Fitness Activity Tracker: The fitness ring can track a variety of activities and serves as a comprehensive fitness tracker. By monitoring the calories you burn and activity level, it keeps your fitness goals on track. The fitness ring helps you stay motivated and energetic.IP68 Waterproof: The smart ring complies with the IP68 waterproof standard. Whether you're washing your hands in daily life, taking a shower, or swimming in shallow water, there's no need to take off the ring. The smart ring is comfortable and lightweight, ensuring you feel completely unrestrained when you have it on.No App Subscription Needed: The fitness ring connects to your phone via Bluetooth. It monitors your health and exercise data anytime, anywhere. You can manage your health easily through the app without the burden of any extra subscription charges. All functions can be activated for free, streamlining your health management journey and ensuring a worry - free experience.Comprehensive Health Monitoring: The smart ring provides an all - in - one solution for health monitoring, fitness tracking, and sleep quality assessment. It continuously monitors your heart rate and blood oxygen saturation, tracks your daily exercise routine, and conducts in - depth sleep monitoring and analysis, ensuring that you are always informed about your health condition. It can also accurately record your steps, distance, and calories burned, helping you achieve a healthier lifestyle.Long - lasting Battery: The smart ring boasts a battery life of up to 8 days. Moreover, the charging case offers an additional 7 charges, enabling you to focus on the present without any distractions while continuously tracking your health and fitness. You'll never have to worry about running out of power again.