After Months of Testing Smart Rings, This Is the Only One I Think You Should Buy

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 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…