The smart magic ring is a wearable gadgets components, operate the mobile function and share the data by NFC wireless frequency communication technology , the functions of the advanced design as following: APP lock, Automatic Running, APP hide, Share business card, Share internet link, Share the text and Share online file. The product shape is designed according to the international popular elements, created by the pure medical titanium, no need to charge, high waterproof, and suitable for any...