This is the first Xiaomi fitness bracelet with an AMOLED color display – 40% larger than the display on the previous model. The built-in three-axis accelerometer and gyroscope allow you to analyze movement when running, riding a bicycle and climbing a rope. It also knows how fast you’re rowing and counts the number of strokes. Finally, it can monitor swimming activity at depths of up to 50 meters.
Check out the Xiaomi Mi Band 4 in all its 3D detail in this REVIEW3 3D-review: