Does it support vesa mounting?
Yes. VESA holes on the back. VESA Size 75x75mm, Screw Size M3x4mm.
It says "no signal", what to do?
1. When connecting with a USB-C cable, make sure your device supports USB3.1./Thunderbolt 3. If not, please add a Mini HDMI to HDMI cable for signal transmission.
2. Please try another device. If it still fails, please tell us for a replacement.
Is the screen glossy or matte?
The screen of this 2K 120Hz portable monitor is matte.
Cant get 2k or 120Hz when connected to my Xbox series X/S?
You can set it manually in Xbox. The operation steps are as follows:
Settings > General > TV & Display Options > Video Fidelity & Overscan > Display, select HDMI, then return to the previous interface, and you can select 2K or 120Hz in the display.