Miro - R1 Smart Ring for Women Men Health Tracker Blood Oxygen Heart Rate Monitor Sleep Unisex Smart Rings Silver #10 - Silver - (2025)
Ring Size
10Color
SilverFREE shipping to
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Specifications
- Operating System CompatibilityAndroid, Apple iOSOperating SystemAndroidBuilt-in Storage4 gigabytesMetrics MeasuredBlood oxygen, Blood pressure, Calories burned, Cycling speedProtective QualitiesNone
- Key Specs
- Operating System Compatibility: Android, Apple iOS
- Operating System: Android (The operating system manages all software and hardware, including files, memory and connected devices. Most importantly, it lets you interact with your device and your programs in a visual way; otherwise, you'd be typing computer code to get anything done.)
- Built-in Storage: 4 gigabytes
- Metrics Measured: Blood oxygen, Blood pressure, Calories burned, Cycling speed
- Protective Qualities: None
- General
- Brand: Miro
- Model Number: MIRO-R1-MNW7004
- Product Name: R1 Smart Ring for Women Men Health Tracker Blood Oxygen Heart Rate Monitor Sleep Unisex Smart Rings Silver #10
- Color: Silver
- Product Type: Smartwatch
- Form Factor: Ring (The size, arrangement, and physical configuration of the product.)
- Model Family: MIRO R1
- Year of Release: 2025
- Design
- Ring Size: 10
- Ring Size System: US
- Display
- Display Screen: false
- Compatibility
- Operating System Compatibility: Android, Apple iOS
- Operating System: Android (The operating system manages all software and hardware, including files, memory and connected devices. Most importantly, it lets you interact with your device and your programs in a visual way; otherwise, you'd be typing computer code to get anything done.)
- Connectivity
- Data Plan Required: false
- Bluetooth Version: 5.3 (The Bluetooth specification formalized by the Bluetooth Special Interest Group. All versions of the Bluetooth standard are backwards compatible with previous versions.)
- Wireless Connectivity: Bluetooth (The manner in which a device sends data to another device over a short distance without the use of wires or cables.)
- Features
- Built-in Storage: 4 gigabytes
- GPS Enabled: false
- Activity
- Metrics Measured: Blood oxygen, Blood pressure, Calories burned, Cycling speed
- Performance
- Protective Qualities: None
- Dimensions
- Product Height: 1.2 inches (The out of box height of the item. Height is measured as the vertical distance from the bottom of the item to the top as it would be primarily used or placed.)
- Product Width: 3 inches (The out of box width of the item. Width is measured as the horizontal distance from one side of the item to the other as it would be primarily used or placed.)
- Product Weight: 3.2 ounces (The out of box weight of the item.)
- Product Length: 3 inches (The out of box length of the item. Length is measured as the longest dimension of the item.)
- Power
- Rechargeable: true
- Battery Capacity: 250 milliampere hours (The amount of energy stored in the battery.)
- Warranty
- Warranty - Parts: 1 year
- Warranty - Labor: 1 year
- Other
- UPC: 850069960636
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.
- All-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 (10.17+) devices.
Whats Included
- Smart Ring
Q: What does it do with your phone
A: undefined
Q: Does this ring count steps as well?
A: Yes it does! It counts steps, heart rate, pulse-ox, and female cycle.
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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.
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| Pros for Miro - R1 Smart Ring for Women Men Health Tracker Blood Oxygen Heart Rate Monitor Sleep Unisex Smart Rings Silver #10 - Silver - (2025) | |||
|---|---|---|---|
| There were no pros for this product— | Battery Life, Comfort, Sleep Tracking, Water Resistance | There were no pros for this product— | Battery Life, Comfort, Sleep Tracking, Overall Performance, Design |
| Cons for Miro - R1 Smart Ring for Women Men Health Tracker Blood Oxygen Heart Rate Monitor Sleep Unisex Smart Rings Silver #10 - Silver - (2025) | |||
| There were no cons for this product— | Accuracy, Build Quality | There were no cons for this product— | Scratch Resistance, Compatibility, Step Tracking, Features, Sensor Performance |
Specs
Reviews
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.
- Rated 4 out of 5 stars
Great entry level fitness tracking ring
I've had the ring for almost a week and so far so good! I like that it doesn’t scream fitness tracker! I bought the smallest size they have and it is a bit cold so it twirls on my finger. However when I warm up it stays in place just fine. I'm taking off one star because the app interface is lacking. It doesn’t update my information in real-time. I have to click on my steps, then sleep, and so-on before my data will update. And it never shows me accurate battery status. I'm still showing 53% rven after a full charge.
This review is from Miro - R1 Smart Ring for Women Men Health Tracker Blood Oxygen Heart Rate Monitor Sleep Unisex Smart Rings Silver #7 - Silver - (2025)
Posted by MrsP
- Rated 4 out of 5 stars
Good product
Great value product for the price. It does the job
This review is from Miro - R1 Smart Ring for Women Men Health Tracker Blood Oxygen Heart Rate Monitor Sleep Unisex Smart Rings Black #12 - Black - (2025)
Posted by Matt
- Rated 1 out of 5 stars
No Support at All and a Defective Item
I am extremely disappointed with this purchase and with the customer service I’ve received. I have tried to contact the seller multiple times, as well as Best Buy, regarding the return of these rings, and I still haven’t received any real help. The last thing I heard was that someone was supposed to call me back, but no one ever did. Not only was the product itself of poor quality, but the complete lack of support has been incredibly frustrating. I’ve been left without answers and without a solution, and at this point I am extremely upset. I expected better communication and a proper resolution, but instead I’ve been ignored. This has been a very disappointing experience overall.
This review is from Miro - R1 Smart Ring for Women Men Health Tracker Blood Oxygen Heart Rate Monitor Sleep Unisex Smart Rings Brown #8 - Brown - (2025)
Posted by LadyM
