- Weight 22.1g.
- Adjustable wrist strap length 155-216mm.
- RAM 512KB.
- ROM 16MB.
- Wristband width 18mm.
- Water Resistance Rating 5 ATM.
- Display Type AMOLED.
- Screen Size 0.95″.
- Resolution 120 x 240 RGB.
- Wireless connectivity BT5.0 BLE.
- Battery LiPo, 135mAh.
- Charging Type 2Pin Pogo Pin.
- Charging time ≤ 2 hours.
- Standby time Up to 20 days.
- Motor Type Rotor.
- Body material Polycarbonate.
- App Mi Fit.
- System requirements Android 4.4, iOS 9.0 or above.
- Color Depth 24bit.
- Mi Smart Band 4 X 1.
- Wrist strap X 1.
- Specialized charging cable X 1.
- User guide X 1.
- Color: Black.
- Warranty: 6 Month Replacement.
- Alarm (Must be set in application snooze mode: 10 minutes).
- Maximum 10 alarms.
- Maximum 50 Event reminders.
- Note – Version Chinese (When you connect with APPS, then automatically become English).
- Alipay (Only maybe in Mainland China).
- Camera, DND mode (Not 100% sure for now).
- Music Smart control.
- Color Screen: Resolution: 240×120 pixels.
- MI AI Speaker (Only for Chinese).
- Six Sports Activities (Cycling, Free training, run, swim, treadmill, walk, swim).
- 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.
- Sensors 3-axis accelerometer + 3-axis gyroscope; PPG heart rate sensor; capacitive proximity sensor.
- Sport Functions 6 workout modes: Treadmill, exercise, outdoor running, cycling, walking, pool swimming; Count Steps, distance, and calories burned.
- Health monitoring Workout completion notifications, goal setting, sleep monitoring, heart rate monitoring, all-day heart rate checking, resting, heart rate, heart rate chart, idle alerts.
- Other features Alarm, proximity sensor, pre-set watch face, customizable watch face, lock screen, timer, stopwatch, phone alarm and notifications, incoming calls, message notifications, calendar notifications, app notifications, weather forecast, Find my phone, phone unlock, event notification, Night mode, Do not disturb mode (works even without phone), music controls on band, Bluetooth broadcasting, battery level display, different ways to wear, OTA updates.
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.
Your personal trainer is with
you every step of the way.
Swimming5 ATM water resistant up to 50m
Recognizes 5 different swim styles
Records 12 data sets including swimming pace and stroke count
Power walking5 core data sets
Helps you improve power walking efficiency
CyclingCheck your heart rate in real time to make sure you get the best workout
as you climb mountain roads or dash around the city.
RunningTracks your pace and step count
Maintain a safe workout, whether you’re running short or long distance.
A REINVIGORATED TRANSFORMATION
Improving your daily energy starts with
understanding your sleep patterns.
Accurately tracks light and deep sleep
as well as heart rate during sleep
to help you adjust your sleep patterns.
A light vibration gently wakes you
up for a more comfortable morning.
Mi Fit app
Records your health data to help you get the most out of life.
A POWERFUL TRANSFORMATION
24/7 Heart rate monitoring
keeps you safe and healthy.
24/7 Heart rate
Safeguard your health at all times.
Alerts you when your heart rate is too high.
Stay active as you get reminders
to get up and get moving.