You can refer to the following steps for Bluetooth usage:
1. Step counting, sleep & heart rate monitoring, stress/blood oxygen monitoring, vitality scores, breathing training and women's health management can record data independently without the need for a constant Bluetooth connection. However, regular connection to the phone is necessary to sync health data. It is recommended to connect the phone during exercise to record the trajectory;
2. Functions such as stopwatch, alarm, Pomodoro, calendar, world clock, etc., do not require the Bluetooth to be constantly turned on;
3. Functions like call reminders, APP notification reminders, find phone, events reminder, weather, find device, control phone music playback, remote control phone photography, etc., require Bluetooth to be turned on to maintain communication with the band and phone.