From a processing perspective, it also acts rather cheap.
A major problem is that the keys sensitivity is much too weak. If you want to use VST plug-ins with pitch and modulation (or other controls) then you have to select the Midi channel directly in the plugin.
The pressure strength of the key is removed from the plugin but directly from the keyboard and is therefore extremely weak.
Everything is very quiet and especially dull.
If you completely dispense with the controls, but it is possible that you distorted in the settings, the velocity curve, as you need them, but then you can instead just use only the buttons and no control and not even pitch and mod wheels.
MIDI assignments are possible yet for all controls, but that's a lot of work and I'm not sure if you all then can use multiple VST plug-ins, or whether one would then all be controlled simultaneously.
Clearly no buy recommendation for FL Studio users !!!