Smart ring activity tracker Round Black Heart rate monitor Hours slept Quality of sleep Bluetooth 5.2 500 mAh Battery life: 7 day(s) The Ultimate Wearable DeviceExperience more accurate biometric data with RingConn-lighter, refined, and personalized. Get tailored advice from continuous 24/7 monitoring for the perfect sleep and activity tracking experience.Tailored Health GuidanceRingConn delivers personalized advice based on deep health insights, offering comprehensive wellness support with easy-to-understand metrics, improve your overall health.Durability GuaranteeRingConn's titanium construction ensures resilience in any environment. Lightweight at 3-5g, it offers superior strength, corrosion resistance, and biocompatibility, ideal for worry-free wear.Perfect Fit, Perfect PerformanceRingConn's Sizing Solution ensures optimal comfort and precise tracking. Our custom sizer guarantees the perfect fit, enhancing your wearable experience. Performance Touchscreen No Display type No Design