Three.0 I like Helzberg's, but I don't like that they don't warranty their products for almost any length of your time Except you pay further for the lifetime guarantee. I bought my granddaughter an "H" necklace & a lot less than three months afterwards, the chain clasp broke. I'd read https://beautbxjp.blogunok.com/32024778/charm-pandora-jewelry-can-be-fun-for-anyone