The new ring model also includes a slightly different internal design, with smaller sensor bumps. This means the two rings of the same nominal size will fit completely differently on the same finger.

Previous generations of Oura rings had three clear plastic bumps for the ... the body of the ring to make it thinner and more wearable. It also comes in a much bigger size range, with sizes ...

In a first for smart rings, it also uses an app to calculate your ring size, rather than a plastic kit. The new ring, which is available in Gold, Silver, Rose Gold and Black, is crafted from ...

Sizing a smart ring has always been a gamble. Too loose, and you risk losing it; too tight, and it’s unwearable. Some brands, such as Oura, tried to address this issue by providing sizing ...