Miro | | R1 Smart Ring for Women Men Health Tracker Blood Oxygen Heart Rate Monitor Sleep Unisex Smart Rings #11 | | 2025) | Silver | Best Buy
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. | Miro | | R1 Smart Ring for Women Men Health Tracker Blood Oxygen Heart Rate Monitor Sleep Unisex Smart Rings #11 | | 2025) | Silver | Best Buy
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