Product description  :

Universal Wear Finger, Magic Device, Portable Device, Universal for Mobile Phone(Size13).

• Through NFC radio frequency communication technology and mobile phone connection to mobile phone function and data exchange.
• No load / depth waterproof, built-in ultra-sensitive NFC chip, no electricity to work, easy to use.
• Multifunctional NFC smart ring, the main function is to store and exchange personal information, as well as unlock privacy encryption and mobile content.
• Lock/unlock the program, select the app you want to lock/unlock, type the smart doorbell, only the doorbell touch the phone to start the app, to protect personal privacy.
• Beautiful appearance, easy to use.
  LLC and is subject to their terms and conditions.Instructions for use:
  1. First, check whether your smartphone has NFC function. It can usually be found in the system settings. If relevant options are not found,
  Contact the manufacturer’s after-sales support or Google if the smartphone model has NFC function and confirm your NFC area.
  2. If your smartphone has NFC function, turn on the NFC switch, search the application for the software that applies NFC, download and install them.
  3. Launch the NFC application, perform the actions according to the instructions.
  4. Since NFC is a near-field communication technology, be sure to place the top side of the ring chip near the NFC area when reading any information to avoid reading and writing failures.