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How a smart ring works

Stylish and functional.

While you might find LED lights for visual cues, haptic feedback for sensory interaction, and even gesture control along the ring's outer body, a good smartphone is a requirement for the best experience. (Image credit: Derrek Lee / Android Central)Smart rings are powered by the same type of battery as your phone or other wearable devices — like everything else, it's been miniaturized. An always-on connection and continuous health monitoring will drain the battery more than doing either intermittently, but they also have the benefit of not having to power a display, which means they can last a bit longer than a typical Android smartwatch, for example.

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