Pay Ring - Quontic
RingPay - McLEAR
K Ring - Contactless Payment Ring Review - What Gadget
Opal Payment Ring
The Payment Ring - The World's First Contactless Payment Ring
Aeklys by Starck Payment Ring is a touchless payment alternative - NotebookCheck.net News
NFC ring comparison - Smart Ring News
nfc-payment-ring - Infineon Technologies
Visa Introduces NFC-Enabled Payment Ring for Team Visa Sponsored Athletes to Use at Rio 2016 Olympic Games | Business Wire
Visa Payment Innovations | Visa
Lord of the (payment) Rings. My review of the McLEAR RingPay Payment… | by Chris Gledhill | Medium
ESOS Rings | Contactless Payments | Wearable Technology
PAGO Rough Black Contactless Payment Ring – K-pay UK
High tech tap-to-pay ring puts money at your fingertips
Married to money: 'smart' wedding ring doubles as payment method | Wearable technology | The Guardian
NFC payment ring - Infineon Technologies
Smart Rings Seen as New Frontier for Cashless Payments - Bloomberg
Visa-powered payment ring is now available to everyone (update: separate product) | Engadget
More than 50,000 Purchases Made with Citadele Payment Ring - Labs of Latvia
Wayve Pay Ring – wayve pay
