{"product_id":"nfc-smart-ring-2025-heart-rate-spo2-sleep-tracker-ceramic","title":"NFC Smart Ring 2025 – Heart Rate, SpO2 \u0026 Sleep Tracker","description":"\n\u003ch2\u003eTrack Your Wellness 24\/7 — No Screen Required\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eOla Esporte NFC Smart Ring 2025\u003c\/strong\u003e is the sleek, screenless way to stay on top of your fitness and wellness goals. Crafted from premium \u003cstrong\u003eceramic\u003c\/strong\u003e and weighing just 5 g, it sits comfortably on your finger all day and night while continuously monitoring your heart rate, blood oxygen (SpO₂), sleep quality, and activity levels. Compatible with Android 5.1+ and iOS 8.0+, it syncs effortlessly with the companion app for real-time trends, historical data, and personalised coaching insights. Made in China.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003e* These statements have not been evaluated by the Food and Drug Administration. This device is not intended to diagnose, treat, cure, or prevent any disease. Health-tracking data is intended for general wellness purposes only and should not replace professional medical advice.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeart Rate Monitoring\u003c\/strong\u003e – Powered by the Goodix GH3018 sensor; static accuracy exceeds 98%. View real-time trends and historical data via the app.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBlood Oxygen (SpO₂) Tracking\u003c\/strong\u003e – Continuous monitoring with full history accessible in-app.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdvanced Sleep Analysis\u003c\/strong\u003e – Precision sleep algorithm tracks sleep stages and provides smart coaching reminders to improve your rest routine.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e8 Multi-Sport Modes\u003c\/strong\u003e – Running, cycling, skipping, hiking, mountaineering, yoga, golf, and dancing — your ring keeps up with your lifestyle.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eActivity Tracking\u003c\/strong\u003e – Accurate step count, distance, and calorie data logged automatically throughout the day.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNFC Support\u003c\/strong\u003e – Built-in NFC for convenient contactless features.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRemote Camera Control\u003c\/strong\u003e – Trigger your phone's camera with a shake via the app — great for hands-free photos.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e5ATM Waterproof\u003c\/strong\u003e – Rated IP68; wear it swimming, showering, or through any sweat session without worry.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUp to 45-Day Standby \/ 3–5 Day Active Use\u003c\/strong\u003e – Long battery life with just a 30-minute charge time.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE \u0026amp; FCC Certified\u003c\/strong\u003e – Meets international safety and electromagnetic standards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCeramic\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAvailable Sizes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8, 9, 10, 11, 12\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 g\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e155 mAh (charging case)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandby Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~45 days\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWorking Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~3–5 days\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCharge Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~30 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHeart Rate Sensor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGoodix GH3018\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eG Sensor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSC7A20H\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWaterproof Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5ATM \/ IP68\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnectivity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBluetooth + NFC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible OS\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAndroid 5.1+ \/ iOS 8.0+\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCE, FCC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eGetting Started\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003eUpon receipt, charge the ring using the included charging case for at least 2 hours before first use.\u003c\/li\u003e\n  \u003cli\u003eScan the QR code in the manual to download the companion app.\u003c\/li\u003e\n  \u003cli\u003ePair via Bluetooth, select your ring size, and start tracking immediately.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003ePerfect Gift Idea\u003c\/h3\u003e\n\u003cp\u003eElegant, lightweight, and packed with wellness features, the Ola Esporte Smart Ring makes a thoughtful gift for birthdays, weddings, or any special occasion — for both men and women.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-8m-displayport-to-hdmi-cable-4k-dp-adapter-pc-hdtv-projector\"\u003e1.8M DisplayPort to HDMI Cable 4K – DP Adapter for PC \u0026amp; TV\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/usb-c-to-hdmi-cable-1-8m-4k-macbook-laptop-phone\"\u003e1.8M USB-C to HDMI Cable 4K – MacBook, Laptop \u0026amp; Phone\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more information on how wearable health trackers collect and use biometric data, visit the CDC Physical Activity resources.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Smart_ring\" target=\"_blank\" rel=\"noopener\"\u003eSmart ring\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Does the NFC Smart Ring work with both iPhone and Android phones?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The Ola Esporte Smart Ring is compatible with Android 5.1 or above and iOS 8.0 or above. Simply download the companion app by scanning the QR code in the included manual, pair via Bluetooth, and you're ready to start tracking.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is the smart ring truly waterproof for swimming?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The ring carries a 5ATM \/ IP68 waterproof rating, meaning it can withstand submersion in water up to 50 metres. You can wear it while swimming, showering, or during intense workouts without any concern about water damage.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How long does the battery last, and how do I charge it?\u003c\/h4\u003e\n\u003cp\u003eA: In active use (with health monitoring running), you can expect 3–5 days of battery life. In standby mode it can last up to 45 days. The ring charges via the included charging case and reaches full charge in approximately 30 minutes. The case itself has a 155 mAh capacity to top up your ring on the go.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What ring sizes are available, and how do I find my size?\u003c\/h4\u003e\n\u003cp\u003eA: The smart ring is available in sizes 8, 9, 10, 11, and 12. We recommend using a ring-sizing guide or visiting a local jeweller to measure your finger before ordering, as the ring should fit snugly without being tight to ensure accurate sensor readings.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How accurate is the heart rate monitoring?\u003c\/h4\u003e\n\u003cp\u003eA: The Goodix GH3018 heart rate sensor achieves over 98% accuracy for static heart rate readings compared with laboratory-grade heart rate belt testing. The app also stores historical heart rate data so you can review trends over time.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Does the NFC Smart Ring work with both iPhone and Android phones?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! The Ola Esporte Smart Ring is compatible with Android 5.1 or above and iOS 8.0 or above. Simply download the companion app by scanning the QR code in the included manual, pair via Bluetooth, and you're ready to start tracking.\"}}, {\"@type\": \"Question\", \"name\": \"Is the smart ring truly waterproof for swimming?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Absolutely. The ring carries a 5ATM \/ IP68 waterproof rating, meaning it can withstand submersion in water up to 50 metres. 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