{"product_id":"sm-r390-smart-fitness-band-heart-rate-sleep-step-tracker","title":"SM-R390 Smart Fitness Band – Heart Rate, Sleep \u0026 Step Tracker","description":"\n\u003cp\u003eMeet the \u003cstrong\u003eSM-R390 Smart Fitness Band by Ola Esporte\u003c\/strong\u003e — a feature-packed sports bracelet designed for men and women who want to stay on top of their wellness goals without sacrificing style or comfort. With Bluetooth 5.2, a vibrant 0.96-inch touch display, and up to 20 days of standby battery life, this smart band keeps you connected and informed around the clock.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eThis product is made in Mainland China.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Health metrics (heart rate, blood oxygen, blood pressure) are intended for general wellness tracking purposes only and are not a substitute for professional medical advice.\u003c\/p\u003e\n\n\u003ch2\u003eWhy You'll Love the SM-R390 Smart Band\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComprehensive Fitness Tracking:\u003c\/strong\u003e Monitor your steps, calories burned, distance travelled, and active minutes throughout the day. Multiple sport modes — including running, cycling, and skipping — keep your workouts organized and logged.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHealth Monitoring Suite:\u003c\/strong\u003e Continuous heart rate tracking, blood oxygen (SpO2) monitoring, blood pressure measurement, and sleep analysis give you meaningful insights into your daily wellness at a glance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUp to 20-Day Battery Life:\u003c\/strong\u003e A 90mAh battery delivers up to 20 days of standby time and 3–5 days of typical use, so you can focus on your day — not on charging.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIP67 Water \u0026amp; Sweat Resistant:\u003c\/strong\u003e Built to handle an active lifestyle, the IP67-rated body shrugs off rain, sweat, and splashes with ease.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSmart Notifications On Your Wrist:\u003c\/strong\u003e Get call alerts, message notifications, app reminders, sedentary nudges, and alarm reminders right on your wrist — compatible with Android 4.4+ and iOS 8.4+.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRaise-to-Wake \u0026amp; Customizable Faces:\u003c\/strong\u003e The raise-to-wake gesture keeps information instantly accessible. Switch between two watch faces and adjust brightness to suit any environment.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGlobal App Support:\u003c\/strong\u003e The free \"Dayband\" companion app supports 12+ languages and syncs seamlessly with iOS Health and WeChat Sport. OTA updates keep your band current.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComfortable, Stylish Design:\u003c\/strong\u003e At just 44g, the lightweight TPU strap is available in 10 vibrant colors — Black, White, Red, Pink, Orange, Light Blue, Dark Blue, Light Purple, Dark Purple, and Green.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCPU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFR8003D\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.96-inch LCD Touch Screen (160×80 resolution)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBluetooth\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5.2\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e90mAh | Standby: 20 days | Use: 3–5 days\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWater Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP67 Life Waterproof\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCharging\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard USB Port\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStrap Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTPU\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBody Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e44g\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAndroid 4.4+ \/ iOS 8.4+\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, RoHS, WEEE\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\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eSoftware Features\u003c\/h2\u003e\n\u003cp\u003eTime display · Step counting · Calorie tracking · Distance · Sport modes · Raise-to-wake · Sleep monitoring · Running track · Incoming call alerts · Message notifications · Sedentary reminders · Alarm reminders · Do Not Disturb · Find My Bracelet · Dial switching · Brightness adjustment · Weather display · Heart rate (continuous) · Blood oxygen · Blood pressure\u003c\/p\u003e\n\n\u003ch2\u003eExplore More Fitness \u0026amp; Tech\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-3m-spiral-cable-protector-xiaomi-m365-ninebot-electric-scooter\"\u003e1.3m Spiral Cable Protector for Xiaomi M365 \u0026amp; Ninebot Scooter\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/temporary-tattoo-markers-dual-end-10-colors-body-face-paint-pens\"\u003e10 Dual-End Temporary Tattoo Markers – Body \u0026amp; Face Paint Pens\u003c\/a\u003e\u003c\/li\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\u003c\/ul\u003e\n\n\u003cp\u003eFor more information on how wearable fitness trackers can support an active lifestyle, visit the CDC Physical Activity Resource Center.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Fitness_tracker\" target=\"_blank\" rel=\"noopener\"\u003eFitness tracker\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Is the SM-R390 smart fitness band compatible with iPhones and Android phones?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The SM-R390 is compatible with Android 4.4 and above, as well as iOS 8.4 and above. Simply download the free \"Dayband\" app and connect via Bluetooth 5.2 to start syncing your fitness and health data.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How long does the battery last on the SM-R390 smart band?\u003c\/h4\u003e\n\u003cp\u003eA: The SM-R390 features a 90mAh battery that provides up to 20 days of standby time and approximately 3–5 days of regular usage on a single USB charge — ideal for busy, on-the-go users.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is the SM-R390 fitness tracker waterproof?\u003c\/h4\u003e\n\u003cp\u003eA: The SM-R390 carries an IP67 life waterproof rating, meaning it is resistant to sweat, rain, and brief splashes. It is suitable for everyday active use, though it is not designed for swimming or full submersion.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What colors does the SM-R390 smart band come in?\u003c\/h4\u003e\n\u003cp\u003eA: The SM-R390 TPU strap is available in 10 colors: Black, White, Red, Pink, Orange, Light Blue, Dark Blue, Light Purple, Dark Purple, and Green — so you can match your band to your personal style.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What health metrics does the SM-R390 track?\u003c\/h4\u003e\n\u003cp\u003eA: The SM-R390 tracks continuous heart rate, blood oxygen (SpO2) levels, blood pressure readings, sleep quality, steps, calories, and distance. These metrics are intended for general wellness awareness and are not a substitute for professional medical advice.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is the SM-R390 smart fitness band compatible with iPhones and Android phones?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! The SM-R390 is compatible with Android 4.4 and above, as well as iOS 8.4 and above. 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