Weight 22.1g
Water Resistance Rating 5 ATM
Display Type AMOLED
Screen Size 0.95"
Resolution 120 x 240 RGB
Colour Depth24bit
Screen Brightness Up to 400 nits (max brightness), brightness adjustable
Touchscreen type On-cell capacitive touchscreen
Screen protection2.5D 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 width18mm
Wrist strap material Thermoplastic polyurethane
Adjustable wrist strap length155-216mm
RAM512KB
ROM16MB
Sensors3-axis accelerometer + 3-axis gyroscope;
PPG heart rate sensor;
Capacitive proximity sensor
Wireless connectivityBT5.0 BLE
Battery Li Po, 135mAh
Charging Type2Pin Pogo Pin
Charging time≤ 2 hours
Standby time Up to 20 days
Motor Type Rotor
Body material l Polycarbonate
App Mi Fit
System requirements Android 4.4, iOS 9.0 or above
Features
Sport Functions6 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
Информация по комментариям в разработке