Your transformation begins now.
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Full colour AMOLED touch display
View call, text, and app notifications
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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.
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A BEAUTIFUL TRANSFORMATION
Get a wider, more colourful view right on your wrist. -
Health monitoring
24/7 heart rate monitoring and sleep tracking.
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A MOTIVATIONAL TRANSFORMATION
Your personal trainer is with you every step of the way.
Specifications
- Weight – 22.1g
- Water Resistance Rating – 5 ATM
- Display Type – AMOLED
- Screen Size – 0.95″
- Resolution – 120 x 240 RGB
- Colour Depth – 24bit
- 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)
- Wristband width – 18mm
- Wrist strap material – Thermoplastic polyurethane
- Adjustable wrist strap length – 155-216mm
- RAM – 512KB
- ROM – 16MB
- Sensors – 3-axis accelerometer + 3-axis gyroscope; PPG heart rate sensor; Capacitive proximity sensor
- 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
Features
- 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
