⭐ Notes ⭐
◆ Before purchasing a ring, please ensure that your phone supports NFC functionality.
◆We recommend using the "Linktree" app for reference only, as electronic business card apps are required. Other apps can also be used.
◆Although this ring has certain waterproof and anti drop properties, try not to let it soak in water for a long time and avoid frequent bumps.

⭐ Product Parameters ⭐
【Product Name】NFC Smart Ring
【Chip】NTAG215
【Frequency 】13.56mHz
【Material 】Zirconia ceramic
【Color】Black
【Size 】US6 #, 7 #, 8 #, 9 #, 10 #, 11 #, 12#
【Function】It can write digital business cards, mobile quick commands, emergency rescue information, and instant sharing.
【Erasable times】>100000 times
【Storage time】10 years