ELECTRONICS & COMPUTERS

Type: M4 (Global Version)

 

Screen Size: 0.95″

 

Wrist Strap Material: Thermoplastic polyurethane

 

Adjustable Wrist Strap Length: 155-216mm

 

Wristband Width: 18mm

 

Water Resistance Rating: 5 ATM

 

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)

 

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 Tequirements: Android 4.4, iOS 9.0 or above

 

Feature:

 

-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