Stainless Steel Metal NFC Ntag216 Ring Programmable 888 Byte For Men And Women Wedding Ring,Can Write Anniversary Data 

⭐ Notes ⭐ Due to the metal material of the ring, it can interfere with NFC signals, so we have designed a small gap. But it does not affect normal use and wearing. Although this ring is marked with waterproof and anti drop features, try not to let it soak in water for a long time and frequently bump. ⭐ Product Parameters ⭐ 【Product Name】Stainless steel NFC ring 【Chip】Ntag216 【Frequency】13.56mHz 【Material】Stainless steel 【Color】black 【Dimensions】7#,8#,10#,11# 【Rewrite count】>100000 times 【Storage time】10 years 【Features】Smart home, WIFI and Bluetooth sharing, electronic business card, Access control,etc