{"product_id":"nfc-ceramic-smart-ring-fitness-tracker-sleep-heart-rate-spo2","title":"Smart NFC Ceramic Ring – Sleep, Heart Rate \u0026 SpO2 Tracker","description":"\n\u003cp\u003eMeet the \u003cstrong\u003eOla Esporte Smart Ring\u003c\/strong\u003e — a sleek, screenless ceramic wellness ring that quietly monitors your body around the clock. Weighing just 5g and crafted from premium ceramic, it sits comfortably on your finger while tracking the metrics that matter most, syncing everything to your smartphone app. Compatible with Android 5.1+ and iOS 8.0+.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eThese statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Wellness tracking features are intended for general fitness and informational purposes only.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhy You'll Love It\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDiscreet \u0026amp; Stylish:\u003c\/strong\u003e No bulky screen — just a smooth black ceramic ring that looks like everyday jewellery.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e5ATM Waterproof (IP68):\u003c\/strong\u003e Swim, shower, or sweat — it handles it all.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUp to 45 Days Standby \/ 3–5 Days Active Use:\u003c\/strong\u003e Charge in just 30 minutes and forget about it.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNFC Enabled:\u003c\/strong\u003e Contactless convenience built right in.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLightweight:\u003c\/strong\u003e At only 5g, you'll barely notice you're wearing it.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE \u0026amp; FCC Certified\u003c\/strong\u003e for your peace of mind.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHealth \u0026amp; Fitness Tracking Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e🫀 \u003cstrong\u003eHeart Rate Monitoring\u003c\/strong\u003e – Continuous tracking with dynamic trend analysis and historical data (Goodix GH3018 sensor, 98%+ static accuracy).\u003c\/li\u003e\n  \u003cli\u003e💉 \u003cstrong\u003eBlood Pressure Monitoring\u003c\/strong\u003e – On-demand readings logged via the companion app.\u003c\/li\u003e\n  \u003cli\u003e🩸 \u003cstrong\u003eBlood Oxygen (SpO2)\u003c\/strong\u003e – Continuous and on-demand blood oxygen measurement with historical records.\u003c\/li\u003e\n  \u003cli\u003e😴 \u003cstrong\u003eSleep Tracking\u003c\/strong\u003e – Precise sleep stage algorithm with built-in sleep coach reminders.\u003c\/li\u003e\n  \u003cli\u003e🏃 \u003cstrong\u003eActivity Tracking\u003c\/strong\u003e – Steps, distance, and calories burned, all day long.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSport Modes\u003c\/h2\u003e\n\u003cp\u003eRunning · Cycling · Skipping · Hiking · Mountaineering · Yoga · Golf · Dancing\u003c\/p\u003e\n\n\u003ch2\u003eBonus Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e📸 \u003cstrong\u003eRemote Camera Control\u003c\/strong\u003e – Trigger your phone's camera with a shake gesture.\u003c\/li\u003e\n  \u003cli\u003e👨‍👩‍👧 \u003cstrong\u003eFamily Care:\u003c\/strong\u003e Add friends\/family in the app to stay connected on wellness goals.\u003c\/li\u003e\n  \u003cli\u003e📱 \u003cstrong\u003eApp Compatible:\u003c\/strong\u003e Android 5.1+ \/ iOS 8.0+ (scan QR code in manual to download).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\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\u003eSizes Available\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7, 8, 9, 10, 11, 12, 13\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5g\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15mAh (ring) \/ 155mAh (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\u003e3–5 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~0.5 Hour\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWaterproof\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5ATM \/ IP68\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNFC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSensors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGoodix GH3018 (Heart Rate), SC7A20H (G-Sensor)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertification\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\/table\u003e\n\n\u003ch2\u003eSetup Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eUpon receiving, charge the ring via 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 and install the companion app, then pair your ring.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eExplore More Wellness \u0026amp; Tech\u003c\/h2\u003e\n\u003cp\u003ePair your smart ring routine with other health-supporting tools:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/0-3ml-0-5ml-ampoule-head-cartridge-hyaluron-pen-skin-care\"\u003e0.3ml \u0026amp; 0.5ml Hyaluron Pen Ampoule Head Cartridge | Skin Care\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/ampoule-head-shock-absorbing-cap-adapter-03ml-05ml-hyaluronic-pen\"\u003e0.3ml \u0026amp; 0.5ml Ampoule Head Cap Adapter for Hyaluronic Pen\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAuthoritative Resource\u003c\/h2\u003e\n\u003cp\u003eLearn more about how wearable fitness trackers work and how to use health data effectively at the CDC Physical Activity Resource Center.\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 Ola Esporte Smart Ring have a display screen?\u003c\/h4\u003e\n\u003cp\u003eA: No, the smart ring has no display screen. All of your health and fitness data — including heart rate, blood oxygen, sleep tracking, steps, and blood pressure — is viewed through the companion smartphone app, compatible with Android 5.1+ and iOS 8.0+.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What ring sizes are available, and how do I choose the right one?\u003c\/h4\u003e\n\u003cp\u003eA: The ceramic smart ring is available in sizes 7 through 13 (US sizing). We recommend measuring your finger diameter in millimetres and comparing to a standard ring size chart. A properly fitting ring ensures accurate sensor contact for the best heart rate and SpO2 readings.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How long does the battery last, and how does the charging case work?\u003c\/h4\u003e\n\u003cp\u003eA: The ring itself lasts approximately 3–5 days of active use, or up to 45 days on standby. The included charging case holds a 155mAh reserve battery, and the ring charges fully in around 30 minutes. The case itself can also serve as a portable power bank for the ring when you're on the go.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is the smart ring truly waterproof?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The ring carries a 5ATM \/ IP68 waterproof rating, meaning it can withstand submersion and is safe to wear while swimming, showering, or exercising in wet conditions.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does the NFC feature work for contactless payments?\u003c\/h4\u003e\n\u003cp\u003eA: The ring includes NFC support. NFC functionality (such as access cards or payment capabilities) may vary depending on your region, mobile device, and supported apps. Please check compatibility with your specific bank or NFC service provider.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Does the Ola Esporte Smart Ring have a display screen?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No, the smart ring has no display screen. All of your health and fitness data — including heart rate, blood oxygen, sleep tracking, steps, and blood pressure — is viewed through the companion smartphone app, compatible with Android 5.1+ and iOS 8.0+.\"}}, {\"@type\": \"Question\", \"name\": \"What ring sizes are available, and how do I choose the right one?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The ceramic smart ring is available in sizes 7 through 13 (US sizing). We recommend measuring your finger diameter in millimetres and comparing to a standard ring size chart. 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