|Xiaomi Mi Smart Band 4
|Water Resistance Rating
|120 x 240 RGB
|Up to 400 nits (max brightness), brightness adjustable
|On-cell capacitive touchscreen
|2.5D tempered glass with anti-fingerprint coating
|Single touch button (wake up, go back)
|Wrist strap type
|Removable wrist strap
|Wrist strap material
|Adjustable wrist strap length
|3-axis accelerometer + 3-axis gyroscope; PPG heart rate sensor; Capacitive proximity sensor
|2Pin Pogo Pin
|≤ 2 hours
|Up to 20 days
|Android 4.4, iOS 9.0 or above
6 workout modes: Treadmill, exercise, outdoor running, cycling, walking, pool swimming; Count steps, distance, and calories burned
Workout completion notifications, goal setting, sleep monitoring, heart rate monitoring, all-day heart rate checking, resting heart rate, heart rate chart, idle alerts.
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 (works even without phone), music controls on band, Bluetooth broadcasting, battery level display, different ways to wear, OTA updates
Accurately tracks light and deep sleep as well as heart rate during sleep to help you adjust your sleep patterns.
A light vibration gently wakes you up for a more comfortable morning.
Records your health data to help you get the most out of life.
Safeguard your health at all times. Alerts you when your heart rate is too high.
Stay active as you get reminders to get up and get moving.