{"product_id":"autrefoiself-smart-ring-gen-3-fitness-health-tracker-silver-spo2-sleep-monitor-ip68-waterproof","title":"AutrefoisElf Smart Ring Gen 3 Fitness \u0026 Health Tracker — Silver, SpO2 \u0026 Sleep Monitor, IP68 Waterproof","description":"\u003cp\u003e\u003cstrong\u003eThe AutrefoisElf Smart Ring Gen 3 is a compact wearable that monitors heart rate, sleep, stress, activity, and SpO2 while syncing to a free app with no subscription.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eLightweight and water-resistant, this smart ring blends everyday wear with fitness-focused sensors. Engineered for continuous tracking, it records sleep stages, step counts, calories and more, then presents the data in an easy-to-read mobile app compatible with both Android and iOS. The Gen 3 model adds reliable activity mode support and remote shutter control, making it a practical choice for daily health awareness and active lifestyles.\u003c\/p\u003e\n\n\u003ch3\u003eHow accurate is the AutrefoisElf ring for daily heart rate and oxygen readings?\u003c\/h3\u003e\n\n\u003cp\u003eAutrefoisElf uses a high-precision optical sensor to estimate heart rate and blood oxygen levels during everyday use. Readings are suitable for trend monitoring and fitness decisions, though they are not a substitute for professional medical devices.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eContinuous heart rate tracking throughout the day and during activities.\u003c\/li\u003e\n  \u003cli\u003eSpot SpO2 measurements available via the free app.\u003c\/li\u003e\n  \u003cli\u003eData smoothing for clearer trends rather than single-point diagnostics.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the ring handle sleep and recovery insights?\u003c\/h3\u003e\n\n\u003cp\u003eThe ring automatically logs sleep duration and separates sleep into light, deep and REM stages to deliver a readiness-style score. Use that score and sleep breakdown to better plan workouts or rest days without manual sleep logging.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAutomatic detection of sleep start and wake times for hands-free tracking.\u003c\/li\u003e\n  \u003cli\u003eDetailed sleep stage summary visible in the app with daily trends.\u003c\/li\u003e\n  \u003cli\u003eReadiness score derived from sleep quality and recovery metrics, for practical planning.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat fitness and activity features are included for workouts?\u003c\/h3\u003e\n\n\u003cp\u003eThe Gen 3 supports 139+ sport modes including walking, running, cycling, yoga and swimming, and records steps, distance and estimated calories burned. IP68 waterproofing allows use in showers and most swim sessions, while the ring also doubles as a remote shutter for phone photography.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMulti-sport recording with specific mode selection for better metrics.\u003c\/li\u003e\n  \u003cli\u003eStep counter, distance estimation and calorie calculations for everyday movement tracking.\u003c\/li\u003e\n  \u003cli\u003eIP68 rating: suitable for showering and surface swimming activities.\u003c\/li\u003e\n  \u003cli\u003eRemote camera shutter control for hands-free photos and videos.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long does the battery last and what about sizing?\u003c\/h3\u003e\n\n\u003cp\u003eA short charging cycle yields several days of active use: approximately 3–5 days with typical daily tracking and 5–7 days on standby. Before ordering, measure finger circumference and consult the size chart or the included sizing kit to ensure sensor accuracy and comfort.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFast 1-hour charge for multiple days of use.\u003c\/li\u003e\n  \u003cli\u003eStandby life up to about a week depending on settings and usage.\u003c\/li\u003e\n  \u003cli\u003eAvailable in sizes 6–14; use the sizing kit for a secure fit and reliable readings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The AutrefoisElf Smart Ring Gen 3 suits people who want a subtle, wearable tracker that fits everyday life and workouts without ongoing subscription costs. It’s ideal for active users who value continuous sleep and activity insights, travelers who need durable water resistance, and anyone seeking a discreet alternative to wrist wear for basic health and fitness monitoring.\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: Does the AutrefoisElf ring require a subscription?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. The ring syncs with a free app and delivers health and activity data without any recurring subscription fees.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the ring safe to wear while swimming or showering?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The Gen 3 carries an IP68 rating, suitable for showers and surface swims, but avoid deep-diving or high-pressure water exposure.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"AutrefoisElf","offers":[{"title":"Default Title","offer_id":48424208105629,"sku":"B0GNK6RY3L","price":70.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/9596\/1757\/files\/autrefoiself-ring-front-view-silver.jpg?v=1781366180","url":"https:\/\/nexoltic.com\/products\/autrefoiself-smart-ring-gen-3-fitness-health-tracker-silver-spo2-sleep-monitor-ip68-waterproof","provider":"Nexoltic","version":"1.0","type":"link"}