{"product_id":"oura-ring-4-ceramic-smart-ring-size-before-you-buy-with-or4-sizing-kit-size-10-tide-2025-grade-a","title":"Oura Ring 4 Ceramic Smart Ring Size 10 Tide (2025)","description":"\u003cdiv class=\"container\"\u003e\n\u003cdiv class=\"top-header\"\u003e\u003cp\u003e \u003c\/p\u003e\u003c\/div\u003e\n\u003cheader class=\"main-header\"\u003e\u003ch1\u003eOura Ring 4 Ceramic Smart Ring Size 10 Tide (2025)\u003c\/h1\u003e\u003c\/header\u003e\n\u003csection class=\"product-description\"\u003e\n\u003ch3\u003eOVERVIEW\u003c\/h3\u003e\n\u003cp\u003eThe Oura Ring 4 Ceramic in Tide offers advanced personal health, activity, and sleep tracking in a sleek, high-performance zirconia ceramic finish. Powered by Smart Sensing technology, it continuously monitors sleep stages, 24\/7 heart rate, blood oxygen levels, temperature trends, and daily stress with precision accuracy. Designed for all-day wear and featuring up to 8 days of battery life, this smart ring seamlessly syncs with iOS and Android devices via the Oura App.\u003c\/p\u003e\n\u003ch3\u003eKEY FEATURES\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSmart Sensing technology adapts to your finger for continuous, high-accuracy biometric monitoring.\u003c\/li\u003e\n\u003cli\u003eComprehensive tracking for sleep quality, 24\/7 heart rate, heart rate variability (HRV), and blood oxygen (SpO2).\u003c\/li\u003e\n\u003cli\u003eHigh-performance zirconia ceramic exterior with a smooth, durable, and lightweight finish.\u003c\/li\u003e\n\u003cli\u003eWater resistant up to 100m (328 ft) and designed for continuous 24\/7 wear.\u003c\/li\u003e\n\u003cli\u003eUp to 8 days of battery life on a single charge.\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 Ceramic\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;\"\u003eJZ90-57461-10\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;\"\u003e10\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;\"\u003eTide\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;\"\u003eZirconia Ceramic Exterior, Titanium Interior\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%;\"\u003eWater Resistance\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd;\"\u003e100m \/ 328 ft\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%;\"\u003eCompatibility\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #ddd;\"\u003eiOS \u0026amp; Android\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\u003c\/ul\u003e\n\u003ch3\u003eWHAT'S INCLUDED\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e(1) Oura Ring 4 Ceramic — Size 10 — Tide\u003c\/li\u003e\n\u003cli\u003e(1) Oura Ring 4 Charging Dock \u0026amp; USB-C Cable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDOES NOT INCLUDE\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e(1) Original retail packaging\u003c\/li\u003e\n\u003cli\u003eItems not expressly listed in the What's Included section.\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\u003cp\u003e© Copyright. All rights reserved.\u003c\/p\u003e\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":"R3NEW","offers":[{"title":"Excellent","offer_id":67734205956329,"sku":"JZ90-57461-10^A","price":229.99,"currency_code":"USD","in_stock":true},{"title":"Good","offer_id":67734205989097,"sku":"JZ90-57461-10^B","price":209.99,"currency_code":"USD","in_stock":false},{"title":"Eco-Save","offer_id":67734206021865,"sku":"JZ90-57461-10^C","price":179.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/5433\/3161\/files\/260182.jpg?v=1792591676","url":"https:\/\/r3new.com\/products\/oura-ring-4-ceramic-smart-ring-size-before-you-buy-with-or4-sizing-kit-size-10-tide-2025-grade-a","provider":"R3NEW","version":"1.0","type":"link"}