{"product_id":"oura-ring-4-stealth-size-15-sleep-activity-womens-health-ai-advisor-up-to-8-days-battery-android-ios","title":"Oura Ring 4 Stealth - Size 15 | Sleep, Activity \u0026 Womens Health AI Advisor | Up to 8 Days Battery | Android \u0026 iOS","description":"\u003cp\u003eMeet Oura Ring 4: Stealth design, advanced sensing, and a lightweight form you may forget it is there. Made from all-titanium, it uses Smart Sensing to go beyond simple biometrics, tracking more than 50 health signals day and night.\u003c\/p\u003e\n\u003ch2\u003eSmart sensing that adapts to you\u003c\/h2\u003e\n\u003cp\u003eUnlike basic trackers, Oura Ring 4 learns your baseline and adapts, delivering consistent data as your routines shift—from workouts to late-night shifts.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSleep: quality, duration, and stages\u003c\/li\u003e\n\u003cli\u003eActivity: daily movement, intensity, and recovery\u003c\/li\u003e\n\u003cli\u003eHeart health: resting heart rate and variability trends\u003c\/li\u003e\n\u003cli\u003eStress and metabolic health indicators\u003c\/li\u003e\n\u003cli\u003eWomens health metrics: regular cycle insights\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBecause proper fit matters, a sizing kit helps you find the perfect fit before you buy. The ring remains comfortable enough for daily wear and supports quiet evenings and active days alike.\u003c\/p\u003e\n\u003ch2\u003eLong-lasting battery and effortless wear\u003c\/h2\u003e\n\u003cp\u003eWith up to 8 days of battery life, you can go through a week of routine without recharging. There are no screens or vibrations; it stays quiet while monitoring your body rhythms.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUp to 8 days between charges\u003c\/li\u003e\n\u003cli\u003eDiscreet, low-profile design suitable for work, workouts, and sleep\u003c\/li\u003e\n\u003cli\u003eTitanium construction that resists everyday wear\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMembership includes a first month for new members, with ongoing access to deeper insights via the Oura App. The ring is HSA\/FSA eligible for eligible purchases.\u003c\/p\u003e\n\u003ch2\u003eHow it fits your life\u003c\/h2\u003e\n\u003cp\u003eWith multi-ring support, you can switch finishes in the app as you switch outfits, keeping your look aligned with your mood. The device works with Android and iOS, and the app compiles insights into a daily readiness score, sleep quality, and recovery patterns.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What can I expect from Oura Ring 4 Stealth?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It tracks sleep, activity, heart health, stress, and womens health metrics with adaptive Smart Sensing for day and night.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is Oura Ring 4 compatible with Android and iOS?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It works with both platforms through the Oura App; sizing kit helps find your fit before purchase.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"OURA","offers":[{"title":"Default Title","offer_id":48401592811677,"sku":"B0D9WWDR5H","price":479.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/9596\/1757\/files\/oura-ring-4-stealth-front-view_ee058618-099b-458e-8540-b424f99a7128.jpg?v=1781115960","url":"https:\/\/nexoltic.com\/products\/oura-ring-4-stealth-size-15-sleep-activity-womens-health-ai-advisor-up-to-8-days-battery-android-ios","provider":"Nexoltic","version":"1.0","type":"link"}