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Sleeker, smarter and more accurate than ever, Oura Ring 4 is made for you.\u003c\/p\u003e\u003cp\u003eOura Ring 4 is powered by Smart Sensing, which adapts to your unique finger and activity - delivering accurate, continuous data, day and night.\u003c\/p\u003e\u003cp\u003eOura Ring 4's updated design is more comfortable, fits better than ever, and is water resistant. The first all-titanium smart ring combines exceptional durability with a gentle touch, even for sensitive skin.\u003c\/p\u003e\u003cp\u003eWith up to 8 days of battery life, no screens and no vibrations, Oura Ring 4 allows you to focus on the present.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSleep:\u003c\/strong\u003e Get the best sleep of your life, and then some. Wake up to in-depth sleep analysis, so you can improve your habits and transform how you feel. 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