Stainless Steel Wearable Ring with Built-in NFC chip for iPhone, Android or Windows
Multifunctional: The smart ring can be 2 IC cards (13.56MHZ) 2 ID cards (125KHZ) and 2 NFC cards at the same time, such as access control card,
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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
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