They were perfectly functional last time they were used, but were lent to s.o. who traveled backbto the US with the mini-dongle in their laptop!
So, no dongle.
However some say these might still work via Bluetooth.
Or with another dongle?
If you can make use of them, you are very welcome to the lot.
Wireless keyboard and mouse (Barnard's Green WR14)
This offer has been gifted to someone and is no longer available.