• Super long battery life!  The Mi Band 4 has been known to operate UP TO 45 days on a single charge!
  • Bright color AMOLED display
  • Your perfect work out partner, monitoring your heart rate and tracking your workout progress with 6 work out modes
  • Built in sedentary alarm (when connected to your phone via Mi Fit APP) - alerts you when you have sat for too long and need a walk
  • Your tiny smart watch - Mi Band 4 provides phone notifications for whatsapp messages, SMSes, calendar alarms and phone call alerts
  • Custom watch faces available through Mi Fit APP or other 3rd party APPs

Mi Band 4 Fitness Tracker

SKU: MiBand4
    • Weight 22.1g

    • Water Resistance Rating5 ATM

    • Display Type AMOLED

    • Screen Size 0.95"

    • Resolution120 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)

    • Wristband width 18mm

    • Wrist strap material Thermoplastic polyurethane

    • Adjustable wrist strap length 155-216mm 

    • RAM 512KB

    • ROM16MB

    • Sensors3-axis accelerometer + 3-axis gyroscope; PPG heart rate sensor; Capacitive proximity sensor

    • Wireless connectivity BT5.0 BLE

    • Battery LiPo, 135mAh

    • Charging Type 2-Pin 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

    • Package contents: 1 x MI Band 4, 1 x charger, 1 x manual and 1 x wrist strap