Aichiken Smart Ring - Heart Rate Blood Oxygen Sleep Tracking

[SMART RING] The Aichiken smart ring not only monitors heart rate, blood oxygen saturation, but also records steps, distance and calorie consumption. It has a variety of exercise modes, including indoor and outdoor running, walking, and cycling, and comprehensively evaluates activity duration, beneficial activities, exercise volume, and exercise frequency, allowing you to fully grasp your health status and easily manage your exercise and life.