Get 15% OFF K Ring with code: KR15
As seen on
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 on hand
K Ring is the world's first contactless payment ring, powered by Mastercard and welcomed at over 40 million retail locations worldwide.
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 £45, it's now even easier to safely pay in shops and on public transport – just look out for the contactless payment symbol.
Run fast and pay faster with K Ring.
Use promo code: KR15 at checkout
Normal RRP: £99.99
ZIRCONIA CERAMIC EXTERIOR
- Lightweight technical ceramic shell
- Almost as scratch-resistant as diamond (8.5 on Mohs’ Scale of Hardness)
- High-lustre finish
- Comfort-fit hypoallergenic resin inner band
- Curved inner profile reduces skin contact, improves airflow and reduces moisture build-up
- Forms waterproof seal around embedded electronics
K Ring works all by itself, so no need to pair it with your smartphone to make a payment
K Ring draws its power from the contactless payment terminal during a transaction so, unlike smart watches and phones, it’ll never run out of power when you need it most
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?
Features and benefits
- Make contactless payments up to £45 (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 the UK, you may be asked to enter a PIN.
Fees and charges
was £99.99 now £84.99 ‡
Transaction fee (UK POS)
Transaction fee (non-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
K Ring is welcome anywhere that accepts Mastercard contactless payments, which is approx 40 million retail locations worldwide – just look out for the contactless payment symbol
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.
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 is waterproof and won't be harmed by soap or alcohol-based hand sanitiser – so keep washing those hands!
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