Mi Smart Band 4
Your transformation begins now.
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.
A MOTIVATIONAL TRANSFORMATION
Your personal trainer is with you every step of the way.
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.
|Water Resistance Rating||5 ATM|
|Resolution||120 x 240 RGB|
|Screen Brightness||Up to 400 nits (max brightness), brightness adjustable|
|Touchscreen type||On-cell capacitive touchscreen|
|Screen protection||2.5D tempered glass with anti-fingerprint coating|
|Button||Single touch button (wake up, go back)|
|Wrist strap type||Removable wrist strap
(Mi Smart Band 4 is compatible with Mi Band 3 straps)
|Wrist strap material||Thermoplastic polyurethane|
|Adjustable wrist strap length||155-216mm|
|Sensors||3-axis accelerometer + 3-axis gyroscope;
PPG heart rate sensor;
Capacitive proximity sensor
|Wireless connectivity||BT5.0 BLE|
|Charging Type||2Pin Pogo Pin|
|Charging time||≤ 2 hours|
|Standby time||Up to 20 days|
|System requirements||Android 4.4, iOS 9.0 or above|