Function Explanation：
When the not disturb mode is turned on, the band can accept messages, but it will no longer vibrate and brighten the screen reminder. It will no longer vibrate when the band is reminded by phone, SMS, APP notification, email notification.
Setting path: Mi Band-> Additional setting->Not disturb:
1. Select "Turn off Not Disturb", then Not Disturb mode will be invalid.
2. Select "Intelligent Not Disturb", then the mode will be automatically turned on after wear the band to sleep.
3. Select "Open all the time", then not disturb mode will take effect immediately.
4. Optional time (30 minutes, 1 hour, 2 hours, 3 hours), effective immediately.
5. Customize the opening time, set the time period, click to select the start time, scroll up to select the end time, and click to finish.