KIKYO Smart Ring, Built-in Ultra Sensitive NFC Chip, Metal Material Smart Ring NFC Easy to Use for Mobile Phone

Through NFC radio frequency communication technology and cell phone connection to cell phone function operation and data exchange.
No water-resistant load/depth, built-in ultra-sensitive NFC chip, no electricity to work, easy to make use of.
Beautiful appearance, easy to make use of.
Lock/unlock this system, choose the application you wish to have to fasten/unlock, type the smart ring, just the ring touch the phone to launch the app, to offer protection to personal privacy.
NFC multifunctional smart ring, the primary function is to store and exchange personal information, in addition to mobile content and personal privacy encryption unlock.