{"product_id":"oura-ring-4-silver-size-9-size-before-you-buy","title":"Oura Ring 4 - Silver - Size 9 - Size Before You Buy","description":"\u003cdiv id=\"productDescription\" class=\"a-section a-spacing-small\"\u003e          \u003c!-- show up to 2 reviews by default --\u003e\n                       \u003cp\u003e    \u003cspan\u003eIntroducing Oura Ring 4: the latest evolution of the revolutionary smart ring. Oura Ring 4 brings you closer to what matters most — your health. The updated all-titanium design is powered by Smart Sensing, a new sensing platform that doesn’t just measure your biometrics, it adapts to you, providing insights into over 50 health metrics including sleep, readiness, activity, heart health, stress, metabolic health, and women’s health. Oura Ring quietly and comfortably monitors your health and with 5 to 8 days of battery life — you can forget it’s even on. With multi-ring support, change Oura Ring 4 styles as easily as changing your outfit. If you have two or more Oura Ring 4 styles, you can now switch easily between different finishes in the Oura App. Sleeker, smarter and more accurate than ever, Oura Ring 4 is made for you. Oura Ring is FSA\/HSA Eligible — we can accept FSA or HSA funds for the following: Oura Ring, additional chargers, and shipping. IMPORTANT: Size yourself with the Oura Ring Sizing Kit before you buy — Oura Rings are not US standard sizing, and finding the right size will result in the best experience possible. With a sizing kit purchase, a credit will automatically be applied to your Oura Ring at checkout.\u003c\/span\u003e    \u003c\/p\u003e            \u003c\/div\u003e\u003cp\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecial Feature:\u003c\/strong\u003e Activity Tracker, Cycle Tracking, Daily Workout Memory, Lightweight\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Capacity:\u003c\/strong\u003e 22\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnectivity Technology:\u003c\/strong\u003e Bluetooth\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWireless Communication Standard:\u003c\/strong\u003e Bluetooth\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Cell Composition:\u003c\/strong\u003e Lithium Polymer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGPS:\u003c\/strong\u003e No GPS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShape:\u003c\/strong\u003e Round\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e OURA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel Name:\u003c\/strong\u003e Oura Ring 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStyle:\u003c\/strong\u003e Minimalist\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eProduct Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSIZE BEFORE YOU BUY - Oura Ring 4 sizes are different from standard ring sizes. Size yourself with the Oura Ring 4 Sizing Kit. For additional details, see “From the manufacturer” section below\u003c\/li\u003e\n\u003cli\u003eOURA MEMBERSHIP - First month of membership is included with purchase, for new members only. Subscription is 5.99\/mo afterwards. Or opt for the annual prepaid option for 69.99. Membership is tied to your account via the Oura App, not your physical ring\u003c\/li\u003e\n\u003cli\u003eACCURACY - SMART SENSING - Oura tracks over 50 health metrics, including sleep, activity, stress, heart health, and women’s health metrics. Oura Ring 4 is powered by Smart Sensing, which adapts to you — delivering accurate, continuous data, day and night\u003c\/li\u003e\n\u003cli\u003eLONG LASTING BATTERY - With up to 8 days of battery life, no screens and no vibrations, Oura Ring 4 allows you to focus on the present. From a workout to a night out — you’re free to forget it’s on. Until you start getting compliments.\u003c\/li\u003e\n\u003cli\u003eHSA\/FSA ELIGIBLE - We can accept HSA or FSA funds for the following: Oura Ring, additional chargers, and shipping.\u003c\/li\u003e\n\u003cli\u003eDESIGNED FOR 24\/7 WEAR - The updated design of the Oura Ring 4 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\/li\u003e\n\u003cli\u003eSYNC WITH YOUR FAVORITE APPS - Compatible with iOS and Android — Oura seamlessly integrates with over 40 apps including Apple Health, Google Health Connect, Natural Cycles, Flo, Strava, \u0026amp; more.\u003c\/li\u003e\n\u003cli\u003eLOOKING FOR THE BEST HEALTH TRACKER? - Whether you’re searching for a sleep ring or fitness ring, Oura Ring 4 is for you — this revolutionary smart ring that allows you to discreetly track your sleep, activity, recovery and stress — in style.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eProduct Information\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003ctable style=\"margin-bottom:20px\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Dimensions\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e1.02 x 1.02 x 0.28 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eItem Weight\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e6.3 ounces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eASIN\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eB0D9WWB3WX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eItem model number\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eJZ90-54217-09\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBatteries\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e1 Lithium Polymer batteries required. 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