Tbest NFC Multi-function Smart Ring - Size 11 Waterproof

1. Through NFC radio frequency communication technology and mobile phone connection to mobile phone function and data sharing. 2. No charging / depth waterproof, built-in ultra-sensitive NFC chip, no electricity to work, easy to carry. 3. Multifunctional NFC smart ring, the main function is to store and exchange personal information, as well as mobile content and unlock privacy encryption. 4. Lock/unlock the program, select the app you want to lock/unlock, write the smart ring, only the ring touches the phone to start the app, to protect your privacy. 5. Beautiful appearance, easy to use. Features: Features: 1. Through NFC radio frequency communication technology and mobile phone connection to mobile phone function and data sharing. 2. No charging / depth waterproof, built-in ultra-sensitive NFC chip, no electricity to work, easy to carry. 3. Multifunctional NFC smart ring, the main function is to store and exchange personal information, as well as mobile content and unlock privacy encryption. 4. Lock/unlock the program, select the app you want to lock/unlock, write the smart ring, only the ring touches the phone to start the app, to protect your privacy. 5. Beautiful appearance, easy to use. Features: Material: metal. Size: about 4 x 5 x 0.5 cm. Product Name: NFC Multi-function Smart Ring Size: 6", 8", 9.6", 10", 12", 12", 13 Package includes: 1 x Smart Ring Directions for use: 1. First, check if your smartphone has NFC function. It is usually found in the system settings. If no relevant options are found, contact the manufacturer's after-sales support, or find out if the smartphone model has NFC function and confirm its NFC area. 2. If your smartphone has NFC function, turn on the NFC switch, search your app for the software that applies NFC, download and