Last Updated: November 29, 2019 (Refresh Now)

Xiaomi Mi Band 4

Last Updated: November 29, 2019 (Refresh Now)
8.4
SCORE
/10
Total Reviews
260
Old Reviews
0
Unverified
15
Spam Test
WARN
135 mAh
BATTERY CAPACITY
1968.5 meters
SIZE
95 inches
DISPLAY SIZE
90.72 grams
WEIGHT

Review Summary - 245 recent, verified reviews

Detailed Mode
Band
 42
mi, mi band 3, mi band 4, mi band, 4
+69%
-31%
comment
" ...  Wish the app had more features but the band works great.  ...  "
comment
" ...  The band is comfortable. ... Although Mifit 3 bands work with it and are available in different colors.  ...  "
comment
" ...  Band works really well,tracks my swim workouts well.  ...  "
comment
" ...  Best band ever.  ...  "
comment
" ...  Xiao Mi band beats all other bands or trackers in us market. ... I hope you enjoy your body data trackable with Xiao Mi band, peace!  ...  "
comment
" ...  love this band!  ...  "
comment
" ...  It is my first smart band, but it meet all my needs.  ...  "
comment
" ...  Hella Love this Mi Band 4!  ...  "
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Battery Life
 39
battery life, life, charge, days, long
+95%
-5%
comment
" ...  Battery life is neverending (I charged it 2 weeks ago and it's at 50%!!)  ...  "
comment
" ...  Long battery about 20 days per charge  ...  "
comment
" ...  Also the battery life rocks.  ...  "
comment
" ...  I charged it after receiving, and have not recharged it yet, it will last the promised 3 weeks bfore recharging.  ...  "
comment
" ...  It has a long battery life.  ...  "
comment
" ...  It's extremely comfortable to wear and I've had to charge it once in the month I've had it.  ...  "
comment
" ...  I really like this mi4 tracker, battery life it's great and accuracy is good too  ...  "
comment
" ...  Pros: battery life.  ...  "
Display Clarity
 29
display, color, see, weather, way
+83%
-17%
comment
" ...  It has a nicer display, but the other changes aren't revolutionary.  ...  "
comment
" ...  Pros: OLED Screen & its brightness.  ...  "
comment
" ...  Nice screen and customizations.  ...  "
comment
" ...  Beautiful colors and screens - took a minute to find my way around it versus the Mi 3 (which I loved and got lost during a camping expedition - didn't have the find device function active anywho).  ...  "
comment
" ...  The display is light years ahead of the 3, and I love the display themes and music controls.  ...  "
comment
" ...  Brightness second from the brightest and HR every 5 minutes!  ...  "
comment
" ...  I like the size of it & it's ez to use & I like the swanky color display !  ...  "
comment
" ...  If you're looking for a basic fitness tracker with a nice screen, simple functions and OUTSTANDING battery life, this is the one you want.  ...  "
Software Platform
 25
android, work, apps, like, 0
+68%
-32%
comment
" ...  This band pairs well with both iphone and android phone, the app is pretty much the same on either system.  ...  "
comment
" ...  It's easy to use - the app is solid, the UI is straightforward, though there are a couple things (i.e.  ...  "
comment
" ...  Like the Samsung app I would like to track calories burned and eaten.  ...  "
comment
" ...  The app is clean as well, rounding out the package.  ...  "
comment
" ...  Works great with the Mi fit app and Google fit.  ...  "
comment
" ...  Nice variety of faces available on app.  ...  "
comment
" ...  Compared to all other Health Apps the Mi Fit app is still way behind but for the price of this fitness tracker it's very hard to beat.  ...  "
comment
" ...  So many screens to choose from and you can make your own if you like with an app that is available on the web.  ...  "
Apps
 21
apps, work, like, software, would
+81%
-19%
comment
" ...  so confortable, long-lasting battery, very good mobile app  ...  "
comment
" ...  I wear this 99% of the time and pull out my Android watch when I need apps like grocery lists.  ...  "
comment
" ...  The media controller works really well and is very quickly accessible with a swipe either way from the home screen!  ...  "
comment
" ...  Like the Samsung app I would like to track calories burned and eaten.  ...  "
comment
" ...  The display has a lot of skins through their own app and I think it is mostly accurate at tracking steps and hr.  ...  "
comment
" ...  Very straightforward, use the app to setup and you’re good to go  ...  "
comment
" ...  With a few different 3rd party apps in the google app store it lets you customize to add even more features to the band.  ...  "
comment
" ...  It's wonderful, sometimes it doesn't work, but it usually does, and it's waterproof, I got an appface app on my Android and now it looks like a pitboy from fallout on the watchface  ...  "
Sleep Tracking
 20
sleep tracking, heart rate, tracking, sleeping, day
+90%
-10%
comment
" ...  Weather update, Heartrate, Sleep monitoring, fitness tracking, Mobile notifications, Music controls. ... Not finding the right fit for my wrist which hinders the sleep tracking.  ...  "
comment
" ...  Anyhoo, it's definitely accurate in its sleep tracking, and I think it *might* read a bit high on my heart rate, but it's only been a day so far.  ...  "
comment
" ...  it's the first one I've felt comfortable enough to wear while sleeping.  ...  "
comment
" ...  I like to look at the app to see how much deep sleep I've gotten.  ...  "
comment
" ...  Sleep tracking could be hours off but that was something not important to me (more of a novelty).  ...  "
comment
" ...  I've yet to drop below 40% and that's after like 2 WEEKS of use, including heart rate monitoring and sleep tracking, which works nicely.  ...  "
comment
" ...  I was looking for a watch that tracks heart rate, sleeping habits, steps, actives and app capabilities with a sedimentary reminder. ... It gives me a rough estimate of when I go to sleep and when I wake up.  ...  "
comment
" ...  Also, it integrates seamlessly with sleep as Android.  ...  "
Price
 20
money, else, accurate, thing, really
+95%
-5%
comment
" ...  Great product for the price. ... Not the most accurate, but for the price you can’t complain too much.  ...  "
comment
" ...  Worth every cent !!!  ...  "
comment
" ...  I'm glad it didn't cost the earth and will last.  ...  "
comment
" ...  For the price can't be beat even if you spend over 2x!  ...  "
comment
" ...  Price point is amazing for a tracker.  ...  "
comment
" ...  not really the most accurate but really good for the price  ...  "
comment
" ...  Really decent tracker for price.  ...  "
comment
" ...  Good product and value  ...  "
Pedometer
 17
tracker, tracking, accurate, watch, really
+76%
-24%
comment
" ...  Nice for fitness!  ...  "
comment
" ...  As for my steps and other activity I definitely feel like it tracks way under. ... There was a difference of at least half a mile or more. ... I cant always have my phone on me which is why I wanted a watch to track my steps and other light activity.  ...  "
comment
" ...  Tracker itself has been fairly accurate.  ...  "
comment
" ...  Love that it tracks my steps and that I can get my notifications on it.  ...  "
comment
" ...  The step counter and fitness tracking isn't that great.  ...  "
comment
" ...  Good fitness tracker  ...  "
comment
" ...  You can buy this for less money elsewhere but this particular fitness tracker has been really useful.  ...  "
comment
" ...  cycling activity takes a long time to initiate.  ...  "
Comfort
 14
wear, watch, sensation, reading, glasses
+79%
-21%
comment
" ...  The band is comfortable.  ...  "
comment
" ...  I fell a slight burning sensation.  ...  "
comment
" ...  Comfortable to wear.  ...  "
comment
" ...  Keeps track of activities well (in the ballpark of what my Garmin was saying), it's very comfortable and has lots of watch faces unlike others in this price range.  ...  "
comment
" ...  I also appreciated how light the watch was on my wrist.  ...  "
comment
" ...  Slim, comfortable, and affordable  ...  "
comment
" ...  it's the first one I've felt comfortable enough to wear while sleeping.  ...  "
comment
" ...  It's extremely comfortable to wear and I've had to charge it once in the month I've had it.  ...  "
Charging
 13
days, charging, band, weeks, two
+62%
-38%
comment
" ...  Charging with the standard charger can be a pain, but 3rd party chargers can be bought that make the process a whole lot easier.  ...  "
comment
" ...  It also very easy to charge.  ...  "
comment
" ...  Long battery about 20 days per charge  ...  "
comment
" ...  The battery life is now super efficient (i'm at 72% after 7 days of no charge) and the updates have been more streamlined through the Mi Fit app.  ...  "
comment
" ...  It last 18 days per charge works perfect  ...  "
comment
" ...  My husband hasn't had it long enough to have to charge it (after the initial charging)  ...  "
comment
" ...  I charged it after receiving, and have not recharged it yet, it will last the promised 3 weeks bfore recharging.  ...  "
Heartrate
 12
tracking, heart, rate, monitor, battery life
+83%
-17%
comment
" ...  The display has a lot of skins through their own app and I think it is mostly accurate at tracking steps and hr.  ...  "
comment
" ...  Great step tracking, generally uncluttered set of basic functions including a heart rate check.  ...  "
comment
" ...  I was looking for a watch that tracks heart rate, sleeping habits, steps, actives and app capabilities with a sedimentary reminder. ... My first concern was the heart rate. ... I would say it more or less accurate based on the heart rate monitor that I have on my Samsung Galaxy 7.  ...  "
comment
" ...  I've yet to drop below 40% and that's after like 2 WEEKS of use, including heart rate monitoring and sleep tracking, which works nicely.  ...  "
comment
" ...  I was impressed with the heartbeat monitor as well as battery life.  ...  "
comment
" ...  Oh, and the ability to really see what your heart rate is doing with exercise over the distance, afterwards, is a true boon for living strong later, and for keeping diabetes fully controlled.  ...  "
comment
" ...  I found the Mi Band 4 at $40, and the reviews and feature set lined up with what I wanted: Decent notifications, heart rate and step tracking, long battery life. ... Anyhoo, it's definitely accurate in its sleep tracking, and I think it *might* read a bit high on my heart rate, but it's only been a day so far.  ...  "
comment
" ...  I enjoy the battery life and heart monitor.  ...  "
Ease of Use
 9
set, use, app, e
+89%
-11%
comment
" ...  Easy to install.  ...  "
comment
" ...  It's easy to use - the app is solid, the UI is straightforward, though there are a couple things (i.e.  ...  "
comment
" ...  Easy access for every key option + custom made screen layouts.  ...  "
comment
" ...  I like it, very easy to set up  ...  "
comment
" ...  This appears to work well, the set up was a little difficult as we are not very technological.  ...  "
comment
" ...  Very straightforward, use the app to setup and you’re good to go  ...  "
Accuracy
 9
tracking, tracker, steps, price, app
+89%
-11%
comment
" ...  It is accurate and quick to ping notifications.  ...  "
comment
" ...  The display has a lot of skins through their own app and I think it is mostly accurate at tracking steps and hr.  ...  "
comment
" ...  Tracker itself has been fairly accurate.  ...  "
comment
" ...  Not the most accurate, but for the price you can’t complain too much.  ...  "
comment
" ...  I would give it 4 stars if it were a lot more accurate.  ...  "
comment
" ...  Third, I don’t believe it keeps accurate track of steps and other activities.  ...  "
comment
" ...  The problem with swim tracking was that the distances were not accurate and the watch didn't know which stroke I was doing.  ...  "
Product Reliability
 9
2, best, battery, 3
+78%
-22%
comment
" ...  does everything I need it to and with consistency, reliable, non obstructive.  ...  "
comment
" ...  At least the article works, I hope it lasted a good time working.  ...  "
comment
" ...  I've been using it for a few months now with no problems.  ...  "
comment
" ...  Best battery ever, 2 or 3 weeks working.  ...  "
comment
" ...  I purchased this one about 2 weeks ago.  ...  "
comment
" ...  I'll do a longer-term update when it's appropriate.  ...  "
comment
" ...  Had 2 great years on the 3 with not even a scratch on it  ...  "
Delivery
 8
delivery, received
+88%
-13%
comment
" ...  Those were exactly the qualities I valued, and after researching this quite a bit, this model delivered on all it's promises.  ...  "
comment
" ...  Excellent product and fast shipping !  ...  "
comment
" ...  Very happy,fast delivery  ...  "
comment
" ...  These was really fast delivery.  ...  "
comment
" ...  I received it within the promised time.  ...  "
comment
" ...  Great delivery service  ...  "
comment
" ...  It arrived when the shipping said it would arrive.  ...  "
Device Compatibility
 8
android, 0, work, screen, home
+63%
-38%
comment
" ...  Unless you want to connect it 24/7 on Bluetooth and receive notifications on it your mileage may vary.  ...  "
comment
" ...  Not only that I can see my phone notifications via bluetooth and have some customization options with the home screen.  ...  "
comment
" ...  The media controller works really well and is very quickly accessible with a swipe either way from the home screen!  ...  "
comment
" ...  My daily device.  ...  "
comment
" ...  Synchronization with all messengers, calendar and the ability to put a reminder notes.  ...  "
Color
 6
screen, way, screens, colors, mi
+100%
comment
" ...  The color screen is beautiful.  ...  "
comment
" ...  Things are in color now!  ...  "
comment
" ...  Although Mifit 3 bands work with it and are available in different colors.  ...  "
comment
" ...  The color transreflective screen didn't really display the colors well. ... The OLED color screen is just terrific.  ...  "
comment
" ...  Beautiful colors and screens - took a minute to find my way around it versus the Mi 3 (which I loved and got lost during a camping expedition - didn't have the find device function active anywho).  ...  "
Marketplace
 6
+33%
-67%
comment
" ...  I wasn't going to leave a review, but received an email that prompted this.  ...  "
comment
" ...  I will not order again my rating was a zero but had to hit a star  ...  "
comment
" ...  Amazon don’t have any solution to this.  ...  "
comment
" ...  I've contacted the seller and they told me that this is expected.  ...  "
Water Resistance
 5
watch, swimming, bought, life, battery
+100%
comment
" ...  i can wear it in the shower and the battery life is amazing.  ...  "
comment
" ...  I even wore it to the beach with no issues from the sand or salt water.  ...  "
comment
" ...  Since this is waterproof, I never take it off between charges - showers and workouts, etc - and no interruptions with the watch.  ...  "
comment
" ...  However, I specifically bought it for tracking my swimming workouts.  ...  "
comment
" ...  Bought it because it tracks my swimming!  ...  "
Setup
 4
charger, app
+50%
-50%
comment
" ...  when you connect to the charger it doesn't stay connected it come out it is hard to setup  ...  "
Features
 4
enjoy, price
+100%
comment
" ...  They love 2 features:  ...  "
comment
" ...  Here are the features I enjoy most:  ...  "
comment
" ...  I do hope users can have the ability to set a do not disturb time period in addition to the 'smart' DND feature.  ...  "
comment
" ...  It has all features I expected and then some for an amazing price.  ...  "
Screen Protection
 4
scratches, one, get, band
+50%
-50%
comment
" ...  The screen is scratched  ...  "
Controls
 3
works, screen, home, display, controls
+67%
-33%
comment
" ...  The media controller works really well and is very quickly accessible with a swipe either way from the home screen!  ...  "
comment
" ...  The display is light years ahead of the 3, and I love the display themes and music controls.  ...  "
As Gift
 3
+100%
comment
" ...  It was a gift for my friend.  ...  "
comment
" ...  this was a gift for someone else.  ...  "
comment
" ...  Bummer, but for the price it can't be beat, great gift for a friend 👍🏼 or yourself 😏  ...  "
Watchfaces
 3
lots, app, watch, device
+100%
comment
" ...  Nice variety of faces available on app.  ...  "
comment
" ...  I use the find my phone feature a LOT and I enjoy being able to choose from large selection of watch faces.  ...  "
Notifications
 3
+67%
-33%
comment
" ...  Loved that it had vibrate on notification and caller ID, and would let me read texts on my wrist.  ...  "
comment
" ...  I also like the ability to turn on do not disturb and notifications.  ...  "
Touch Sensitivity
 3
responsive
+33%
-67%
comment
" ...  I’d say it’s not very responsive to the touch.  ...  "
comment
" ...  The touch screen is not responsive and not easily navigate.  ...  "
Cleaning
 3
+67%
-33%
comment
" ...  When ever I wash my hand , clean or in general get my writs wet.  ...  "
comment
" ...  very clean and helpful.  ...  "
Design
 3
+100%
comment
" ...  Look really nice  ...  "
comment
" ...  Excellent customizable, productive and great looking SmartBand!  ...  "

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Specifications

Battery
Battery Capacity:  135 mAh
Body
Size:  1968.5 meters
Weight:  90.72 grams
Display
Display Size:  95 inches
135 mAh
BATTERY CAPACITY
1968.5 meters
SIZE
95 inches
DISPLAY SIZE
90.72 grams
WEIGHT