Features

• Small, lightweight design.
• Power-efficient AMOLED interactive display.
• One Touch button cycles through your tracking stats.
• Built-in heart rate monitor with PPG.
• Military-grade sensor.
• Monitor your daily fitness levels.
• Track steps, walking distance and calories burned.
• Set daily exercise targets and goals.
• Automatic sleep monitoring tracks deep and light cycles.
• Built-in vibration alarm wakes you gently from a deep sleep.
• Syncs with Mi Band companion app via Bluetooth.
• Share and compare results with friends.
• Swipe to automatically unlock your mobile phone (no passcode required).
  • with Mi Brand identity (see support notes below).
• Incoming call alerts and reminder (vibration notification).
• 5 ATM water resistance rating.
• Built-in location beacon (Mi Band lights up and vibrates) so you'll never lose it again.
• Works on Android and Apple iOS devices using the Mi companion app.
  • see Support Notes below.

Specifications

• Weight: 22.1g
• Display: AMOLED (0.95-inch)
• Resolution: 120 x 240 RGB (24bit colour depth)
• Screen: Capacitive touch
• Screen Brightness: up to 400 nits (max.)
• Sensor: 3-axis accelerometer / gyroscope / PPG heart rate
• Connectivity: Bluetooth 5.0 BLE
• Battery: Lithium Ion Polymer (135mAh)
• Battery Life: up to 20 days (standby)
• Colour: Black
• Wrist strap width: 18mm
• Wrist strap length: 155-216mm (adjustable)
• Sleep Monitor: Yes
• Pedometer: Yes

Compatibility

• Universal support for most mobile phones.
• Mi Fit (companion app) requires:
  • Android 4.4 or higher.
  • iOS 9.0 or higher.

What's in the Package?

• Xiaomi Mi Band 4
• USB Charging Cradle (for module)
• User Manual (view pdf)

Support Notes

• Mi Band's phone unlocking feature requires smartphones with MIUI and Android 5.0 and above.
• Download the Mi Fit App:
  • iOS (view on iTunes)
  • Android (view on Google Play)