Smart Ring Wearable Fitness Tracker Sleep Tracking Heart Rate Blood Oxygen Water

After purchase please message ring size + color (black, silver or gold) Wireless Fitness Tracker, Step/Sleep/Calorie Monitor, Shake-to-Take-Photo App Control, Ultra-Low Power, Stylish Gift, Health Tracker Ring | Polished Finish | Magnetic Closure, Smart Fitness Watch 【Health Tracking】This slim smart ring health tracker can track 24-hour sleep quality, activity level, heart rate, blood oxygen saturation, and daily calorie burning. The smart health ring can keep track of your health status and overall health at any time. Clear and visible health status. 【Precise sleep monitoring】Ultra-thin smart ring can also automatically monitor your sleep. This sleep tracking loop allows you to view daily, weekly, and monthly sleep data in the application. Improve your sleep quality through detailed reports. 【Waterproof and Comfortable Material】smart ring health tracker provides IP68 waterproof protection, which means you can use it with confidence without taking it off when washing your hands