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Xiaomi Mi Band 4 In-depth Review – Full Training Mode Tested | Walking, Biking, Gym, Waterproof Test

In this video, you will find a detailed in-depth review of Mi Smart Band 4 where we tested several training modes. This review was based on the almost full week of constant usage. If you like this smart fitness watch, you can order original Xiaomi Mi Band 4 here:

#Xiaomi #Mi Smart #Band 4 Specifications:
Water Resistance Rating5 ATM
Display TypeAMOLED
Screen Size0.95″
Resolution120 x 240 RGB
Colour Depth24bit
Screen BrightnessUp to 400 nits (max brightness), brightness adjustable
Touchscreen type: On-cell capacitive touchscreen
Screen protection2.5D tempered glass with anti-fingerprint coating
ButtonSingle touch button (wake up, go back)

Wrist strap type: Removable wrist strap
(Mi Smart Band 4 is compatible with Mi Band 3 straps)
Wristband width18mm
Wrist strap materialThermoplastic polyurethane
Adjustable wrist strap length155-216mm


Sensors3-axis accelerometer + 3-axis gyroscope;
PPG heart rate sensor;
Capacitive proximity sensor

Wireless connectivityBT5.0 BLE

BatteryLiPo, 135mAh

Charging Type2Pin Pogo Pin

Charging time≤ 2 hours

Standby time: Up to 20 days

Motor Type: Rotor

Body materialPolycarbonate

AppMi Fit

System requirementsAndroid 4.4, iOS 9.0 or above

Sport Functions6 workout modes: Treadmill, exercise, outdoor running,
cycling, walking, pool swimming; Count steps, distance,
and calories burned

Health monitoringWorkout 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,
the 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


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