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Staron Multifunctional NFC Smart Ring - 2018 Waterproof Intelligent Magic Smart Rings Universal Wear Finger Digital Ring for Samsung, Huawei, Android & NFC Mobile Phone (C) : : Electronics

Features: * Water Resistant and no charging required. * Lock and unlock your smart phone or tablet quickly, hide the app when you leave your smart

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Staron Multifunctional NFC Smart Ring - 2018 Waterproof Intelligent Magic Smart Rings Universal Wear Finger Digital Ring for Samsung, Huawei, Android & NFC Mobile Phone (C) : : Electronics

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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