The smart ring sensor monitors your sleep, blood oxygen saturation, tracks activity, recovery, calories, blood oxygen, exercise, body temperature, heart rate, stress and more. 24/7 sleep monitoring, automatically records your lunch break, supports most of your sleep patterns, and gives better sleep recommendations by recording different sleep patterns By tracking your heart rate around the clock, you can see how your body is performing during the day, during exercise, and when you're relaxing. If your heartbeat is irregular or too fast or too slow, you can check your health in advance. More accurate in any environment. The ring is equipped with an optical blood oxygen sensor, which enables all-weather blood oxygen monitoring, allowing you to better understand your blood oxygen saturation and make timely adjustments to your body. Fitness smart ring has a timeless design and is suitable for any occasion, whether walking, jogging, training or going out