Smart Ring Men Women Smart Ring Android Fitness
Smart Ring Men Women Smart Ring Android Fitness Ring Pedometer Heart Rate Blood Oxygen Sleep Tracker Activity Trackers for Sports Time, Distance, Calories Compatible with Android iOS, Silver#Q Super Light: Smart ring weighs only 3.5 grams, and its lightweight brings multiple advantages, especially noticeable during exercise, which means it won't restrict hand movement, reducing the risk of injury by avoiding extra pressure on the hands. Health Monitor: Smart ring uses optical sensor to monitor your body data, such as heart rate, HRV, blood oxygen. The built-in gravity sensor estimates the sleep time based on your movement frequency and provides feedback...