wireless keyboard/mouse are plug and play device...you get a small dongle which you can plug in the usb port and it starts working no pairing and no software installation is required it generally operates at 2.4 GHz band. It works in bios and also while installing the os. This doesn't require any active wireless network. It has its own
Bluetooth keyboard/mouse needs to be paired with the device and it may not work in bios or while installing the os. This requires active Bluetooth connection