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1. Attraverso la tecnologia di comunicazione a radiofrequenza NFC e la connessione del telefono cellulare al funzionamento della funzione del telefono

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1. Through the NFC radio frequency communication technology and mobile phone connection to the mobile phone function operation and sharing of data. 2.

Magic Smart Ring, Orii Smart Ring Metal NFC Multifunction Smart Ring for Universal Mobile Phone Usage (size9)

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Multi-functional Smart Ring Wearable Ring with Nfc Compatible with Android and Apple Systems (Size : 8#) : Electronics

Wireless and Waterproof: This smart ring features a wireless, battery-free design, making charging a thing of the past. Plus, it's waterproof,

Magic Smart Ring, Orii Smart Ring Metal NFC Multifunction Smart Ring for Universal Mobile Phone Usage (size9)

Smart Rings - Smart Rings / Wearable Technology: Electronics