On portable Mac computers with Apple silicon, new USB and Thunderbolt accessories require user approval before the accessory can communicate with macOS for connections wired directly to the USB-C port. This doesn't apply to power adapters, standalone displays, or connections to an approved hub. Devices can still charge if you choose Don't Allow.
You will see the below image when connecting Satechi USB-C devices:
You can change the security configuration in the following settings:
System Settings >
Privacy & Security >
Security. The initial configuration is Ask for new accessories.
Approved devices can connect to a locked Mac for up to three days.
Accessories attached during software updates from prior versions of macOS are allowed automatically. New accessories attached prior to rebooting the Mac might enumerate and function, but won't be remembered until connected to an unlocked Mac and explicitly approved