Smart Ring NFC Gold NFC Ring Key Ring NFC with Ntag215 Chip - China RFID Rings, Smart Ring

Function: Identification, Payment, Encrypt/Decrypt, Information, Access Control Type: RFID Smart Ring Material: Semi-Ceramic Read-Write Method: Non-Contact Type Label Category: Passive Structure: Read-Write Card
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NFC Ntag215 Black Ceramic Smart Ring Compatible with NFC Enabled Phones and Devices Programmable 504 Bytes,for Bussiness Card and Smart Home (Black, US7#) : Electronics

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