I have the same issue with the same remote when paired to Debian.
The hwdb provided by chewitt on post #5 will change what events evtest sees.
Under no circumstances does Kodi see any input from this remote, debug log never triggers "HandleKey".
At the same time Kodi only ever sees the device "Zidoo-V12 Remote Mouse" and not the Keyboard.
A FireTV remote will pair and work normally though so at least I know in general that bluetooth and bluetooth remotes work.
The only place I can get this remote to work is under CoreELEC and I don't know why.
I suspect there is a classification problem in the device type or there is some permission issue.
All I have are suspicions though as I haven't been able to fix it.
I posted about this on the Kodi forum 21 days ago to be met with the usual silence or vague declarations of what to use instead.
Slightly off topic as this has to do with this remote when used with linux but not necessarily LibreELEC.