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The World's First Contactless Payment Ring - The Grad Hub
KWearables - Also available in black. K Ring: the world's first #ContactlessPayment ring – powered by #Mastercard #WearYourWallet #PaymentRing #SmartRing #FinTech | Facebook
K Wearables (@KWearables) / Twitter
Top 5 Contactless Payment Rings [Features, Specs, & Pricing Comparison]
Hands-on review: McLear RingPay | E&T Magazine
K Ring: the world's first contactless payment ring - YouTube