A:AnswerNot directly to the monitor, this unit does not have a USB port. You can connect a camera to your laptop. https://www.asus.com/us/Monitors/TUF-GAMING-VG249Q/specifications/
A:AnswerOnly certain games can run 120fps/120hz. Make sure you enable Performance mode and you should be able to see an option to change your refresh rate on the game you're playing.