{"product_id":"oura-ring-4-smart-ring-size-13-black-jz90-54144-13","title":"Oura Ring 4 - Smart Ring - Size 13 Black - JZ90-54144-13","description":"\u003cdiv class=\"container\"\u003e\n\u003cdiv class=\"top-header\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003cheader class=\"main-header\"\u003e\n\u003ch1\u003eOura Ring 4 Smart Ring - Size 13 - Black\u003c\/h1\u003e\n\u003c\/header\u003e\n\u003csection class=\"product-description\"\u003e\n\u003ch3\u003eOVERVIEW\u003c\/h3\u003e\n\u003cp\u003eThe Oura Ring 4 is a lightweight titanium smart ring designed for continuous health, sleep, activity, stress, and recovery tracking. Smart Sensing technology adapts to the wearer for comfortable day-and-night monitoring, while the Oura app turns captured data into clear, personalized insights.\u003c\/p\u003e\n\u003ch3\u003eKEY FEATURES\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSmart Sensing technology for continuous, personalized health tracking\u003c\/li\u003e\n\u003cli\u003eTracks sleep stages, readiness, activity, heart rate, HRV, blood oxygen trends, temperature trends, and stress\u003c\/li\u003e\n\u003cli\u003eUp to 8 days of battery life\u003c\/li\u003e\n\u003cli\u003eWater resistant to 100 meters\u003c\/li\u003e\n\u003cli\u003eLightweight, all-titanium construction with a smooth inner surface\u003c\/li\u003e\n\u003cli\u003eCompatible with the Oura app on supported iOS and Android devices\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSPECIFICATIONS\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: #f5f5f5;\"\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd; font-weight: bold; width: 40%;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd;\"\u003eOura\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd; font-weight: bold; width: 40%;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd;\"\u003eOura Ring 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f5f5f5;\"\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd; font-weight: bold; width: 40%;\"\u003eModel Number\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd;\"\u003eJZ90-54144-13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd; font-weight: bold; width: 40%;\"\u003eSize\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd;\"\u003e13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f5f5f5;\"\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd; font-weight: bold; width: 40%;\"\u003eColor\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd;\"\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd; font-weight: bold; width: 40%;\"\u003eMaterial\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd;\"\u003eTitanium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f5f5f5;\"\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd; font-weight: bold; width: 40%;\"\u003eBattery Life\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd;\"\u003eUp to 8 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd; font-weight: bold; width: 40%;\"\u003eWater Resistance\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd;\"\u003eUp to 100 meters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f5f5f5;\"\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd; font-weight: bold; width: 40%;\"\u003eRelease Year\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd;\"\u003e2024\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eCONNECTIVITY\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBluetooth Low Energy\u003c\/li\u003e\n\u003cli\u003eOura app compatibility with supported iOS and Android devices\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWHAT'S INCLUDED\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e(1) Oura Ring 4 Smart Ring\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDOES NOT INCLUDE\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCharging dock\u003c\/li\u003e\n\u003cli\u003eCharging cable\u003c\/li\u003e\n\u003cli\u003ePower adapter\u003c\/li\u003e\n\u003cli\u003eSizing kit\u003c\/li\u003e\n\u003cli\u003eOriginal packaging\u003c\/li\u003e\n\u003cli\u003eAny accessories not listed above\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 0.9em; color: #777;\"\u003e\u003cspan style=\"font-style: italic;\"\u003eThis is a refurbished product. It has been inspected, tested, and restored to full working condition. Minor cosmetic imperfections may be present. Devices will have some variation in appearance.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/section\u003e\n\u003cfooter\u003e\n\u003cp\u003e© Copyright. All rights reserved.\u003c\/p\u003e\n\u003c\/footer\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\n* { margin: 0; padding: 0; box-sizing: border-box; }\nbody { font-family: \"Open Sans\", sans-serif; background-color: #fff; color: #333; line-height: 1.6; }\n.container { max-width: 1200px; margin: 0 auto; padding: 20px; }\n.top-header { background-color: #000; color: #fff; padding: 10px 20px; text-align: center; }\n.top-header p { font-size: 1em; margin: 0; }\nheader.main-header { background-color: #4caf50; padding: 20px; text-align: center; }\nheader.main-header h1 { color: #fff; font-size: 2.5em; margin: 0; }\n.product-description { background-color: #fff; border: 1px solid #e0e0e0; padding: 30px; margin-top: 20px; box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1); }\n.product-description h3 { color: #4caf50; margin-bottom: 12px; margin-top: 25px; font-size: 1.35em; }\n.product-description p { line-height: 1.7; margin-bottom: 18px; }\n.product-description ul { padding-left: 20px; margin-bottom: 20px; }\n.product-description li { margin-bottom: 8px; }\n.product-description table { width: 100%; border-collapse: collapse; }\nfooter { background-color: #f1f1f1; text-align: center; padding: 20px; margin-top: 30px; color: #777; font-size: 0.9em; }\n\u003c\/style\u003e","brand":"Oura","offers":[{"title":"Excellent","offer_id":67635760496873,"sku":"JZ90-54144-13^A","price":199.99,"currency_code":"USD","in_stock":false},{"title":"Good","offer_id":67635760529641,"sku":"JZ90-54144-13^B","price":209.99,"currency_code":"USD","in_stock":true},{"title":"Eco-Save","offer_id":67635760562409,"sku":"JZ90-54144-13^C","price":154.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/5433\/3161\/files\/259577.jpg?v=1791466654","url":"https:\/\/r3new.com\/products\/oura-ring-4-smart-ring-size-13-black-jz90-54144-13","provider":"R3NEW","version":"1.0","type":"link"}