NFC smart ring application APP; support the use of NFC function of Android mobile phones;Product description: This smart ring is a fashionable wearable electronic product that uses nfc wireless radio frequency communication technology to connect with mobile phones to operate mobile phone functions and share data. It does not require any power supply and has high-level waterproof performance. The ring has a built-in nfc chip, Requires mobile phone with nfc function to use it,two.Specific operations: The smart ring can unlock the screen by touching the nfc signal area of the mobile phone; lock the application; quickly start the application; send and read business cards, website information and other functions.3. Instructions for use:(1) Clearly 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 to 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 the software about 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) Because nfc belongs to near field communication, when reading any task, please make sure that the ring chip is facing the eye and close to the nfc signal area of the mobile phone, otherwise it may cause normal reading and writing. Then according to the mobile phone APP, function operation settings, matching, and establishing a shortcut function application.(5) Support NFC function smart fingerprint password lock, NFC smart attendance, need to match, write tag information or number synchronization can be used
