Emerhome Smart Health Ring for Women Men，Fitness Tracker with Heart Rate, Sleep Monitoring, Step Counting, for iPhone and Android, No Subscription Fee

【24/7 Advanced Health Monitoring】The slim ring has the New 4.0 sensors that track heart rate, blood oxygen, blood pressure and other data in 24 hours a day. It helps you track health data while providing a more complete wellness management experience
【Intelligent Sleep Tracker】The fitness ring automatically monitors your sleep quality. It can record deep & light sleep duration, eye movement, and wakefulness. You can view various indicators anytime in the app and adjust your lifestyle based on reports
【Multiple Sports Modes Tracking】Such as Running, Cycling, Skipping Rope, Walking, Hiking, Yoga, Dancing, and Golf. The smart ring automatically tracks the workout route, sport time, steps, heart rate, speed, calories burned, and distance in the app 
【Long Battery & Wide Compatibility】 This smart ring lasts 3-5 days on a 1-2 hour charge. It is compatible with Android and iOS
【Remote Capture & Friend Feature】 The app supports remote photo control to effortlessly capture great moments. It also includes a care mode for sharing health data with others, making it an ideal gift choices for friends, couples and family care