Titanium Steel Smart Ring NFC Ring Smart Door Lock File Lock Transfer File Mobile Payment Screen Unlock App Lock

This ring is a high-tech smart ring with an Ntag213 chip, which can be set to open smart door locks, recharge cards, unlock smartphones, lock important files on the phone, transfer files with one key, etc., and support NFC.
Specific operation: the smart ring unlocks the screen by touching the NFC signal area of the mobile phone; locks the application; quickly starts the application; sends and reads the business card, website information and other functions.
Instructions for use:
(1) First, please check whether the mobile phone has NFC function, usually the mobile phone NFC switch is in the system settings of the mobile phone, if the user does not find the mobile phone NFC function and other options, please contact the mobile phone manufacturer after sales or Baidu search whether the corresponding mobile phone model has NFC function, And confirm the mobile phone NFC signal area.
(2) If the mobile phone has the NFC function, after turning on the NFC switch, search for software related to the NFC function in the application software market, download and install it, and operate according to the prompts on the software.
(3) Open the downloaded nfc software and operate according to the prompts on the software.
(4) Since NFC belongs to near-field communication, when reading any tasks, please make sure that the chip of the ring is in the right position and close to the NFC signal area of the mobile phone, otherwise it may cause failure to read and write normally.