Plus, everything you need to know about the brand-spanking-new ceramic rings.

For 10 full weeks, I slept, worked, ran, walked, biked, and even showered with the new Oura Ring 4 (from $349, ouraring.com), an all-encompassing smart device touted to be “the first wearable designed ...

Let’s be honest, most tech wearables are bulky and not exactly what you’d describe as pretty. But when you’re regularly wearing something on your hands, you probably want it to look nice and maybe ...