specifications
Weight
22.1g
Water Resistance Rating
5 ATM
Display Type
AMOLED
Screen Size
0.95''
Resolution
120 x 240 RGB
Colour Depth
24 bit
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
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
Package contents
Mi Smart Band 4 x1
Wrist strap x1
Specialised charging cable X 1
User guide x1
