R02 Smart Ring, Smart Ring for Women and Men, No Subscription Fee, with a Charging Case, Supports Heart Rate, Blood Oxygen, Sleep Health Monitoring, and Sports Tracking Ring. (Pink Ceramic, 10#)

Before purchasing the R02 smart ring, we strongly advise that you acquire the sizing kit or measure your finger size according to the size chart to select the proper ring size for a comfortable fit. No app subscription fee is needed. Forget about monthly payments! The smart ring requires no subscription. Access all features immediately, unlocking key data like heart rate monitoring, sleep analysis, and 24/7 activity tracking for straightforward health management. Heart Rate Measurement: 24/7 smart heart rate measurement helps you understand your heart rate status and monitor for abnormalities, keeping you informed about your daily health. Battery: Your usage frequency determines power consumption. Basic Mode (4-5 days): Tracks only steps and basic sleep. Balanced Mode (3-4 days): Synchronizes heart rate every 60 minutes. Enhanced Mode (2-3 days): Monitors heart rate in real-time throughout the day. Requires frequent daily charging. Portable Charging Case: Comes with a compact charging case for charging anytime, anywhere. Nighttime Sleep Insights: Tracks continuous night rest for comprehensive wellness trends. Note: The algorithm is strictly calibrated for nighttime cycles to ensure data purity. Daily Health Tracking: Tracks long-term activity trends through natural arm swings. The algorithm filters out stationary hand movements to prevent data errors. Supports achieving overall health and lifestyle goals