{"product_id":"smart-ring-fitness-tracker-heart-rate-sleep-spo2-monitor-waterproof","title":"Smart Ring Fitness Tracker – Heart Rate, Sleep \u0026 SpO2 Monitor","description":"\n\u003ch2\u003eTrack Your Wellness 24\/7 — Right on Your Finger\u003c\/h2\u003e\n\u003cp\u003eMeet the ultimate screen-free wearable: a sleek, lightweight smart ring that quietly tracks your heart rate, blood oxygen (SpO₂), sleep quality, steps, calories, and distance — all from a stylish steel ring weighing just 5 grams. Available in Black, Gold, and Silver, it fits seamlessly into daily life whether you're hitting the gym, heading to the office, or winding down for the night.\u003c\/p\u003e\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eWhy You'll Love This Smart Ring\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComprehensive Health Monitoring:\u003c\/strong\u003e Continuously tracks heart rate (GH3018 sensor, 98%+ static accuracy), blood oxygen (SpO₂), and sleep stages with smart sleep-coach reminders — all synced to your smartphone app.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e8 Sport Modes:\u003c\/strong\u003e Running, cycling, rope skipping, walking, mountaineering, yoga, dance, and golf — each with accurate step count, distance, and calorie data.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIP68 Waterproof (5ATM):\u003c\/strong\u003e Swim, shower, or sweat freely. This ring is built to keep up with your most active days.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-Long Battery Life:\u003c\/strong\u003e 15mAh battery delivers up to 3–5 days of active use and up to 45 days on standby. Charges fully in just 30 minutes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo Screen Needed:\u003c\/strong\u003e All data is viewable in the companion app — keeping the ring thin, elegant, and comfortable for all-day, all-night wear.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSmart Extras:\u003c\/strong\u003e Sedentary reminders, low battery alerts, heart rate alerts, unit format settings, and an in-app shake-to-capture camera control.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE \u0026amp; FCC Certified:\u003c\/strong\u003e Meets international safety and electromagnetic compliance standards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Specifications\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\u003eSteel\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\u003eColors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack, Gold, Silver\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAvailable Sizes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e#6 (16.5mm) · #7 (17.4mm) · #8 (18.2mm) · #9 (19.0mm) · #10 (19.9mm) · #11 (20.7mm) · #12 (21.5mm) · #13 (22.2mm) · #14 (23.0mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15mAh\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~30 minutes (≤1A charger)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWaterproof Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP68 \/ 5ATM\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSensors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eG-Sensor: STK8321 · Heart Rate: GH3018\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\u003eDisplay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNone (app-based)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNFC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland 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 receiving your ring, charge it for at least 2 hours using the included charging adapter before first use.\u003c\/li\u003e\n  \u003cli\u003eScan the QR code in the included manual to download the companion app, then pair your ring via Bluetooth.\u003c\/li\u003e\n  \u003cli\u003eSelect your ring size from the size chart, open the app, and start exploring your wellness data!\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eExplore More Wellness \u0026amp; Fitness Gear\u003c\/h3\u003e\n\u003cp\u003eLooking for more ways to stay active and feel great? Check out our \u003ca href=\"\/products\/1-percent-better-every-day-motivational-canvas-wall-art-print\"\u003e\"1% Better Every Day\" Motivational Canvas Wall Art Print\u003c\/a\u003e to keep your fitness mindset strong, or browse our \u003ca href=\"\/products\/hey-you-got-this-motivational-canvas-wall-art-print\"\u003e\"Hey, You Got This\" Motivational Canvas Wall Art Print\u003c\/a\u003e for daily inspiration.\u003c\/p\u003e\n\n\u003ch3\u003eExternal Resource\u003c\/h3\u003e\n\u003cp\u003eFor general information on wearable fitness trackers and how they measure physical activity, visit the CDC Physical Activity resource.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What ring size should I order for my smart ring fitness tracker?\u003c\/h4\u003e\n\u003cp\u003eA: Measure the inner diameter of a ring that fits your finger comfortably, or wrap a strip of paper around your finger and measure the circumference. Match the measurement to our size chart: #6 (16.5mm) through #14 (23.0mm). When between sizes, we recommend sizing up for comfort during extended all-day wear.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is the smart ring waterproof enough for swimming?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The ring carries an IP68 \/ 5ATM waterproof rating, making it suitable for swimming, showering, and other water activities. Avoid prolonged submersion beyond the rated depth, and rinse the ring with fresh water after saltwater or chlorinated pool exposure.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do I view my heart rate, SpO₂, and sleep data?\u003c\/h4\u003e\n\u003cp\u003eA: All health metrics — including real-time heart rate readings, blood oxygen (SpO₂) trends, and detailed sleep stage breakdowns — are displayed in the free companion smartphone app. Simply scan the QR code in the included manual to download and pair the app via Bluetooth.\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: With active tracking enabled, expect 3–5 days of use per charge. In standby mode, the battery can last up to 45 days. A full recharge takes approximately 30 minutes using the included magnetic adapter with a ≤1A power source.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What ring size should I order for my smart ring fitness tracker?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Measure the inner diameter of a ring that fits your finger comfortably, or wrap a strip of paper around your finger and measure the circumference. Match the measurement to our size chart: #6 (16.5mm) through #14 (23.0mm). When between sizes, we recommend sizing up for comfort during extended all-day wear.\"}}, {\"@type\": \"Question\", \"name\": \"Is the smart ring waterproof enough for swimming?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! 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