A free app for Android, by smartTech3.

The Xiaomi Mi Band 3 is the third generation of the popular Mi Band smart band. It is a fitness tracker that can track your daily activities and health, as well as receive calls, text messages, and notifications from your smartphone. It can also send you notifications when it detects a fall or other activities that may cause injury.

The Xiaomi Mi Band 3 can also track your fitness activities, as well as the amount of calories you burn. It can track the number of steps you walk each day and the number of calories you burn.

The Xiaomi Mi Band 3 can also track your sleep cycles by tracking the number of hours you sleep each night. Plus, it can track the amount of water you drink each day.

The Mi Band 3 is designed to work with an Android smartphone or tablet.