Oura has announced the Oura Ring 4, with a sleeker look, superior health tracking, and a higher starting price. The follow up to what we called “The best smart ring around” back in late 2022 sports a neater, slimmer design that goes all in on titanium, with inner sensors that are now recessed for greater comfort. It’s now available in an expanded twelve sizes and six colours (Brushed Silver, Gold, Rose Gold, Silver, Stealth), too. There’s more to the
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