Multifunctional black ceramic material RFID smart ring for door lock key business card

Product description: 

This smart ring is a fashionable wearable electronic product that connects to a mobile phone through NFC wireless radio frequency communication technology 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. You need your phone to have the nfc function to use it.

Specific operations: 

The smart ring realizes screen unlocking, application locking, quick launching of applications, sending and reading business cards, website information and other functions by touching the NFC signal area of the phone.

Instructions for use:

(1) Check whether the mobile phone has NFC function. Usually the NFC switch of the mobile phone is in the system settings of the mobile phone. If the user does not find options such as the NFC function of the mobile phone, please contact the after-sales service of the mobile phone manufacturer or search on Baidu to see if the corresponding mobile phone model has NFC function, and Confirm the mobile phone NFC signal area.

(2) If the mobile phone has NFC function, after turning on the NFC switch, search for software about 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 problems. Then according to the mobile APP, function operation settings, matching, and establishment of shortcut function applications.

(5) Supports NFC function smart fingerprint password lock, NFC smart attendance, needs to be matched, written tag information or number synchronization can be used.