OVERVIEW: Attach the Nokia Treasure Tag to your important possessions, and it will notify you when you are about to leave them behind. The treasure tag works best with Lumia Black software, so Nokia recommends updating your Lumia smartphone to get the most out of your Nokia Treasure Tag. Pair up to four tags to keep track of your most important belongings by pairing and customizing up to four Treasure Tags with the same app. You can download the Treasure Tag app from the Windows Phone Store....