Wear Your Wallet
THE WORLD’S FIRST CONTACTLESS PAYMENT RING
PLEASE NOTE: prices will display in Euros when you select “Spain” as your delivery address.

Spain launch offer: SAVE 25% with code SENT25
Always with you
K Ring is the world's first contactless payment ring, powered by Mastercard®.
With K Ring, there's no need to handle cash or touch a PIN pad so you can leave your cards and phone safely in your pocket.
K Ring is free to load and free to use, and with the new contactless limit of €50, it's now even easier to safely pay in store – just look for the contactless payment symbol.
25% OFF!
Normal price €99.99 now €74.99 ‡
No charging
Unlike smartphones and smartwatches, K Ring never needs charging, so you'll always be able to pay
No pairing
K Ring works all by itself, so you don't need to pair it with a smartphone to make a payment
Scratch-resistant
Engineered from zirconia ceramic, K Ring’s outer shell is hypoallergenic and almost as scratch-resistant as diamond
Hygienic
K Ring is waterproof and won't be harmed by soap or alcohol-based hand sanitiser – so keep washing those hands!
Always looking good
Engineered from scratch-resistant zirconia ceramic, K Ring is available in a wide range of sizes and colour combinations. Which will you choose?
25% OFF!
Normal price €99.99 now €74.99 ‡
Features and benefits
- Make contactless payments up to €50*
- Accepted at over 40 million locations worldwide
- Secure – turn K Ring on and off
- Auto top-up facility
- Link multiple K Rings to the same account
- Manage your account easily online
- Powered by Mastercard
*Once K Ring has been activated and linked to the K Wearables virtual prepaid Mastercard; customers must meet age, residency and identification checks when applying for the virtual prepaid Mastercard account. Point-of-sale transactions with K Ring are subject to a maximum amount in line with local contactless transaction limits, therefore this figure may be lower in some countries. For transactions over a certain amount outside Spain, you may be asked to enter a PIN.
Fees and charges
Purchase price |
Normal price €99.99 |
Monthly fee |
€0.00 |
Transaction fee (in Spain) |
€0.00 |
Transaction fee (outside Spain)† |
3% |
Load via bank transfer |
FREE |
Load via credit card (Mastercard/Visa) |
3% |
Load via debit card (Mastercard/Visa) |
FREE |
† We use Mastercard's foreign exchange rate for our currency conversions + a 3% Currency Conversion Fee (Bank Fee).
‡ After Promo Code added at checkout. Prices will display in Euros when you select “Spain” as your delivery address.
Free to load, free to use
K Ring draws funds from a virtual prepaid Mastercard with Auto top-up capability, so you need never run out of funds. We don't charge you to load your K Ring via debit card or bank transfer – and we don't charge you when you use it to pay, either. Use code SENT25 and save 25%.
Now available in Spain
K Ring is now available for purchase in Spain, where it can be used to make purchases anywhere displaying the contactless payment symbol. Powered by Mastercard, K Ring ensures you’ll always have money on hand. Use code SENT25 and save 25%.