In addition to the Q-link. The site claims you will have more energy, less stress, etc. Interestingly, it never says what problems people have that it can cure. I believe this is for legal reasons. All they really say is about how these metals are supposed th create harmonic balance.
There is a lot of refrence to titanium. In my opinion this is part of the gimmick, because new uses for titanium have been discovered, it sounds cool and hi-tech. So when you take a piece of jewlery made out of something like nickel, most people probablly wouldn't take a second look at it, but if you make it out of something like titanium, and add some fancy worded spiel about the product and its health improving qualities, more people will pay high prices for it.