MacBook Neo Can Only Drive One External Display at 4K 60Hz

Apple's new low-cost MacBook Neo is equipped with the A18 Pro chip that Apple first used in the iPhone 16 Pro, and it's the ...

MacBook Neo external display support is remarkably similar to iPhone & M1

Apple's new MacBook Neo can connect to an external monitor, but its native display support shows exactly where Apple positions the machine in its Mac lineup.
iThinkDifferent

MacBook Neo works with Studio Display but limited to 4K

MacBook Neo supports external monitors but can only output one display at 4K 60Hz, even when connected to Apple’s 5K.

MacBook Neo will warn you if you plug a display into the wrong USB-C port

As for what happens if you try to connect a display over the USB 2 port, Apple tells John Gruber at Daring Fireball that macOS will warn you that you’re using the wrong USB-C port.
TechRepublic

How to Configure a Second Display on a Mac

Learn how to configure a second display on a Mac to expand your workspace and increase productivity with this step-by-step guide. Adding a second display to a Mac is typically a straightforward task.