Used for some years now, I have nothing negative to say.
I have other controllers that have cost me around the same price and will as well.
2 or 3 small + anyway:
The pluses are its simplicity and its interface: large panel cross with long, light and practical design ("flower"), and clock (which allows to know the time: stupid but thinking about it true that it is very convenient!
Can work with internal or external mic jack (6.35) or programming simple: each channel in turn,
Price / quality ratio interresting but not transcendent