Super-smart rings, secure GPS trackers and more [Crowdfund Roundup]

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ORII smart ring
ORII is a smart ring that's actually smart.
Photo: ORII

Crowdfund Roundup bugMaybe smartwatches aren’t your thing, but what about an impressive smart ring that lets you take calls, interact with virtual assistants, and more without being too intrusive?

It’s just one of the awesome ideas in this week’s Crowdfund Roundup. We also have the world’s first graphene headphones, a fidget spinner that you can connect to your smartphone for ultra-cool LED effects, and more!