Smart Ring, No Charge and Depth Waterproof Universal Wear Smart Ring, Magic Wearable Device Universal Ring for Mobile Phone, NFC Smart Rings(size11)
- Through the NFC radio frequency communication technology and mobile phone connection to the mobile phone function operation and sharing of data..
- No charge / depth waterproof, built-in ultra-sensitive NFC chip, no electricity to work, easy to wear..
- Multi-functional NFC smart ring, the main function is to store and exchange personal information, as well as mobile content and personal privacy encryption unlock..
- 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 personal privacy..