Tbest NFC Ring - Size 9

1. Through NFC radio frequency communication technology and mobile phone connection to mobile phone function operation and exchange data. 2. No charge/depth waterproof, built-in ultra-sensitive NFC chip, no power to work, easy to carry. 3. Multifunctional NFC Smart Ring The main function is to store and exchange personal information, as well as unlock mobile content and personal privacy encryption. 4. Lock/unlock the program, select the application you want to lock/unlock, write the smart ring, only the ring touch the phone to start the application to protect privacy. 5. Beautiful appearance, easy to use. Specifications: Feature: 1. Through NFC radio frequency communication technology and mobile phone connection to mobile phone function operation and exchange data. 2. No charge/depth waterproof, built-in ultra-sensitive NFC chip, no power to work, easy to carry. 3. Multifunctional NFC Smart Ring The main function is to store and exchange personal information, as well as unlock mobile content and personal privacy encryption. 4. Lock/unlock the program, select the application you want to lock/unlock, write the smart ring, only the ring touch the phone to start the application to protect privacy. 5. Beautiful appearance, easy to use. Product Features: Material: Metal Size: approx. 4 x 5 x 0.5 cm. Product Name: NFC Multifunction Smart Ring Size: 6/7/8/9/10/11/12/13 inch Package includes: 1 x Smart Ring How to use: 1. First, check if your smartphone has NFC function. You can usually find it in the system settings. If no relevant options are found, Contact support after sales from the manufacturer, or search if the smartphone model has NFC function and confirm its NFC range. 2. If your smartphone has NFC function, turn on the NFC switch, search your app for the software that applies NFC, download and