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Our favorite smart ring is on sale through Prime Day -- and that never happens
The Horizon Oura Ring is $50 off during Prime Day, a rare discount on a product that rarely goes on sale.
I own the Horizon Oura Ring, and I can't recommend it enough for sleep, activity, and holistic wellness tracking. It offers around five days of battery life, it's compatible with both iOS and Android devices (unlike the new Galaxy Ring), and it's made with a titanium lightweight build. It monitors my heart rate, heart rate variability, blood oxygen, and body temperature -- and takes all that data to offer actionable insights into my daily health regimen, such as when to take breaks during the day, stretch my legs, or wind down at night.
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