French upstart Circular has unveiled a fresh challenge to Oura — the current lord of the smart rings. Circular has just released a new smart ring that offers two key advantages over Oura, which ...

Smart ring makers Oura and Circular on Tuesday announced a settlement in an ongoing patent suit. The agreed-upon terms find the French company entering into a multi-year agreement with Oura, wherein ...

Even smart rings aren't immune to patent wars. Wareable notes Oura has sued fledgling rival Circular for allegedly violating patents covering both ring design and biometric data collection. Circular's ...

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 stations at ...