Material: titanium steel, NFC chip
This ring is a high-tech smart ring, the chip is Ntag213 chip, can be set to open the smart door lock, card recharge, smartphone unlock, important file lock of mobile phone, one-click file transfer, etc.
Specific operation: Smart ring realizes screen unlocking by touching the NFC signal area of mobile phone; application lock; quick launch application; sending read business card, website information, and other functions.
Need to download the "NFC Tools PRO 4.0" app, Google searches, and download.
Metal Type: Alloy
Package Contents: 1 x Ring