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R02 Smart Ring, Smart Ring for Women and Men, with a Charging Case, Supports Heart Rate, Blood Oxygen, Sleep Health Monitoring, No Subscription Fee. (Rose Gold, 12#)

Before purchasing the R02 smart ring, we strongly recommend obtaining the sizing kit or measuring your finger according to the provided size chart to ensure you select the correct ring size for a comfortable fit. No monthly subscription fees are required. Enjoy all features immediately, including core data like heart rate monitoring, sleep analysis, and 24/7 activity tracking, for straightforward health management. The 24/7 smart heart rate measurement helps you understand your heart rate status and monitor for any abnormalities, keeping you informed about your daily health. Battery life depends on your usage frequency. Basic Mode (4-5 days): Tracks steps and basic sleep only. Balanced Mode (3-4 days): Syncs heart rate every 60 minutes. Enhanced Mode (2-3 days): Monitors heart rate in real-time throughout the day. Daily charging is typically needed. A compact charging case is included for convenient charging anywhere. It tracks continuous nighttime rest to provide insights into overall wellness trends. The algorithm is precisely calibrated for nighttime cycles to maintain data accuracy. Long-term activity trends are tracked by analyzing natural arm swings. The algorithm filters out stationary hand movements to avoid data inaccuracies, supporting your holistic health and lifestyle objectives.

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Additional Information
First Listed on Newegg	June 10, 2026

Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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