Xiaomi Mi Smart Band 4


Out of stock

Key Features
  • Brand: mi
  • Full-color AMOLED touch display
  • Activity and swim tracking
  • Up to 20 days battery
  • Health monitoring



Out of stock

Mi Band 4.

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, the phone unlocks, event notification, Night mode, Do not disturb mode (works even without phone), music controls on the band, Bluetooth broadcasting, battery level display, different ways to wear, OTA updates.



  • 0.95″ inch AMOLED display
  • Resolution: 120 x 240 RGB
  • Screen Brightness: Up to 400 nits (max brightness), brightness adjustable


  • Weight: 22.1g
  • 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


  • RAM: 512 kb
  • ROM: 16 Mb


  • Wireless connectivity: BT5.0 BLE

Other Features.

  • Sensors: 3-axis accelerometer + 3-axis gyroscope; PPG heart rate sensor; Capacitive proximity sensor
  • System requirements: Android 4.4, iOS 9.0 or above


  • Battery: LiPo, 135mAh
  • Charging Type: 2Pin Pogo Pin
  • Charging time: ≤ 2 hours
  • Standby time: Up to 20 days
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