Specifications
- Weight:22.1g
- Water Resistance Rating:5ATM
- Display Type:AMOLED
- Screen Size:0.95 inches
- 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)Removable wrist strap
(Mi Smart Band 4 is compatible with Mi Band 3 straps) - (Mi Smart Band 4 is compatible with Mi Band 3 straps)
- Wristband width:18mm
- Wrist strap material: Thermoplastic polyurethane
- Adjustable wrist strap length155-216mm
-
Sensors:3-axis accelerometer + 3-axis gyroscope;
PPG heart rate sensor;
Capacitive wear monitoring sensor - PPG heart rate sensor;
- Capacitive wear monitoring sensor
- Wireless connectivity: Bluetooth 5.0 BLE
- Battery: LiPo, 135mAh
- Charging Type:2-Pin Pogo Pin
- Charging time:≤ 2 hours
- Standby time:≥ 20 days
- 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, 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, battery level display, OTA updates