Xiaomi Mi Band 4 Black

In June 2019, Xiaomi presented the successor to the popular fitness tracker Mi Band 3: the Xiaomi Mi Band 4. The biggest improvement is the color screen instead of a black and white screen. This is a 0.95-inch AMOLED display with a resolution of 240x120 pixels.
The Mi Band 4 also includes a heart rate monitor, sleep monitor, pedometer and calorie counter. The sports wristband is waterproof and can also keep track of your swimming statistics. You can further use the tracker for running, cycling, walking and fitness.