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I tested a subscription-free smart ring that rivals Oura – and it's on sale for the holidays
Nina Raemont/ZDNET What’s the deal? The Ultrahuman Ring Air is a competitive smart ring that tracks your sleep and fitness, and it’s received a $52 discount on QVC. You can buy this health device for about $297. We recommend jumping on this deal quickly, as it could end soon. ZDNET’s key takeaways The Ultrahuman Ring Air is the brand’s first foray into the smart ring space, and it’s available for $349, no subscription required. The ring is…
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