{"product_id":"oura-ring4-mart-ring-size-11-silver-jz90-54220-11","title":"Oura Ring4 mart Ring  - Size 11 - Silver - JZ90-54220-11","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 11 - Brushed Silver\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 (Size 11, Brushed Silver) is a premium, high-performance smart ring engineered to seamlessly integrate comprehensive biometric telemetry, sleep architecture logging, and daily activity tracking into an ultra-lightweight wearable format. Encased in a structurally resilient titanium housing with a sleek brushed silver finish, this device is optimized for wellness enthusiasts, corporate professionals, and health-conscious individuals moving through fast-paced environments. Driven by advanced multi-wavelength optical sensors, it delivers exceptional micro-processing efficiency and continuous health telemetry with medical-grade sensing accuracy. Featuring an extended battery lifecycle and water resistance, this refurbished hardware configuration offers elite structural longevity and outstanding fiscal value for modern digital lifestyles.\u003c\/p\u003e\n\u003ch3\u003eKEY FEATURES\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Biometric Telemetry\u003c\/strong\u003e: Continuously monitors heart rate, blood oxygen saturation (SpO2), and skin temperature variations with high-fidelity sensory accuracy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSleep Architecture Logging\u003c\/strong\u003e: Automatically records deep, REM, and light sleep cycles alongside nighttime heart rate variability (HRV) to optimize recovery metrics.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSleek Titanium Architecture\u003c\/strong\u003e: Crafted from lightweight, durable titanium with a brushed silver finish designed to withstand rigorous daily wear and water submersion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended Battery Lifecycle\u003c\/strong\u003e: Experience up to 7-8 days of uninterrupted health tracking on a single inductive charging cycle for continuous operational readiness.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSPECIFICATIONS\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-bottom: 15px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40%; font-weight: bold; padding: 8px; border: 1px solid #e0e0e0;\"\u003eDevice Type\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #e0e0e0; color: #333;\"\u003ePremium Smart Ring \/ Advanced Biometric Wearable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f5f5f5;\"\u003e\n\u003ctd style=\"width: 40%; font-weight: bold; padding: 8px; border: 1px solid #e0e0e0;\"\u003eOS Version\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #e0e0e0; color: #333;\"\u003eNone (Companion App Compatible)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40%; font-weight: bold; padding: 8px; border: 1px solid #e0e0e0;\"\u003eProcessor \/ CPU\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #e0e0e0; color: #333;\"\u003eCustom Ultra-Low Power Biometric Telemetry DSP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f5f5f5;\"\u003e\n\u003ctd style=\"width: 40%; font-weight: bold; padding: 8px; border: 1px solid #e0e0e0;\"\u003eRAM Size + Type\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #e0e0e0; color: #333;\"\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40%; font-weight: bold; padding: 8px; border: 1px solid #e0e0e0;\"\u003eStorage\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #e0e0e0; color: #333;\"\u003eOnboard Flash Memory (Stores up to several days of telemetry data)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f5f5f5;\"\u003e\n\u003ctd style=\"width: 40%; font-weight: bold; padding: 8px; border: 1px solid #e0e0e0;\"\u003eScreen \/ Display\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #e0e0e0; color: #333;\"\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40%; font-weight: bold; padding: 8px; border: 1px solid #e0e0e0;\"\u003eTouch Screen\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #e0e0e0; color: #333;\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f5f5f5;\"\u003e\n\u003ctd style=\"width: 40%; font-weight: bold; padding: 8px; border: 1px solid #e0e0e0;\"\u003eColor\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #e0e0e0; color: #333;\"\u003eBrushed Silver (Size 11)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40%; font-weight: bold; padding: 8px; border: 1px solid #e0e0e0;\"\u003eBattery\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #e0e0e0; color: #333;\"\u003eIntegrated Rechargeable Lithium-Polymer (Up to 7-8 Days All-Day Battery Lifecycle)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f5f5f5;\"\u003e\n\u003ctd style=\"width: 40%; font-weight: bold; padding: 8px; border: 1px solid #e0e0e0;\"\u003eHardware Upgradeability Rating\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #e0e0e0; color: #333;\"\u003eNon-Upgradeable - Factory-sealed structural ecosystem designed for water resistance; non-modular architecture\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40%; font-weight: bold; padding: 8px; border: 1px solid #e0e0e0;\"\u003eMemory Upgradeability\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #e0e0e0; color: #333;\"\u003eNon-Upgradeability - Fixed microcode layer permanently integrated within the custom logic board layout\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f5f5f5;\"\u003e\n\u003ctd style=\"width: 40%; font-weight: bold; padding: 8px; border: 1px solid #e0e0e0;\"\u003eStorage Upgradeability\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #e0e0e0; color: #333;\"\u003eNon-Upgradeability - Onboard micro-flash storage modules are fixed and embedded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40%; font-weight: bold; padding: 8px; border: 1px solid #e0e0e0;\"\u003ePhysical Ports \u0026amp; Expansion\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #e0e0e0; color: #333;\"\u003eNone (Utilizes dedicated inductive wireless charging dock configuration interface)\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\u003e\n\u003cstrong\u003eBluetooth Wireless\u003c\/strong\u003e: Low-energy Bluetooth (BLE) framework enabling low-power telemetry synchronization with companion smartphones.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWHAT'S INCLUDED\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOura Ring 4 Device (Size 11)\u003c\/li\u003e\n\u003cli\u003eInductive Wireless Charging Dock \/ Cable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDOES NOT INCLUDE\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOriginal Box\u003c\/li\u003e\n\u003cli\u003eAC Wall Power Charging Adapter\u003c\/li\u003e\n\u003c\/ul\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;}\n  body{font-family:'Open Sans',sans-serif;background:#fff;color:#333;line-height:1.6;}\n  .container{max-width:1200px;margin:0 auto;padding:20px;}\n  .top-header{background:#000;color:#fff;padding:10px 20px;text-align:center;}\n  header.main-header{background:#4caf50;padding:20px;text-align:center;}\n  header.main-header h1{color:#fff;font-size:2.5em;margin:0;}\n  .product-description{background:#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 table{width:100%;border-collapse:collapse;}\n  .product-description ul{margin-left: 20px; margin-bottom: 20px;}\n  footer{background:#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":51477770764521,"sku":"JZ90-54220-11^A","price":229.99,"currency_code":"USD","in_stock":false},{"title":"Good","offer_id":51477770797289,"sku":"JZ90-54220-11^B","price":219.99,"currency_code":"USD","in_stock":false},{"title":"Eco-Save","offer_id":51477770830057,"sku":"JZ90-54220-11^C","price":209.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/5433\/3161\/files\/235628.jpg?v=1782920027","url":"https:\/\/r3new.com\/products\/oura-ring4-mart-ring-size-11-silver-jz90-54220-11","provider":"R3NEW","version":"1.0","type":"link"}