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Xiaomi Mi Band 4

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Xiaomi Mi Band 4 review: specs and price

Xiaomi Mi Band 4
72
points
Xiaomi Mi Band 4

Why is Xiaomi Mi Band 4 better than the average?

  • Waterproof depth rating
    ?

    50mvs38.64m
  • Battery power
    ?

    135mAhvs110.89mAh
  • Bluetooth version
    ?

    5vs4.09
  • Resolution
    ?

    120 x 240pxvs20.02KP
  • Charge time
    ?

    2hvs3.76h
  • Pixel density
    ?

    282ppivs225.65ppi
  • Weight
    ?

    22.1gvs23.11g
  • Languages supported
    ?

    39vs20.72

Price comparison

Xiaomi Mi Band 4

ProductStorePrice
Xiaomi Mi Band 4 AmazonXiaomi Mi Band 4
Amazon logo
$26.44
Xiaomi Mi Band 4 AmazonXiaomi Mi Band 4 Fitness Tracker, Newest...Xiaomi Mi Band 4 Fitness Tracker, Newest 0.95” Color AMOLED Display Bluetooth 5.0 Smart Bracelet Heart Rate Monitor 50 Meters Waterproof Bracelet with 135mAh Battery up to 20 Days Activity Tracker
Amazon logo
$25.00
Xiaomi Mi Band 4 AmazonXiaomi Mi Band 4 AMOLED Color Screen Wri...Xiaomi Mi Band 4 AMOLED Color Screen Wristband BT5.0 Fitness Tracker Smart Wristbands (Black)
Amazon logo
$27.00
Xiaomi Mi Band 4 AmazonMI Xiaomi Band 4 Smart Bracelet Smartban...MI Xiaomi Band 4 Smart Bracelet Smartband Heart Rate Monitor Sleep Monitor Fitness Tracker 3 Color AMOLED Screen 5ATM Waterproof Band4 Black Global Version
Amazon logo
$25.80
Xiaomi Mi Band 4 AmazonXiaomi Mi Band 4 Fitness Tracker Newest ...Xiaomi Mi Band 4 Fitness Tracker Newest 0.95 Inch Color AMOLED Screen Smart Bracelet Heart Rate Monitor 50M Water Resistant Activity Tracker Sports Watch
Amazon logo
$31.02
Xiaomi Mi Band 4 AmazonFitbit Inspire Fitness Tracker, One Size...Fitbit Inspire Fitness Tracker, One Size (S and L Bands Included)
Amazon logo
$49.95
Xiaomi Mi Band 4 AmazonWyze Band Activity Tracker with Alexa Bu...Wyze Band Activity Tracker with Alexa Built-In, Smart Watch Fitness Tracker, Heart Rate Monitor, Step Counter Sleep Monitor, High Res Color Touchscreen Phone & App Notifications, 5ATM Water Resistant
Amazon logo
$29.98
Xiaomi Mi Band 4 AmazonXiaomi Mi Band 5 Fitness Bracelet Magnet...Xiaomi Mi Band 5 Fitness Bracelet Magnetic Charge 24h Heart Rate Sleep REM Nap Step Swim Sport Monitor Remind Alarm Miband 5 (NFC Version)
Amazon logo
$50.89
Xiaomi Mi Band 4 AmazonFitbit Inspire HR Heart Rate and Fitness...Fitbit Inspire HR Heart Rate and Fitness Tracker, One Size (S and L Bands Included), 1 Count
Amazon logo
$69.95
Xiaomi Mi Band 4 AmazonXiaomi Mi Band 5 Smart Band Bracelet Mag...Xiaomi Mi Band 5 Smart Band Bracelet Magnetic Charge 4 Color 1.1 " Touch Screen Fitness Tracker 24h Heart Rate Sleep REM Nap Step Swim Sport Monitor 5ATM Waterproof Miband 5 Standard Version(Black)
Amazon logo
$53.99
Xiaomi Mi Band 4 walmartMi band 4 AMOLED Color Screen Wristband ...Mi band 4 AMOLED Color Screen Wristband BT 5.0 135 mAh Battery Fitness SmartWatch
walmart logo
$35.98

Design

1.is dustproof and water-resistant
Xiaomi Mi Band 4
The device is dustproof and water-resistant. Water-resistant devices can resist the penetration of water, such as powerful water jets, but not being submerged into water.
2.sweat resistance
Xiaomi Mi Band 4
Resistance to sweat makes it ideal for use while doing sports.
3.Has a display
Xiaomi Mi Band 4
The device has an electronic display to present information to the user.
4.has branded damage-resistant glass
Xiaomi Mi Band 4
Damage-resistant glass (such as Corning Gorilla Glass or Asahi Dragontrail Glass) is thin, lightweight, and can withstand high levels of force.
5.has a touch screen
Xiaomi Mi Band 4
You can operate the device easily, by pressing the screen with your fingers.
6.waterproof depth rating

50m

The waterproof depth rating indicates how well the device is protected against water ingress and water pressure. Devices which can withstand more water pressure are better for swimming or diving.

Sensors

1.Has a heart rate monitor
Xiaomi Mi Band 4
A heart rate monitor can help show your fitness levels, enabling you to calculate a suitable intensity of exercise.
2.has GPS
Xiaomi Mi Band 4
GPS enables global positioning, useful in map, geo-tagging or navigation apps.
3.has an accelerometer
Xiaomi Mi Band 4
An accelerometer is a sensor used to measure the linear acceleration of a device. A common application is detecting when a device changes between vertical and horizontal positions.
4.Monitors blood oxygenation levels
Xiaomi Mi Band 4
Your blood oxygen level is a measurement how much oxygen is reaching your muscles. It is important because low levels mean that you will become easily fatigued during exercise. The more exercise you do, the better your blood oxygen levels will become.
5.Has a temperature sensor
Xiaomi Mi Band 4
With a temperature sensor you can monitor changes in temperature to measure your exertion levels and avoid hyperthermia.
6.Has a barometer
Xiaomi Mi Band 4
This measures barometric air pressure. It can predict weather changes, for example a sudden drop in air pressure could mean a storm is coming. When calibrated correctly it can be used to determine altitude, which helps GPS devices to lock on quicker and with greater accuracy.

Activity tracking

1.Tracks your sleep
Xiaomi Mi Band 4
It can track your sleep, such as how long you sleep for and the quality.
2.Detects activities automatically
Xiaomi Mi Band 4
The device automatically detects when you start an activity such as jogging, saving you from entering it manually at a later time.
3.Tracks elevation
Xiaomi Mi Band 4
It can detect changes in elevation, such as when you are climbing stairs.
4.Tracks distance
Xiaomi Mi Band 4
It tracks how far you travel.
5.Provides sleep reports
Xiaomi Mi Band 4
Your sleep data is analysed to give you a report, available to view through the app or website. This allows you to see the quality of your sleep and to help you make improvements.
6.Measures pace
Xiaomi Mi Band 4
Measuring pace shows how much time it takes to travel one kilometer or one mile. For example, in running, a 4 minute kilometer would be a very good pace.

Connectivity

1.Is compatible with Android
Xiaomi Mi Band 4
It is compatible with a range of Android devices such as smartphones and tablets.
2.Syncs wirelessly
Xiaomi Mi Band 4
The device syncs all of your data wirelessly, without the need for cables.
3.Automatically syncs
Xiaomi Mi Band 4
The device automatically syncs your data when in range of your computer or smartphone.
4.Bluetooth version

5

Bluetooth is a wireless technology standard that allows data transfers between devices placed in close proximity, using short-wavelength, ultra-high frequency radio waves. Newer versions provide faster data transfers.
5.has NFC
Xiaomi Mi Band 4
NFC (near-field communication) allows a device to perform simple wireless transactions.
6.Is compatible with iOS
Xiaomi Mi Band 4
It is compatible with a range of iOS devices such as iPhones, iPads and the iPod Touch.

Battery

1.battery life

20 days

With a longer battery life, you don’t have to worry about charging the device as often.
2.has a battery level indicator
Xiaomi Mi Band 4
An indicator shows you when the device has low battery.
3.has a rechargeable battery
Xiaomi Mi Band 4
The battery can be recharged and used over again.
4.battery power

135mAh

Battery power, or battery capacity, represents the amount of electrical energy that a battery can store. More battery power can be an indication of longer battery life.
5.has wireless charging
Xiaomi Mi Band 4
The manufacturer offers a branded wireless charging kit. To charge the device, you simply put it down on its charging base.
6.charge time

2h

The time it takes to fully charge the battery.

Features

1.Has smart alarm
Xiaomi Mi Band 4
It determines when you are in a light state of sleep and wakes you up within a set period of time before your alarm. This can allow you to wake up feeling fresher and more alert.
2.Has silent alarm
Xiaomi Mi Band 4
The device can wake you using vibration, so as not to disturb anyone else sleeping in the room.
3.Has notifications
Xiaomi Mi Band 4
If you get a notification such as a call or message, the device will vibrate on your wrist or make a noise to alert you.
4.Has inactivity alerts
Xiaomi Mi Band 4
The device detects when you have been idle for too long, and alerts you to encourage you to stay active.
5.Has a stopwatch
Xiaomi Mi Band 4
With a stopwatch you can time yourself.
6.Locates your phone
Xiaomi Mi Band 4
The device has a feature that allows you to find your smartphone if you have misplaced it.

Price comparison

Xiaomi Mi Band 4

ProductStorePrice
Xiaomi Mi Band 4 AmazonXiaomi Mi Band 4
Amazon logo
$26.44
Xiaomi Mi Band 4 AmazonXiaomi Mi Band 4 Fitness Tracker, Newest...Xiaomi Mi Band 4 Fitness Tracker, Newest 0.95” Color AMOLED Display Bluetooth 5.0 Smart Bracelet Heart Rate Monitor 50 Meters Waterproof Bracelet with 135mAh Battery up to 20 Days Activity Tracker
Amazon logo
$25.00
Xiaomi Mi Band 4 AmazonXiaomi Mi Band 4 AMOLED Color Screen Wri...Xiaomi Mi Band 4 AMOLED Color Screen Wristband BT5.0 Fitness Tracker Smart Wristbands (Black)
Amazon logo
$27.00
Xiaomi Mi Band 4 AmazonMI Xiaomi Band 4 Smart Bracelet Smartban...MI Xiaomi Band 4 Smart Bracelet Smartband Heart Rate Monitor Sleep Monitor Fitness Tracker 3 Color AMOLED Screen 5ATM Waterproof Band4 Black Global Version
Amazon logo
$25.80
Xiaomi Mi Band 4 AmazonXiaomi Mi Band 4 Fitness Tracker Newest ...Xiaomi Mi Band 4 Fitness Tracker Newest 0.95 Inch Color AMOLED Screen Smart Bracelet Heart Rate Monitor 50M Water Resistant Activity Tracker Sports Watch
Amazon logo
$31.02
Xiaomi Mi Band 4 AmazonFitbit Inspire Fitness Tracker, One Size...Fitbit Inspire Fitness Tracker, One Size (S and L Bands Included)
Amazon logo
$49.95
Xiaomi Mi Band 4 AmazonWyze Band Activity Tracker with Alexa Bu...Wyze Band Activity Tracker with Alexa Built-In, Smart Watch Fitness Tracker, Heart Rate Monitor, Step Counter Sleep Monitor, High Res Color Touchscreen Phone & App Notifications, 5ATM Water Resistant
Amazon logo
$29.98
Xiaomi Mi Band 4 AmazonXiaomi Mi Band 5 Fitness Bracelet Magnet...Xiaomi Mi Band 5 Fitness Bracelet Magnetic Charge 24h Heart Rate Sleep REM Nap Step Swim Sport Monitor Remind Alarm Miband 5 (NFC Version)
Amazon logo
$50.89
Xiaomi Mi Band 4 AmazonFitbit Inspire HR Heart Rate and Fitness...Fitbit Inspire HR Heart Rate and Fitness Tracker, One Size (S and L Bands Included), 1 Count
Amazon logo
$69.95
Xiaomi Mi Band 4 AmazonXiaomi Mi Band 5 Smart Band Bracelet Mag...Xiaomi Mi Band 5 Smart Band Bracelet Magnetic Charge 4 Color 1.1 " Touch Screen Fitness Tracker 24h Heart Rate Sleep REM Nap Step Swim Sport Monitor 5ATM Waterproof Miband 5 Standard Version(Black)
Amazon logo
$53.99
Xiaomi Mi Band 4 walmartMi band 4 AMOLED Color Screen Wristband ...Mi band 4 AMOLED Color Screen Wristband BT 5.0 135 mAh Battery Fitness SmartWatch
walmart logo
$35.98

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