You can use two apple Bluetooth keyboards on one device.
https://symboliclogic.io/years-of-pain-solved-by-really-obvi...
It requires an tray app called Karabiner Elements to link the function keys across keyboards.
https://symboliclogic.io/years-of-pain-solved-by-really-obvi...
It requires an tray app called Karabiner Elements to link the function keys across keyboards.