Is the Oura Ring 4 the best smart ring you can buy? I've been wearing it for weeks to find out, and our in-depth review answers the question.

The new Oura Ring 4 smart ring promises a plethora of health tracking features—but is it worth the $349 price tag? Read the ...

picking the correct size is arguably the most important step in your smart ring purchasing journey. The Ring 3 and Ring 4 are available in slightly different sizes. Find the details below.

For starters, a ring size three fits a finger that measures 14 millimeters, and for every half-size after size three, the measurement jumps by .4 millimeters. Consider the following must-knows ...

forcing companies to offer a wide range of sizes to attract as many buyers as possible. The new Oura Ring 4 and the Galaxy Ring both come in almost ten different size options. That’s a lot of ...

That’s what you pay the subscription for. I am disappointed that the Oura Ring 4 couldn’t reduce in size, or produce meaningfully better battery life – and coupled with its high price tag ...

For the greater part of this past summer, I wore six smart rings at once. I wanted to see which was best, and the Oura Ring Gen 3 was the clear winner. Well, it’s been about two weeks since my ...

Please verify your email address. The Oura Ring 4 is the kind of iterative hardware update I like to see. For the same $349 starting price as the Gen 3 Horizon, Oura's latest smart ring is a bit ...

Oura Ring 4 is available for preorder today, starting at $349. The new model offers improved battery life and sensor accuracy, with more size options. Automatic activity tracking, new stress ...

I’ve been wearing the Oura Ring 4 for several weeks; here’s what I think about it. Before we go into the design, let’s talk about the size. The Oura Ring 4 comes in ring sizes 4 to 15 ...

It also comes in a much bigger size range, with sizes from 4 to 15, although I again sized into my ring size 8. If you buy something using links in our stories, we may earn a commission.