Designed for people who want to control their activity level throughout the day to keep fit.

AMOLED color touch screen. View calls, messages and notifications.


Home delivery or Click & Collect
Store stock checker

Product benefits

Parameter measurement

24/7 heart rate and sleep tracking Activity tracking and health management


Battery life up to 20 days* 135 mAh large battery


Water resistant up to 50 m All-new swim tracking 5 ATM


Bluetooth 5.0 BLE Android 4.4 or above, iOS 9.0 or above

Easy reading

Full color AMOLED display Intuitive user interface

Technical information

Full color AMOLED touchscreen

Mi Smart Band 4 features a 0.95” full color AMOLED display with
120 x 240 pixel resolution, allowing users to view everything in a glance
with a splash of color. With a screen display of up to 400 nits, it’s easy to
read even under direct sunlight. Conveniently check fitness stats, view
messages, notifications, 7-day weather forecast, reject calls, and more.
Crafted with a durable 2.5D tempered glass, Mi Smart Band 4 offers
a smooth and responsive touchscreen experience.

20-day battery life* and 5 ATM water resistance

Mi Smart Band 4 is designed to keep up—its 135mAh battery provides up
to 20 days of use on a single charge*. Rated at 5 ATM, Mi Smart Band 4
is water resistant up to 50m. Wear it in the rain, through sweaty workouts,
in the shower, or even in the pool.

Activity and health tracking, all-new swim tracking mode

A round-the-clock fitness partner, Mi Smart Band 4 lets users get the most
out of their workouts with its dedicated Mi Fit app. Apart from accurately
monitoring steps, distance traveled, calories burned, heart rate, and sleep,
Mi Smart Band 4 supports different sports modes such as walking, running,
cycling, and the newly added swim tracking mode to monitor length, time,
swim strokes, SWOLF (a measure of swimming efficiency), and more.

Made for more

Mi Smart Band 4 retains a sleek and lightweight design with even more
cool features to love. It consists of an all-new intuitive user interface for
easy navigation, automatic band lock feature when it’s removed from the
user’s wrist, and controls for music playback on your phone.

Connectivity & Compatibility

- Bluetooth 5.0 BLE
- Android 4.4 or above, iOS 9.0 or above


3-axis accelerometer, 3-axis gyroscope, capacitive proximity
sensor, PPG heart rate sensor


2 years

Customer reviews