Xiaomi Mi Band 4 Review – An NFC Enabled Smart Bracelet

In a recent event at China, the highly awaited MI Band 4 has been launched by Xiaomi that seems to have a lot to talk about.  The company has made significant changes to its predecessor and everyone is pretty excited to discover those. Here in this review, we have highlighted all important features of Xiaomi Mi Band 4 that will allow you to know every single detail about this fabulous device:

Design & Display:

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Xiaomi Mi Band 4 boasts about AMOLED display of 0.95 inches featuring a resolution of 120 x 240. The touchscreen of this device lets you choose amongst more than 75 different faces including Luo Overwatch and Ali the fox. It is available in five different color variants – Pink, Claret, Blue, Orange, and Black. The arch shape of the dial makes it look highly attractive. The wrist strap of the device is made of TPU material that makes it quite comfortable to wear. This band also features 2.5D tempered glass that comes with scratch resistant feature. The charging contact is situated at the rear side of the monitor but you still need to remove the monitor to facilitate charging.

Recommended for you: Kospet Optimus Pro Android Smartwatch Phone Feature Review.

Xiaomi Mi Band 4 Key features:

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  • NFC: Xiaomi Mi Band 4 comes with NFC variant that allows you to use it as entrance card as well as traffic card. It is compatible with Xiaomi Mijia smart door loc thereby making your job of entry and exit pretty easy. In short, it will act as a highly convenient gate pass for you.
  • Bluetooth 5.0: This bracelet features Bluetooth 5.0 that offers high-speed connectivity and amazing efficiency.
  • Notification: It also comes with a notification function that mainly covers reminders, messages, and calls. You also have the luxury to accept or decline calls using this modern Band.
  • Sports activity tracking: Sports tracking is one of the key features of Mi Band 4. It can track footsteps and calories burned. Users get access to six different sports modes that include walking, cycling, exercise, outdoor running, indoor running and swimming. It comes with water-resistant capability. You can take it up to 50 meters of deep water. You can use it while performing different kinds of swimming strokes such as Freestyle, Medley, Butterfly, Backstroke and many more.
  • Sleep Monitoring: This bracelet perfectly records details regarding your sleep quality. You can access specific data such as light sleep and deep sleep through Mi-Fit.
  • Smart Home Control: The Mijia app and Xiaomi AI speaker is there when you need something. You simply need to raise your wrist close to your mouth and you can see miracles happening quickly.
  • Intelligent Voice Assistant: Xiaomi Mi Band 4 also comes with a built-in AI speaker. You can easily begin a conversation with your wristwatch using a voice assistant.
  • Alipay Offline Payment: The device also comes with the unique function of Alipay Offline Payment. It lets you make payment by simply scanning the QR code and you don’t even need to touch your phone.


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Xiaomi Mi Band 4 features a Li-ion battery of 125mAh that offers 15 days of back up in standby mode. It takes around 2 hours to fully charge this device. However, if you kept functions such as heart rate monitoring consistently on then it may drain the battery life suddenly.

Weight, Dimensions & Package contents:

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Xiaomi Mi Band 4 comes with unique dimensions of 9.72 x 0.7 x 0.47 inches. It weighs only 20 grams.  It clearly shows that this device is highly compact. You can easily carry it anywhere without even feeling it in your hand.

The entire kit of this bracelet features 1 Smart bracelet and 1 USB charger. The main device is all inclusive and you don’t need any additional accessories to get best out of it. If you have any queries regarding specific functionality of the device then a user manual is there to guide you.

You may also like: Xiaomi Redmi AirDots Bluetooth Headset (TWSEJ04LS) Feature Review.

The Bottom Line:

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Xiaomi Mi Band 4 is currently available on GearBest at a presale price of only $62.99 with a hefty discount of 44%. This bracelet will be known for its premium specification. It not only adds a style statement to your life but also brings a lot of utility in a small package. Whether you are a college guy or a professional businessman, you will love carrying this device anywhere you want with total confidence.

Buy Mi Band 4 (NFC) Buy Mi Band 4 (Non-NFC)

Xiaomi Mi Band 4 - Review Breakdown

Design & Display
Ease of Use


Xiaomi Mi Band 4 will be known for its premium specification. It not only adds a style statement to your life but also brings a lot of utility in a small package.

Xiaomi Mi Band 4 Video Slideshow:

Buy Mi Band 4 (NFC) Buy Mi Band 4 (Non-NFC)

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Published By: Souvik Banerjee

Souvik BanerjeeWeb Developer & SEO Specialist with 15+ years of experience in Open Source Web Development specialized in Joomla & WordPress development. He is also the moderator of this blog "RS Web Solutions".