I've been wearing an Oura Ring to track my fitness for 4 years. Here are the pros and cons of the device loved by celebs and business execs.

I've been wearing an Oura Ring to track my fitness for 4 years. Here are the pros and cons of the device loved by celebs and business execs.

Rachel Hosie

When I first learned about a new fitness-tracking smart ring four years ago, it wasn't the promise of high-tech features that most piqued my interest, it was the look.

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