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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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Embedded with NFC chip, it can only be connected to a smartphone with NFC function. Type: NFC Smart Ring. Material:titanium steel + NFC smart chip.

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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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