Introductory offer: get 15% OFF with code GBTR15
Unlike smartphones and smartwatches, K Ring never needs charging, so you'll always be able to pay
K Ring works all by itself, so you don't need to pair it with a smartphone to make a payment
Engineered from zirconia ceramic, K Ring’s outer shell is hypoallergenic and almost as scratch-resistant as diamond
K Ring’s electronics are sealed with a waterproof hypoallergenic resin, and it's just as happy in the sea as it is in the shower
Always on hand
Available in a wide range of sizes and colour combinations, K Ring is ideal for anyone who wants to keep their pockets light and their options open: with K Ring, you can leave your wallet and phone at home and still make a purchase at any one of the 40 million locations around the world where you see the contactless payments sign.
15% OFF with promo code GBTR15
Stay informed with free SMS alerts
With K Ring, you can keep up to date with alerts sent to your mobile, displaying your balance and confirming when funds are loaded to your account.
Free to load, free to use
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
Always looking good
With its lustrous finish and comfort-fit, skin-safe inner band, K Ring always feels as good as it looks.
Which will you choose?
Save £15 with promo code GBTR15 – now only £84.99
You can’t make accidental payments with K Ring because it must be within 4cm of a contactless reader, with your hand in the correct position.
Powered by Mastercard®, K Ring benefits from all of Mastercard’s security features – and for extra peace of mind, you can easily switch it off and on at any time.
£15 discount with promo code GBTR15 - now only £84.99
Features and benefits
- Make contactless payments up to £45 (Gibraltar/UK)*
- 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, authorised by the FCA
*POS 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 Gibraltar/UK, you may be asked to enter a PIN.
Fees and charges
was £99.99 now £84.99 ‡
Transaction fee (Gibraltar/UK POS)
Transaction fee (non-Gibraltar/UK POS)†
Load via bank transfer
Load via credit card
Load via debit card
† We use Mastercard's foreign exchange rate for our currency conversions + a 3% Currency Conversion Fee (Bank Fee).
‡ After Promo Code added at checkout
It was so easy!
Andrea, London, email
Getting used to clench fist - touch Oyster reader - open barrier - get on tube
Steve, London, Twitter
If I forget to wear my ring, my day gets a lot more inconvenient – especially on the Tube
Karen, London, Email
Used mine in Germany and the guy behind the counter made me show it to his co-workers
Raymond, Reading, Twitter
It worked perfectly. You’re not having it back it’s gorgeous!
Andrew, Hampshire, Twitter
No more searching the saddle bag at the coffee stop – I just pay with a fist bump!
Nigel, Hertfordshire, Email