NFC smart ring wearable smart phone device cross-border hot selling smart jewelry

Material: titanium steel
Style: Technology
Item No.: JWR341
Shape: Letters/Numbers/Text
Treatment process: dripping oil
Applicable gift-giving occasions: holiday
Packaging: Individually packed
Style: Unisex
Inlay material: NFC white card NTAG213 chip
Color: blue, black, gold, seven colors, rose gold, 7*7 ring box
Size: No. 6, No. 7, No. 8, No. 9, No. 10, No. 11, No. 12, No. 13
This ring is a high-tech smart ring, the chip is Ntag213 chip, can be set to open the smart door lock, card recharge, smart
Mobile phone unlocking, mobile phone important file lock,-key to transfer files, etc., support NFC can be used