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Through the NFC radio frequency communication technology and mobile phone connection to the mobile phone function operation and sharing of data. No

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Multi-functional Smart Ring Wearable Ring with Nfc Compatible with Android and Apple Systems (Size : 11#) : Electronics

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【Multiple Functions Health Tracker】The smart ring has multiple functions, which can monitor your heart rate, temperature and blood oxygen at any time,

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Program Lock/Unlock Feature: The smart ring allows you to lock/unlock specific applications on your phone. Simply select the application you want to

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