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Instructions for use: (1) first ,please confirm your phone with NFC function (2) If your smart phone with nfc function, open the nfc switch, then down

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Description The NFC Ring can be used to unlock doors, mobile phones, transfer information. Through 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. It is a great gift choice for your loved ones. Features -.

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