This smart ring lets you buy stuff with your finger, no phone required

Kerv, a new smart ring now available in the UK, promises to bring purchasing power directly to your finger. 

Smart devices with instant purchasing capabilities aren't exactly revolutionary—people have used their phones to buy stuff through services like Apple Pay for a few years now—but Kerv offers a new twist. The ring purportedly works without a smartphone connection, giving its users an untethered experience using near field communication (NFC) technology.

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Kerv works on MasterCard's payment network. Users must register for a Kerv Virtual Prepaid MasterCard account, but once the ring is connected, it should work anywhere in the world that accepts the company's contactless payments.  Read more...

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