Multifunctional NFC Smart Ring,Magic Wearable Universal Wear Finger Digital Ring for Android Windows Mobile Phone(Size 11) Lamps & Light Fixtures Cookie and cake on the

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Multifunctional NFC Smart Ring,Magic Wearable Universal Wear Finger Digital Ring for Android Windows Mobile Phone(Size 11) Lamps & Light Fixtures Cookie and cake on theThrough the nfc radio frequency communication technology and mobile phone connection to the mobile phone function operation and sharing of data. Smart ring by touching the phone nfc signal area, to achieve the screen to unlock; application lock; quick start application; send read business cards, URL information and other functions. Multi functional NFC smart ring, the main function is to store and exchange personal information, as well as mobile