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Xiaomi Mi Smart Band 4 Review


Whether you are a tech enthusiast or a simple consumer, the Mi Smart Band 4 is a great accessory to have. It can provide you with information, access to your phone, and much more.

Battery life

Whether you’re looking for a new fitness tracker to keep track of your activity or you’re looking for a device that’s both stylish and affordable, the Xiaomi Mi Smart Band 4 can fulfill your needs. The device is waterproof, has a full-color AMOLED display, and a heart rate monitor, and can monitor sleep and alert you of messages and calls.

The device’s battery lasts for up to 20 days, although most users are getting a bit more than 14 days out of it. Some of the features and apps on the device may help improve battery life. However, you should be mindful of what apps you install, as some may use too much power.

The device uses Bluetooth 5.0 to communicate with your phone. This can help you monitor your heart rate, but it can also help drain the battery. When you’re not using the device, it’s recommended to turn on a power-saving mode. This feature will lock out some of the more feature-laden features but will keep the device charged for longer.


Compared to the previous Mi Band, the Mi Smart Band 4 has improved on its design. The new design features a clear, color display. This makes it easier to read messages and improves visibility.

The Mi Band 4 also offers new watch faces. These include six workout modes. It also tracks sleep and calories burned. It is water-resistant and can be used in the shower. It can relay notifications from your smartphone. It can also be used to play music. It’s compatible with the Mi Band 3 straps.

The Mi Band 4 uses a color AMOLED display. It is bright and clear. It has a 120 x 240 resolution. The screen is protected by 2.5D scratch-resistant tempered glass. The screen can have a maximum brightness of 400 nits. It also has a fingerprint-resistant coating.

The Mi Band 4 is waterproof. It also uses the phone’s GPS. It is compatible with iOS and Android. It has a battery that lasts for 30 days. It also has a heart rate sensor.


Unlike its predecessor, the new Mi Smart Band 4 offers a bigger, more advanced touchscreen. It also has a connected GPS. It is compatible with Android and iOS.

The Mi Smart Band 4 features several workout modes. It can track outdoor running, walking, cycling, and pool swimming. You can track general fitness metrics such as heart rate and calories. It is also waterproof. It can also monitor SpO2, or blood oxygen saturation.

The band also features a touchscreen display that has 400-nit brightness and a 120-by-240 pixel density. To access the controls, you can swipe left or right. You can also tap the capacitive button to go back.

There are three watch faces available, including a complication that displays your current heart rate. You can also customize the band with other watch faces.

You can use the Band’s microphone to make phone calls. The Band can also relay notifications from your smartphone. You can program custom vibration patterns for notifications.


XIAOMI Mi Band 4 is a smart bracelet that helps you to achieve your fitness goals. It is powered by a color AMOLED display and comes with a pedometer, reminders, and a built-in heart rate record. It also has an Auto-DND feature and is compatible with a variety of third-party apps.

Xiaomi recently announced its new Smart Band 7 in May. The new device features magnetic charging, which is a first for Xiaomi. It also adds a new dynamic dial, which is a feature that was not present in the previous Mi Band 5 model. Xiaomi has also added support for all-day sleep tracking. You can now track your activities all day and analyze your sleep patterns. This software is not yet available in the U.S. However, it will be released globally shortly.

You can also connect your Mi Band 4 with the Notify & Fitness app. This app provides a wide range of resources, including watch faces, external links to download resources, and firmware updates. It can also sync your workouts with Strava. This software is available in two versions. One is a free version, while the other is a paid one. You need a Pro version to access the full functionality.