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Visa Inc. - Visa Introduces NFC-Enabled Payment Ring for Team Visa Sponsored Athletes to Use at Rio 2016 Olympic Games
NFC Ring
NFC Ring
VISA Payment Smart Ring Black Life waterproof without charging NFC US12.5 #33 | eBay
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The NFC Ring will make payments a breeze at the Rio Olympics
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The Payment Ring - The World's First Contactless Payment Ring
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Top 5 Contactless Payment Rings [Features, Specs, & Pricing Comparison]