{"product_id":"oura-ring-4-health-fitness-tracker-smart-ring-black-2026190807","title":"Oura Ring 4 Health \u0026 Fitness Tracker Smart Ring, Black","description":"\u003cp\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 30 biometrics including sleep, readiness, activity, heart health, stress and women's health. Oura Ring quietly and comfortably monitors your health, and with up to 8 days of battery life - you can forget it's even on. Sleeker, smarter and more accurate than ever, Oura Ring 4 is made for you.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAccuracy with smart sensing\u003c\/strong\u003e Oura 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\u003e\u003cstrong\u003eDesigned for 24\/7 wear\u003c\/strong\u003e Oura 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\u003e\u003cstrong\u003eLong lasting battery\u003c\/strong\u003e With 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\u003cp\u003e\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. Oura provides insights into your sleep staging throughout the night, blood oxygen levels, HRV, and nighttime heart rate.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eActivity\u003c\/strong\u003e Whether you're running a marathon or running errands, Oura tracks your daily activity, steps, calories burned, and workouts while helping you strike a balance between movement and recovery.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eReadiness\u003c\/strong\u003e Know when to push it and when to take it easy with the Oura Readiness Score. It takes into consideration over 30 different body signals - including temperature, heart rate, HRV, and sleep - to tell you how ready you are for the day ahead.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eStress\u003c\/strong\u003e Oura will help you identify signs of stress and understand how well your body handles it. You'll know when you need to incorporate more self-care practices and how to recover from long term stressors.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIllness detection\u003c\/strong\u003e Oura monitors shifts in your temperature and heart rate so you can tell when you may be getting sick sooner.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWomen's health\u003c\/strong\u003e Your cycle impacts your mood, sleep, activity and more, every day. Oura helps you understand how your cycle affects your body, so you can make better, informed decisions about your holistic health. Track the changes in your body throughout your cycle and predict your period up to 30 days in advance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHeart health\u003c\/strong\u003e From monitoring your daily heart rate and HRV to discovering your Cardiovascular Age and Cardio Capacity, Oura helps you take care of one of key indicators of your overall health - your heart.\u003c\/p\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery life details\u003c\/td\u003e\n\u003ctd\u003eUp to 8 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharge time\u003c\/td\u003e\n\u003ctd\u003e80 mins\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensors \u0026amp; trackers\u003c\/td\u003e\n\u003ctd\u003eHeart Rate, Temperature\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower supply\u003c\/td\u003e\n\u003ctd\u003eRechargeable Battery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMusic capability\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWearable tech type\u003c\/td\u003e\n\u003ctd\u003eOura Ring 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eOura\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVibration alert\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery capacity\u003c\/td\u003e\n\u003ctd\u003e15mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of origin\u003c\/td\u003e\n\u003ctd\u003eEstonia\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCellular generation\u003c\/td\u003e\n\u003ctd\u003eNot Cellular\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLocation services\u003c\/td\u003e\n\u003ctd\u003eNo Location Services\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBatteries included\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccessories included\u003c\/td\u003e\n\u003ctd\u003eOura Ring, Charging Dock \u0026amp; Cable-USB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible with\u003c\/td\u003e\n\u003ctd\u003eAndroid and IOS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel name \/ number\u003c\/td\u003e\n\u003ctd\u003eOura Ring 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer part number (MPN)\u003c\/td\u003e\n\u003ctd\u003eJZ90-54144-04\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStrap colour\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGuarantee\u003c\/td\u003e\n\u003ctd\u003e2 year guarantee included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"John Lewis","offers":[{"title":"4","offer_id":48321579974894,"sku":"STO-ITEM-2026-190808","price":334.28,"currency_code":"GBP","in_stock":true},{"title":"5","offer_id":48321580007662,"sku":"STO-ITEM-2026-190809","price":334.28,"currency_code":"GBP","in_stock":true},{"title":"6","offer_id":48321580040430,"sku":"STO-ITEM-2026-190810","price":334.28,"currency_code":"GBP","in_stock":true},{"title":"7","offer_id":48321580073198,"sku":"STO-ITEM-2026-190811","price":334.28,"currency_code":"GBP","in_stock":true},{"title":"8","offer_id":48321580105966,"sku":"STO-ITEM-2026-190812","price":334.28,"currency_code":"GBP","in_stock":true},{"title":"12","offer_id":48321580138734,"sku":"STO-ITEM-2026-190813","price":334.28,"currency_code":"GBP","in_stock":true},{"title":"13","offer_id":48321580171502,"sku":"STO-ITEM-2026-190814","price":334.28,"currency_code":"GBP","in_stock":true},{"title":"14","offer_id":48321580204270,"sku":"STO-ITEM-2026-190815","price":334.28,"currency_code":"GBP","in_stock":true},{"title":"15","offer_id":48321580237038,"sku":"STO-ITEM-2026-190816","price":334.28,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0522\/0125\/9183\/files\/112562905.webp?v=1784124678","url":"https:\/\/mcgrocer.com\/products\/oura-ring-4-health-fitness-tracker-smart-ring-black-2026190807","provider":"McGrocer","version":"1.0","type":"link"}