Smart ring activity tracker Round Titanium Heart rate monitor Active minutes Calories burned Distance travelled Hours slept Quality of sleep Workout tracking Waterproof Bluetooth 5.0 Lithium Polymer (LiPo) 24 mAh Battery life: 6 day(s) Sleep better than ever beforeDiscover the key to sleeping better. Get an everyday sleep score that shows how well you've rested. Track your sleep stages, learn what affects your sleep quality, and unlock personalized tools for better nights. Wake up refreshed and ready for anything.The edge in your recovery gameDynamic Recovery analyzes key physiological markers for a real-time Recovery Score. Understand how sleep, stress rhythm, skin temperature, and HRV affect your body's restoration. Improve recovery with power naps and breathwork techniques.Engineer your LongevityLeverage the Ring AIRs cutting-edge, passive and preventive health monitoring capabilities to set yourself on a path toward extended vitality and your quest for a longer, healthier life.AFi