{"product_id":"autrefoiself-smart-ring-gen-3-slim-health-fitness-ring-silver-size-8-with-hr-spo2-ip68-waterproof","title":"AutrefoisElf Smart Ring Gen 3 — Slim Health \u0026 Fitness Ring (Silver, Size 8) with HR, SpO2 \u0026 IP68 Waterproof","description":"\u003cb\u003eThe AutrefoisElf Smart Ring Gen 3 is a compact wearable that tracks heart rate, sleep, steps and stress with a free app and no subscription fees.\u003c\/b\u003e\n\n\u003cp\u003eDesigned for people who want continuous insight without bulky wristwear, this slender ring combines multi-sensor tracking and everyday durability. It pairs with Android and iOS via a complimentary app to show heart rate, blood oxygen, sleep stages, activity and readiness scores. The IP68 rating and long battery life make it suitable for everyday use and many sport activities, while the included sizing guidance helps ensure reliable sensor contact.\u003c\/p\u003e\n\n\u003ch3\u003eHow accurate are the health and activity measurements?\u003c\/h3\u003e\n\u003cp\u003eThe Gen 3 uses a high-precision optical sensor and motion algorithms to estimate heart rate, blood oxygen and activity metrics. While it provides reliable trends and daily summaries, it is intended for wellness tracking rather than diagnostic use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eContinuous heart-rate sampling for resting and activity trends\u003c\/li\u003e\n  \u003cli\u003eBlood-oxygen readings to complement sleep and recovery data\u003c\/li\u003e\n  \u003cli\u003eStep, distance and calorie estimates with over 139 sport modes\u003c\/li\u003e\n  \u003cli\u003eAutomatic sleep staging: deep, light, REM and wake detection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat battery life and charging should I expect?\u003c\/h3\u003e\n\u003cp\u003eCharging is fast and convenient: a one-hour charge supports multiple days of active use. Typical real-world use yields 3–5 days of active tracking and 5–7 days on standby, depending on features used and syncing frequency.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e1 hour charge → 3–5 days active use\u003c\/li\u003e\n  \u003cli\u003e5–7 days standby when features are minimized\u003c\/li\u003e\n  \u003cli\u003eQuick top-ups if you use continuous heart-rate or frequent notifications\u003c\/li\u003e\n  \u003cli\u003eCharge before long trips or heavy training blocks to avoid downtime\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs it durable and comfortable for daily wear?\u003c\/h3\u003e\n\u003cp\u003eThe ring is engineered for everyday comfort with sizes 6 through 14 and an included sizing kit to maximize fit and sensor contact. Its IP68 waterproof rating allows wearing in the shower, during swimming, or in wet weather without removing it.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAvailable sizes 6–14; use the sizing kit before ordering\u003c\/li\u003e\n  \u003cli\u003eIP68 waterproof for handwashing, rain and pool use\u003c\/li\u003e\n  \u003cli\u003eLow-profile, lightweight design for all-day comfort\u003c\/li\u003e\n  \u003cli\u003eDurable materials resist daily wear and outdoor activity\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the app work and are there extra fees?\u003c\/h3\u003e\n\u003cp\u003eThe companion app syncs readings to your phone for visualized trends, sleep insights and a recovery-ready score. AutrefoisElf provides the app free with no recurring subscription, so recorded data and basic analytics are available at no monthly cost.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFree app for Android and iOS — no subscription required\u003c\/li\u003e\n  \u003cli\u003eView sleep stages, stress level, heart rate graphs and activity logs\u003c\/li\u003e\n  \u003cli\u003eSet goals, view historical trends and export basic summaries\u003c\/li\u003e\n  \u003cli\u003eRemote shutter feature for phone cameras during hands-free shots\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The AutrefoisElf Smart Ring Gen 3 suits commuters, fitness enthusiasts and anyone who prefers a discreet wearable that provides round-the-clock wellness data without subscription fees. It’s appropriate for users who want sleep analysis, basic stress monitoring, multi-sport tracking and waterproof reliability in a low-profile form factor. Measure your finger with the sizing kit before ordering to ensure a proper fit and accurate sensor readings.\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 companion app is free to use and there are no monthly subscription fees for tracking or insights.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I wear the ring while swimming or showering?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The ring is IP68 waterproof and designed to be worn in the shower, rain, and swimming pools.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"AutrefoisElf","offers":[{"title":"Default Title","offer_id":48424158068893,"sku":"B0GNJTH74D","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.jpg?v=1781366079","url":"https:\/\/nexoltic.com\/products\/autrefoiself-smart-ring-gen-3-slim-health-fitness-ring-silver-size-8-with-hr-spo2-ip68-waterproof","provider":"Nexoltic","version":"1.0","type":"link"}