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With NFC function, And confirm the cell phone NFC signal area. The ring has a built-in NFC chip. You need to bring your own NFC to use it. (4) Since

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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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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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