{"product_id":"wnrtsa-smart-ring-fitness-health-tracker-black-12-heart-rate-spo2-long-battery-ip68","title":"WNRTSA Smart Ring Fitness \u0026 Health Tracker (Black, #12) — Heart Rate, SpO2, Long Battery, IP68","description":"\u003cp\u003e\u003cstrong\u003eThe WNRTSA Smart Ring is a slim wearable that monitors heart rate, blood oxygen, sleep, steps and calories without a subscription, offering long battery life and IP68 water resistance.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned for both women and men, this low-profile smart ring brings continuous health and activity tracking into an unobtrusive band you can wear day and night. It pairs with iOS and Android devices to sync data, while its ultra-thin, ergonomic build keeps it comfortable for extended wear. With no app subscription required, you get core biometric and activity insights without recurring fees.\u003c\/p\u003e\n\n\u003ch3\u003eHow accurate are the heart rate and blood oxygen readings?\u003c\/h3\u003e\n\u003cp\u003eThe WNRTSA Smart Ring uses photoplethysmography sensors to estimate heart rate and SpO2 levels throughout the day and during sleep. While consumer wearables provide useful trend information, they are not diagnostic tools; readings are best used to monitor patterns over time rather than single-point medical decisions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eContinuous heart rate monitoring for resting and active states\u003c\/li\u003e\n  \u003cli\u003eIntermittent blood oxygen (SpO2) checks to track nightly and daytime trends\u003c\/li\u003e\n  \u003cli\u003eData stored and viewable in the companion app on iOS and Android\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the ring measure sleep and activity?\u003c\/h3\u003e\n\u003cp\u003eThe ring tracks movement and physiological signals to detect sleep stages, total sleep time and interruptions. For daily activity it counts steps and estimates calories burned, helping you compare nights and days to identify habits and improvements.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSleep duration and pattern tracking with night summaries\u003c\/li\u003e\n  \u003cli\u003eStep counting and calorie estimation for everyday activity\u003c\/li\u003e\n  \u003cli\u003eAutomatic sync to the app for trend charts and history\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat about battery life and charging?\u003c\/h3\u003e\n\u003cp\u003eWNRTSA engineered the ring for long-lasting battery performance so you can wear it multiple days between charges. Charging is straightforward with the included cradle, and the efficient power management reduces how often you need to remove the ring for power.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eExtended battery life designed for multi-day wear\u003c\/li\u003e\n  \u003cli\u003eSimple magnetic\/plug-in charging cradle included\u003c\/li\u003e\n  \u003cli\u003eLow-power sleep tracking mode to conserve energy overnight\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs the ring durable and comfortable for all-day wear?\u003c\/h3\u003e\n\u003cp\u003eThe ultra-thin WNRTSA Smart Ring is crafted with an ergonomic, ball-shaped bonding for a snug fit that feels lighter than many alternatives. Its IP68 rating protects against sweat and brief submersion, making it a practical choice for everyday life and workouts.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUltra-thin, lightweight construction for continuous wear\u003c\/li\u003e\n  \u003cli\u003eIP68 water and dust resistance for showering and light swimming\u003c\/li\u003e\n  \u003cli\u003eAvailable in black with sizes to fit most fingers comfortably\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The WNRTSA Smart Ring suits adults who want passive, low-profile health and activity monitoring without recurring subscription costs. It works well for people who prefer minimal, comfortable wearables that sync with iOS or Android devices and who value multi-day battery life and waterproof durability for everyday use.\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 WNRTSA Smart Ring require a subscription?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No, core tracking features work without a subscription; the app syncs data free of charge.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the ring water resistant for swimming?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The ring is IP68 rated for water and dust resistance, suitable for showering and light swimming.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"WNRTSA","offers":[{"title":"Default Title","offer_id":48436783317149,"sku":"B0GSQ18CY5","price":56.41,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/9596\/1757\/files\/wnrtsa-ring-front-view-black.jpg?v=1781455272","url":"https:\/\/nexoltic.com\/products\/wnrtsa-smart-ring-fitness-health-tracker-black-12-heart-rate-spo2-long-battery-ip68","provider":"Nexoltic","version":"1.0","type":"link"}