Full colour AMOLED
Touch display View call, text, and app notifications.
Activity and swim tracking
Water resistant up to 50m, 3-axis accelerometer, 3-axis gyroscope
Up to 20 days battery
A single charge lasts up to 20 days.
24/7 heart rate monitoring and sleep tracking.
A BEAUTIFUL TRANSFORMATION
Get a wider, more colourful view right on your wrist.
The all-new full colour AMOLED touch display
that’s 39.9% larger and brighter than ever before.
Instantly view call, text, app notifications and music in play.
Keep your hands free as you keep up with life.
Whether you're doing high-speed battle rope training or an aerobic battle rope workout, Mi Smart Band 4 will track your heart rate, calories burned and more.
Tracks your pace and step count Maintain a safe workout, whether you're running short or long distance.
5 ATM water resistant up to 50m Recognizes 5 different swim styles Records 12 data sets including swimming pace and stroke count.
5 core data sets Helps you improve power walking efficiency
Check your heart rate in real time to make sure you get the best workout as you climb mountain roads or dash around the city.
A REINVIGORATED TRANSFORMATION
Improving your daily energy starts with understanding your sleep patterns.