Can I have more than one K Ring?

Can I have more than one K Ring?

Yes, you can attach up to 3 rings to your K Wearables Virtual Prepaid Mastercard®, and they will all be sharing the funds... ideal if you want your ring to match your outfit!

You can turn off a ring that you're not using by logging in to your K Account and going to the Devices page; just use the on/off switch next to the relevant ring.

You can rename your rings so you can easily tell one from another in the list on the Devices page.

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    • What is K Ring?

      K Ring (formerly known as Kerv Ring) is the world’s first Mastercard® contactless payment ring … and the first in an innovative range of next-generation wearable payment devices. K Ring can be used to make a payment anywhere in the world that accepts ...
    • Who makes K Ring?

      K Ring is made in the UK by K Wearables Ltd. The K Wearables Prepaid Mastercard® programme is operated by K Wearables Ltd, Orion House, Bessemer Road, Welwyn Garden City, AL7 1HH. Company number 10093360; VAT registration number 258044208. The K ...
    • Is my K Ring waterproof?

      Yes! The inner band of K Ring is made from a hard inert resin which seals the electronics and renders it completely waterproof. You can wash your hands as much as you like while wearing your K Ring, and it won't be harmed by hand sanitiser, either.
    • Will my K Ring expire?

      Yes, your K Ring will expire – much like a credit or debit card – 4 years after the date of issue. We will alert you 30 days before your K Ring expires to give you plenty of time to order a replacement.
    • What do I do if I lose my K Ring, or if it’s stolen?

      If you’ve lost your K Ring (but think you might find it again), log into your account at, go to Devices and simply switch it off. This means your ring cannot be used to make a transaction. If you find it again, just switch it on again in ...