In addition to turn on and end monitoring on the APP manually, you can also set the timing sleep monitoring in the APP. When you wear the ring and ring has battery, monitoring will turn on and end automatically during your preset time period. Once monitoring end, open APP and connect the ring to receive the monitoring report; If the ring is still on the charging base or placed in the box when the timing monitoring begin, it will affect the accuracy of the normal monitoring report, and cause a abnormal report maybe.