Enter promo code BF35 at checkout for 35% off any K Ring or gift card

Black Friday Savings

We’re offering 35% off all editions of K Ring or gift cards in our massive Black Friday sale!

Powered by Mastercard®, K Ring lets you pay with the tap of a hand wherever you see the contactless payments acceptance symbol. It’s the ultimate wearable tech Christmas gift, or special  treat just for yourself. Order one of our black editions today and save £35 (while stocks last). Black Friday sale ends 23:59 01/12/20.

Contactless logo


Money always on hand

Now you can leave your wallets, purses, cash, coins and cards at home and still pay for stuff – anywhere that accepts Mastercard contactless payments – no PIN or smartphone required.

Knock-in, knock-out

K Ring is also accepted on the Transport for London network, so now you can just knock-in and knock-out on Tubes and trains … and grab a bus in style.

Was £99.99 now only £64.99

No charging

No charging icon
Unlike smartphones and smartwatches, K Ring never needs charging, so you'll always be able to pay

No pairing

No pairing icon
K Ring works all by itself, so you don't need to pair it with a smartphone to make a payment

Scratch resistant

Scratchproof icon
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 resin, and it's just as happy in the sea as it is in the shower

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

Purchase price

was £99.99 now £64.99 ‡

Monthly fee


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

Form + function

If sleek, smart and understated is how you roll, the K Ring black editions are what you've been waiting for. With its lustrous zirconia ceramic exterior and glossy resin interior, K Ring hides its secret abilities beneath a cloak of pure style. So get the coolest and smallest in wearable tech today – it’s like wearing a ninja on your finger.

Now only £64.99 – buy now and save £35 (while stocks last). Offer ends 01/12/20. Free P&P.

Buy K RingorBuy a Gift Card

35% off Gift Cards, too!

Think you’ve found the perfect Christmas gift (you have!)? But don’t know the lucky recipient’s ring size (you don’t need to!)? That’s where our K Ring Gift Cards come in handy.

Our gift cards come in an easy to wrap presentation pack containing a ring sizer and a unique code, redeemable against any of the 14 editions of K Ring. The recipient simply orders their chosen ring from the online K Store (free of charge when using their unique code at checkout) , then we make it to order and ship free to anywhere in the UK.

You’ll be hard-pressed to find a more useful, unusual or unique gift, so order your Gift Cards now in time for Christmas – and save £35 during our massive Black Friday sale.

Buy a gift card