Even at this low price, you get the premium finish of Stein/Focalink ocarinas. The glaze is very smooth and sturdy, and the tuning is solid.
The breath curve could be better, in particular the high steps are larger than linear, and the sub-hole low pitches are very quiet. The ocarina is also relatively heavy for a 12-hole alto C.
There are better-sounding cheap ocarinas out there, but they are much harder to purchase, and the finish quality won't be nearly as good.