NFC stainless steel ring

Material: Stainless steel Process: polishing
Size: 8mm
Colour: steel, black 

NFC smart ring application supports the Android mobile phone's NFC function. 

 Product Description: This smart ring is a stylish wearable electronic product that uses NFC wireless RF communication technology to connect with mobile phones to operate and share data. It does not need any power supply and has high-grade waterproof performance. The ring has a built-in NFC chip. You need to have the nfc function on your phone to use it.

2. Specific operation: Smart ring realises the screen unlock by touching the NFC signal area of the mobile phone; application lock; quick start application; sending read business card, website information and other functions.   

Three. Instructions for use :
(1) First, check whether the mobile phone has an NFC function. Usually, the NFC switch is in the mobile phone's system setting. If the user does not find the NFC function and other options, please contact the mobile phone manufacturer for sale or search Baidu for the corresponding mobile phone model with an NFC function. Then, confirm the mobile phone's NFC signal area. 
(2) If the mobile phone has the NFC function, after opening the NFC switch, search for the software about the NFC function in the application software market, download the installation, and follow the prompts on the software.
(3) Open the downloaded NFC software and follow the prompts in the software. 
(4) Because NFC is a near-field communication technology, when reading any task, please ensure that the position of the ring chip is close to the signal area of the mobile phone NFC; otherwise, it may cause normal reading and writing. Then, according to the mobile phone app, the function operation settings, matching, and establishing a shortcut function application.
(5) Support NFC function intelligent fingerprint password lock, NFC smart attendance, need to match, write label information or number synchronisation can be used.