K Ring

Overview of the K Ring Contactless Payment Ring 

K Ring is a contactless payment ring. With K Ring, you can quickly pay for your purchases at any point of sale that accepts Mastercard® contactless payments. 

K Ring is available in the UK with a prepaid Mastercard credit account. However, it also works abroad at approximately 6million retail outlets with Mastercard contactless payment-enabled terminals. In the Netherlands, ABN AMRO bank offers its customers with contactless credit and debit payments with K Ring.

How does K Ring work?

Contactless payment makes paying small purchases easy. You don’t have to carry your smartphone, enter a PIN code, provide a signature, or you don’t have to remember your bank account number. With a contactless payment Smart Ring such as K Ring, you can simply touch the point of sale terminal at a shop with your Smart Ring. 

Technically, the payment transaction is enabled by the secure NFC wireless short-range connection when the Smart Ring is placed within 4 cm of reach from the point of sale terminal. 

K Ring doesn’t have to be “paired” with a smartphone to make payments. It is a passive NFC-based device, which means that you don’t have to charge the battery - K Ring simply doesn’t have one! 

K Ring is a waterproof Smart Ring device, made of hard, scratch-resistant Zirconia ceramic. 

K Ring for ABN AMRO Customers in the Netherlands

ABN AMRO bank offers contactless payment with K Ring for its customers in the Netherlands. K Ring is linked with ABN AMRO’s personal bank card, and it provides domestic contactless payment up to €25 without a PIN. Purchases above €25, can be paid with the PIN code entered on the point of sale terminal. The users can use the ABN AMRO’s K Ring at over 6 million retail shops globally.

product functionalities
Product categories
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Sleep Tracking and Improvement
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Meditation Aid
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Stress Level Monitoring and Management
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Heart Rate Measurement and Monitoring
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Blood Oxygen Sensor
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Sleep Apnea Screening
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Step Counter for Activity Tracking
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Public Travel Pass
Yes
Contactless Payment
Yes
Access Card/Badge
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Smart Key (home, buildings, cars)
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Log in Device for Smatphones, Laptops, Online Accounts, etc.
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Passwordless Login (e.g. FIDO2 WebAuthn)
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Two Factor Authentication (2FA) Support
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Motion Controlled Pointer or Mouse
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Motion Control for Music Player Apps
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Motion Control for MIDI devices/software
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UV Radiation Tracking
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Personal Safety - Panic button
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Smartphone App Notifications (Social Media, Calls, Messages)
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Phone Extension - speed dial, phone calls
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Voice Assistant Controller
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Portable Data Storage and Sharing
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tech specs
Bluetooth for Wireless Connection
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Gyroscope Sensor
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NFC - Near Field Communication
Yes
RFID - Radio Frequency ID
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Accelerometer Sensor
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Heartrate Sensor
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Blood Oxygen Sensor
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Proximity Sensor
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Body Temperature Sensor
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Electrodermal (Skin) Conductivity Sensor
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Light Indicator
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Action Button
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Microphone(s)
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Haptic/Vibration Indicator
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Loudspeaker
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Ultra Violet (UV) Radiation Sensor
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Fingerprint Scanner
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Memory chip
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Water Resistance
10 Atm
Battery Life/Passive device with no battery
Passive device
Charging Method
Passive device
Smartphone and Computer Operating System (OS) Support
Passive device
product availability
Is the product available for purchases?
Yes