I have both the MX Keys and MX Master 3 Mouse on my Mac Mini, system is macOS 11.6 Big Sur.

When I connect both of them to the computer using the USB, they both show INACTIVE in Option+ for some reason.

I connected both of them via Bluetooth, only the Keys dropped the connection and yet the Mouse.

I was wondering how to connect them all with the USB adapters. It seems they have some kind of interference with each other.

I hope you guys can look into this issue.

Thank you!