Xiaomi Mi Band 4 Original Bluetooth Smart bracelet
Water resistance classification
120 x 240 RGB
Brightness of the screen
Up to 400 nits (maximum brightness), adjustable brightness
Touch screen type
Capacitive touch screen in the cell
2.5D tempered glass with anti fingerprint coating
Simple touch button (wake up, go back)
Wrist strap type
Removable strap (Mi Smart Band 4 is compatible with Mi Band 3 straps)
Width of the bracelet
Wrist strap material
Adjustable wrist strap length
3-axis accelerometer + 3-axis gyroscope; PPG heart rate sensor; capacitive proximity sensor
Type of load
Pogo 2-Pin Pin
= 2 hours
Up to 20 days
Type of motor
Android 4.4, iOS 9.0 or higher
6 training modes: treadmill, exercise, outdoor running, cycling, walking, swimming in the pool; count steps, distance and calories burned.
Notifications of training completion, goal setting, sleep monitoring, heart rate monitoring, all-day heart rate review, resting heart rate, heart rate chart, and inactivity alerts.
"Alarm, proximity sensor, preset watch face, customizable watch face, lock screen, timer, stopwatch, alarm and phone notifications, incoming calls, message notifications, calendar notifications, app notifications, weather forecast, search my phone, unlock phone, event notification, night mode, do not disturb mode (works even without phone), music controls, Bluetooth streaming, battery level display, different ways to carry it and OTA updates.