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Xiaomi Mi Band 4 Latest Price and Review

by Jenny Xiao
The Mi Band 4 is probably the best and cheapest budget fitness band!

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Mi Band 4

Xiaomi Mi Band 4, Rated!

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The Mi Band series from Xiaomi have been super popular. They are affordable, look great, work great and are the best budget smart bands out there in the market. For this reason, Xiaomi has released numerous versions of the Mi Band. The latest release is the Mi Band 4. Let’s see how it fares. 

Mi Band 4 Price

Inside the Box 

This is a pretty straightforward unravel. Inside the box, you get the smart band with the strap and display. There is an instruction manual and there is also the charger. 

Design and Specs 

The Mi Band 4, in a single look might not seem that different from the Mi Band 3, but fundamentally it’s a lot different. The display itself is a 0.95-inch AMOLED display that is in colour. This is slightly bigger than the Xiaomi Mi Band 3 by about 0.2-inches. The resolution is also higher. Previously there were complaints around the brightness display of these bands. Xiaomi has ensured the 400nits are sufficient this time. 

The battery as well is a definite improvement from 110 mAh on the Mi Band 3 to the 135 mAh on the Mi Band 4. This means, the battery life on the Mi Band 4 is about 20 days. 

It runs on Bluetooth 5.0, which is an upgrade. There is also a 16MB flash storage and 512KB of memory. 

The charger is also slightly different looking compared to the one the Mi Band 3 has. The first thing to notice about the Mi Band 4 is the fact that it has a “6 Axis Sensor”. So what does this mean? 

The 6 Axis sensors are basically an improvement on the fitness tracking capabilities of the smart band and can track activities such as swimming, cycling, walking, running and more. 

Best Price – $31.49

Function and Use 

Before we get to the functions, let’s see the set-up process. The Mi Band 4 ties in with the Mi Fit App, that is available for both Android and iOS. This is an essential experience for the fitness tracker to run. It gives you information on all the fitness activities you’ve been performing. 

You can also use the app to check your heart rate monitor, change watch faces and more. Here are a few of the features of the Mi Band 4. 

Best Price – $31.49

Step Counter and Heart Rate Monitor 

The first and most useful feature for any Mi Band is the step counter. This is my favourite aspect about any fitness tracker – The Step Counter and Heart Rate Monitor. These two features make this an absolute health tracking tool. This is a perfect addition to older people who need to keep track of their workouts and also ensure that their heart is working perfectly well. This is a feature that is available with the Mi Band 4. 

Notifications and Calendar

You can receive all notifications such as Whatsapp, Emails and other important information directly from the Mi Band 4. You can also access your calendar to see the schedule for the day. Considering it’s a coloured AMOLED display, it’s easier to read the messages and notifications that you receive. 

Control the Music on your phone 

Like most Bluetooth Smart Bands, it’s easy to control your phone’s music through the Mi Band 4. You can pause/play or play the next song from your watch’s interface. 

Incoming messages and calls 

I normally don’t use my phone often at all. I use it to text sometimes. Otherwise it’s mostly in a corner somewhere where I can’t access it. Due to this, I miss a lot of important calls. The incoming messages and calls feature immediately notifies me about important incoming calls and texts that I would normally miss. Even if my phone is silent, my Mi Band 4 will communicate it clearly. 


An alarm seems to be a ubiquitous feature in every device and it’s the same with the Mi Band 4. You can keep it next to you while you are asleep and the alarm can wake you up with a sound of your choice. 

Sleep tracker

Sleep is one of the most important aspects for the human body and the Mi Band 4 can track sleep. Sleep cycles, patterns and the number of hours in REM sleep. All this data can be accessed directly through the Mi Fit App. The only downside to using the sleep tracker app is that you have to wear it while you are sleeping, which can be pretty uncomfortable for most people. But if you truly wish to track your sleep cycles, you just have to go to bed with the smart band on. 

Water Resistant 

The Mi Band 4 is truly water resistant and a fitness tracker band cannot be useful if it’s not. You can use the Mi Band 4 while swimming and it tracks your swimming activity as well, pretty clearly. 

Best Price – $31.49

Final thoughts 

The Mi Band 4 is a great upgrade on the Mi Band 3. There are so many improvements that it’s hard to keep count. The display is AMOLED with full colour, the brightness has been improved dramatically. There is much more clarity while reading notifications. 

The battery has been improved marginally and the battery life is around 20 days which is pretty great. 


  • Coloured display
  • Battery life of 20 days
  • Improved brightness
  • Fitness tracking is better than the Mi Band 3 
  • Affordable price


  • Charging cable is different, so not compatible with the old charger

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