With a super cool ring design， the Atongm Galaring Aluminum Smart NFC Ring offers much more than you can think of. It is actually a tiny NFC-enabled wearable device that stores your identity. In this way， you can use it for app encryption and to edit business card via the app. Simply touch the NFC induction area with the ring， and then all finished information will be written into this smart ring. Crafted from high-grade aluminum， it resists daily wear for added durability. Don’t hesitate any more!                                    Features             Super cool ring design， tiny and lightweight<br> NFC-enabled wearable device<br> Designed for app encryption and edit of business cards via the app<br> Simply touch the NFC induction area with the ring to write information into it<br> Crafted from high-grade aluminum， durable and wear-resistant   <br>                                                            Specifications             Material     Aluminum    <br> Size     20    <br> Color     Black    <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<br>