Hello WMMacster! Most keyboards and mouses can be used with the Mac mini by connecting them using the USB port. For Bluetooth devices, connect the USB dongle to the Mac mini using the USB port. - Gregory from Logitech
Hello Black! The MK380 Multi-Device for Mac is Bluetooth-enabled and connects to all your Apple devices—so you can work seamlessly on macOS, iOS and iPadOS. - Gregory from Logitech
Hello RB231, The USB Unifying Receiver that the MK320 uses delivers a fast, reliable, and secure connection using 128-bit AES keyboard encryption even in the busiest wireless environments. - Richard from Logitech