We've tried 6 women's health gadgets, so you don't have to

Telegraph.co.ukWe've tried 6 women's health gadgets, so you don't have toTelegraph.co.ukReview: Though it looks more like a piece of bling than a health gadget, this sparkly rock actually contains hundreds of tiny UV sensors, designed to monitor the wearer's exposure to the sun. Hooked up to your smartphone via bluetooth (there is a USB ...