The Oura Ring was my favorite smart ring because its app was easy to understand, and I liked some of the newer features from its latest software update. At the steep price of $349, this smart ring is made up of aerospace-grade titanium — one of the strongest materials on earth, according to the site — and now the brand offers target=”_self” data-id=”8c0a86a8-516e-418b-9c32-350b45c1d6d0″ href=”https://www.cnet.com/health/fitness/oura-ring-just-got-a-makeover-and-personalized-health-features/”>more colorful ceramic options. Before I received my Oura Ring, I was sent a ring sizer to figure out my ring size. Other smart rings did the same, as sizing varies by…

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