MI Band 4
APP: Mi Fit
Water Resistance Rating
Display Type: AMOLED
Display Size: 0.95″
Strap Type: Removable wrist strap
Baterry Capacity: 135 mAh
Charging Time: <2h
Standby time: Up to 20 days
Sports: Treadmill, exercise, outdoor running, cycling, walking, pool swimming; Count steps, distance and calories burned.
Health Monitoring: Workout completion notifications, goal setting, sleep monitoring, heart rate monitoring, all-day heart rate checking, resting heart rate, heart rate chart, idle alerts.
Other Features: Alarm, proximity sensor, pre-set watch face, customizable watch face, lock screen, timer, stopwatch, phone alarm and notifications, incoming calls, message notifications, calendar notifications, app notifications, weather forecast, find my phone, phone unlock, event notification, night mode, do not disturb mode, music controls on band, Bluetooth broadcasting, battery level display, different ways to wear, OTA updates.