously from one device. What it cannot do is display several inputs simultaneously via the hardware.

The screen can be mounted on the wall as it has a VESA mount with 100 x 100 mm support.

Theoretically, the screen could also be set up without a base.

Yes, the monitor also supports USB-C with DisplayPort ALT Mode for less cable clutter.

Here are the answers to your questions: a) The monitor supports a VESA mount with a size of 100 x 100 mm, not 10 x 10 mm. b) This monitor does not support charging and video via USB-C. It includes connections such as DisplayPort and HDMI but lacks USB-C functionality.

Yes, power cable, HDMI cable and Displayport cable are included. So everything you need.

Various cables are included. USB-C to USB-C or HDMI is certainly included.

Switzerland

Yes, but MacOS sometimes has problems with these wide resolutions: https://www.reddit.com/r/MacOS/comments/113brtc/tip_for_if_youre_using_3440x1440_displays_with/?rdt=45466 Ultrawides are of course very suitable for productivity / office.

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

Hello, this is Bing. According to the product information sheet1, the Ultrawide 35WN75CP-B LG monitor does not support Picture by Picture (PBP) or Picture in Picture (PIP) modes. Habe das auf meinen Monitoren überprüft, da gibt es keine solche Einstellung.