The Prince Link (プリンスリンク Purinsu Rinku?) is a transformation device used in CureKurogane's 2015 magical boy series Happy! Prince PreCure. It strongly resembles a large smartphones, that allows to access the powers of the Royal Jewel Keys.


The Prince Link itself is powered by Royal Jewel Keys from the Pegasus Kingdom. To transform, the boys push the large button as a respective shape of their gemstone, and they shout out "Pretty Cure! Prince Royal Switch!" as they insert and turn their Prince Keys in their Links, emtting magical energy, which engulf their bodies, changing them into their Cure forms.



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