Gesture Control Profiles (create your own virtual menu to perform any number of your custom actions: control music, volume, phone vibrations & more)
Sleep as Android Integration (full sensor integration with Sleep as Android application brings you industry's best sleep tracking features available on Android platform - this includes wake up in light sleep phase, anti-snoring and lucid dreaming vibes on your bracelet and so on)
Dual Text Support (Mi Band 4 has two lines for displaying textual notifications: header and body, you can now configure parameters for these individually)
Automatic Language (even if you are using Chinese version of the bracelet, Mi Band Tools will take care of everything to provide you watch interface in English language)
Event Plugins for Battery & Heart Rate (use Tasker, Automagic or similar and get notified whenever charing state changes or heart rate is measured)
Action Plugins (it is very simple to change heart rate mode, vibration mode and so on from Tasker, Automagic or similar)
Button Dismiss (any repeating patterns, including those for incoming calls and alarms, can now be stopped by tapping the Mi Band 4 button)
Button Snooze, Power Nap Snooze (snooze all phone triggered alarms by tapping the Mi Band 4 button, the snooze interval is configurable per alarm)
Custom Patterns (powerful feature for advanced or curious users that allows you to use commands to customize notifications or to send commands into the bracelet)
Initial Vibration feature (you can get a vibration before any icons are displayed, so you have time to look at the bracelet)
Smart User Interface (for your convenience, the icon that is visible on the bracelet after the vibration ends, is displayed just next to your configured notification)
Smart Alarms (experimental support for smart alarms that were removed by Xiaomi from the bracelet firmware)
Mi Fit Authentication (connection stability improvement that simulates Mi Fit authentication mechanism)