Smart Ring Fitness Tracker Ring, Multi-Modes Fitness Tracker Rate Pedometer Sleep Monitoring Waterproof Bluetooth Connectivity(Black-US 9#)

Smart Sleep Analysis Real-time monitoring of sleep movement and transmission and recording in the App including sleep duration deep sleep duration light sleep duration awakening duration etc. bringing you better sleep suggestions247 Heart Health Monitoring As a professional heart health consultant the smart bracelet is equipped with a high-precision and high-performance heart rate sensor which can accurately acquire data and monitor your heart activity around the clock.Movement Data Monitoring and Recording Real-time monitoring of your various movement data the number of steps in a day the distance of movement calorie consumption and the trend of movement changes in a day view it on your phone anytime anywhereExcellent Waterproof Performance Medical grade stainless steel shell material lighter and harder available in black and gold color. More IP68 waterproof you can wash your hands take a bath swim. No worriesUltra-Precision Sensors Acceleration Sensor Optical Heart Rate Sensor Optical Blood Oxygen Sensor and Infrared Sensor work at the same time comparable to professional devicesFree App Smart bracelet health tracker data can be viewed on the mobile app for free without any subscription fee. The device supports Android 5.1 and iOS 8.0 and above.nbsp