Smart Ring, NFC Multi-Function Smart Rings Magic

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【Humanized Design】No charge / depth waterproof, builT in ultrA sensitive NFC chip, no electricity to work. MultI functional NFC smart , the main

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What Are Smart Rings? How Do They Work?

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Multifunctional Magic NFC Smart Ring Wearable For Android IOS Mobile Phone Rings

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NFC Ring,Smart Ring Android,NFC Multifunction Smart Rings Magic Wearable Device Universal for Mobile Phone(Size 9) (size11) : Electronics

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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