POS Keyboard with Cubase (Tipro, X-Keys,...)

Anyone using a so called POS-Keyboard in conjunction with Cubase?
If so, which one? And is it working flawlessly?
Im looking at one by a firm called TIPRO.
As far as i understand it you can use these besides your regular keyboard.

Greetings
Moodstarrr

POS = Piece of Sh1t?