Look at this Atongm Galaring NFC Aluminum Smart Ring NO.17 Black we are now offering here. It is not a simple ring for decoration; indeed， this ring is a smart functional ring which is relevant to smart phone application. With such a powerful gadget， you will easily deal with the app encryption of your cellphone. And you can edit your business card via the app. After that， touch the NFC induction area with the ring， and all finished information will be written into the smart ring. This ring is made of superior aluminum material， of great durability and reliability. You can trustingly use it!                                    Features            Adopt premium aluminum material， durable and reliableIt is a powerful smart ring; will help you do a lot of great thingsYou can use the ring to edit your business card and do the app encryptionTouch the NFC induction area， and the finished information will be written into the ringOnce you want to exchange your business card with others， simply touch the NFC induction area of one’s cellphone with the ringCompact size， easy to wear and operateA high-tech product popularly accepted by people all over the world                                                            Specifications            Model    17    <br>Color    Black    <br>Material    Aluminum    <br>Dimensions    (0.55 x 0.94)" / (1.4 x 2.4)cm (H x Dia.)    <br>Weight    0.21oz / 6g    <br>                                                            Package Includes            1 x Smart Ring