Miro - R1 Smart Ring for Women Men Health Tracker Blood Oxygen Heart Rate Monitor Sleep Unisex Smart Rings Black #7 - Black - (2025)
Customers are saying
Customers appreciate the overall performance of this product, with users describing it as great. However, some users noted that the battery life is limited, lasting only about two hours.
Color
BlackAll-Day Health Monitoring in a Ring
Experience medical-grade health tracking with exceptional accuracy: over 95% static heart rate precision (lab-tested vs. chest straps), continuous SpO2 monitoring, and advanced sleep analysis – all conveniently packed into your lightweight (2.8g) ring.
Precision Fitness & Activity Tracking
Go beyond steps with lab-developed algorithms achieving >95% step counting accuracy (comparable to Garmin). Track multiple activities (running, walking, cycling) with GPS route mapping via the app and get precise calorie & distance data.
Effortless Wear & Long-Lasting Comfort
Enjoy the unique comfort of a sleek, premium stainless steel ring (SUS304 + PVD coating). Its minimalist design requires no buttons or touch, offers 5ATM water resistance, and delivers an impressive 7-10 days of typical use on a single 1-hour magnetic charge.
Smart Convenience & Global Connectivity
Seamlessly control your phone's camera or videos and access your health data globally. The JRing app supports 28 languages and OTA updates, working with both Android (5.0+) and iOS (10.0+) devices.
- Operating System CompatibilityAndroid, Apple iOSOperating SystemAndroidBuilt-in Storage4 gigabytesMetrics MeasuredBlood oxygen, Blood pressure, Cycling speed, Calories burnedProtective QualitiesNone
Reviews
Rating 2.6 out of 5 stars with 13 reviews
- Overall Performance (3)
- Battery Life (3)
Customer Images
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
Compare similar products
The MIRO R1 Ring is a lightweight (2.8g), stylish smart ring (sizes 7-13) crafted from SUS304 stainless steel with PVD coating. Powered by a Dialog DA14531 chip and Bluetooth 5.3, it offers advanced health monitoring: 95%+ accurate heart rate (Tianyi 3918 sensor), blood oxygen, and sleep tracking via the JRing app. Features include multi-sport GPS tracking (running, walking, cycling), precise step counting (>95% accuracy), and app-controlled camera/video functions. With 5ATM waterproofing, magnetic charging (1 hour), 7-10 day battery life (12-18mAh depending on size), and support for 28 languages via OTA-updatable app (Android 5.0+/iOS 10.0+), it's your ultimate wearable companion.
The MIRO R1 Ring is a lightweight (2.8g), stylish smart ring (sizes 7-13) crafted from SUS304 stainless steel with PVD coating. Powered by a Dialog DA14531 chip and Bluetooth 5.3, it offers advanced health monitoring: 95%+ accurate heart rate (Tianyi 3918 sensor), blood oxygen, and sleep tracking via the JRing app. Features include multi-sport GPS tracking (running, walking, cycling), precise step counting (>95% accuracy), and app-controlled camera/video functions. With 5ATM waterproofing, magnetic charging (1 hour), 7-10 day battery life (12-18mAh depending on size), and support for 28 languages via OTA-updatable app (Android 5.0+/iOS 10.0+), it's your ultimate wearable companion.
The MIRO R1E HealthWear Smart Ring is a premium, feature-packed wearable seamlessly integrating advanced health and fitness monitoring into a sleek, stainless steel ring design. Equipped with medical-grade sensors from Goodix (ECG, PPG AFE, Body Temperature) and an SC-7A20H G-Sensor, it delivers comprehensive tracking including: Accurate Health Metrics: Resting ECG, continuous SpO2, dynamic heart rate (resting ±5bpm accuracy), body temperature, and non-medical blood glucose trends. Advanced Fitness & Wellness: Precision step counting (>95% accuracy), multi-sport GPS tracking (running, walking, cycling), detailed sleep staging analysis, and menstrual cycle prediction. Robust Build: Crafted from SUS304 stainless steel with PVD coating, AF treatment, waterproof to 5ATM, and featuring high-voltage charging protection (up to 24V OVP). Long-Lasting: Enjoy 5-7 days of typical use or 8-10 days standby on a single 1-hour magnetic charge (16mAh/22mAh polymer battery sizes available). Seamless Experience: Controlled via the HealthWear app (supporting 28 languages), offering historical data, trends, and OTA updates. Compatible with Android 5.0+ and iOS 10.0+.
The MIRO R1 Ring is a lightweight (2.8g), stylish smart ring (sizes 7-13) crafted from SUS304 stainless steel with PVD coating. Powered by a Dialog DA14531 chip and Bluetooth 5.3, it offers advanced health monitoring: 95%+ accurate heart rate (Tianyi 3918 sensor), blood oxygen, and sleep tracking via the JRing app. Features include multi-sport GPS tracking (running, walking, cycling), precise step counting (>95% accuracy), and app-controlled camera/video functions. With 5ATM waterproofing, magnetic charging (1 hour), 7-10 day battery life (12-18mAh depending on size), and support for 28 languages via OTA-updatable app (Android 5.0+/iOS 10.0+), it's your ultimate wearable companion.
| Pros for Miro - R1 Smart Ring for Women Men Health Tracker Blood Oxygen Heart Rate Monitor Sleep Unisex Smart Rings Black #7 - Black - (2025) | |||
|---|---|---|---|
| Overall Performance | Overall Performance | There were no pros for this product— | Overall Performance |
| Cons for Miro - R1 Smart Ring for Women Men Health Tracker Blood Oxygen Heart Rate Monitor Sleep Unisex Smart Rings Black #7 - Black - (2025) | |||
| Battery Life | Battery Life | There were no cons for this product— | Battery Life |
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