Mi Smart Band 4 Fitness Tracker with Color AMOLED Touch LCD & Music control – Black

Mi Smart Band 4 Fitness Tracker with Color AMOLED Touch LCD & Music control – Black

Specifications

Weight 22.1g

Water Resistance Rating 5 ATM

Display Type AMOLED

Screen Size 0.95″

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)

Wristband width 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 X 1
• Wrist strap X 1

• Specialised charging cable X 1
• User guide X 1

Step up, live more

Full colour display and heart rate monitor

Your transformation begins now.

• Full colour AMOLED
  touch display

  View call, text, and
  app notifications

• Activity and
  swim tracking

  Water resistant up to 50m*；
  3-axis accelerometer,
  3-axis gyroscope

• Up to 20 days
  battery*

  A single charge lasts
  up to 20 days.

• Health
  monitoring

  24/7 heart rate
  monitoring
  and sleep tracking.

A BEAUTIFUL TRANSFORMATION

Get a wider, more colourful
view right on your wrist.

The all-new full colour AMOLED touch display
that’s 39.9% larger* and brighter than ever before.

Instantly view call, text, app notifications and music in play.
Keep your hands free as you keep up with life.

* Support for local languages will be added later via OTA update.

A MOTIVATIONAL
TRANSFORMATION

Your personal trainer is with
you every step of the way.

• Swimming5 ATM water resistant up to 50m
  Recognizes 5 different swim styles
  Records 12 data sets including swimming pace and stroke count
• Power walking5 core data sets
  Helps you improve power walking efficiency
• CyclingCheck your heart rate in real time to make sure you get the best workout
  as you climb mountain roads or dash around the city.
• Battle ropesWhether you’re doing high-speed battle rope training or an aerobic battle rope workout,
  Mi Smart Band 4 will track your heart rate, calories burned and more.
• RunningTracks your pace and step count
  Maintain a safe workout, whether you’re running short or long distance.
• Swimming5 ATM water resistant up to 50m
  Recognizes 5 different swim styles
  Records 12 data sets including swimming pace and stroke count
• Power walking5 core data sets
  Helps you improve power walking efficiency
• CyclingCheck your heart rate in real time to make sure you get the best workout
  as you climb mountain roads or dash around the city.
• Battle ropesWhether you’re doing high-speed battle rope training or an aerobic battle rope workout,
  Mi Smart Band 4 will track your heart rate, calories burned and more.

A REINVIGORATED TRANSFORMATION

Improving your daily energy starts with
understanding your sleep patterns.

Sleep monitoring

Accurately tracks light and deep sleep
as well as heart rate during sleep
to help you adjust your sleep patterns.

Wristband alarm

A light vibration gently wakes you
up for a more comfortable morning.

Mi Fit app

Records your health data to help you get the most out of life.

A POWERFUL TRANSFORMATION

24/7 Heart rate monitoring
keeps you safe and healthy.

24/7 Heart rate
monitoring

Safeguard your health at all times.
Alerts you when your heart rate is too high.

Idle alerts

Stay active as you get reminders
to get up and get moving.

AN ENDURING
TRANSFORMATION

Stays by your side for 20
days on a single charge.

NOTE:

• • * Water resistant up to 50m. Water resistance is in accordance with GB/T 30106-2013 standard. Testing performed by the National Quality Supervision and Inspection Center for Watches. Mi Smart Band 4 water resistance report code: QT1902005;

• • * Mi Smart Band 4 lasts up to 20 days on a single charge according to Huami Laboratory testing: Tested using default settings, with 30 minute automatic heart rate monitoring enabled, receiving 100 notifications per day, 2 alarms per day, vibrating for 5 minutes, touching the touch button 10 times per day, and syncing with the app once per day. Actual results may differ due to to differences in environment, use and settings.

• • * “39.9% larger display size” is in comparison to Mi Band 3. Mi Band 3’s display measures 17.26mm in length and 9.66mm in width. Mi Smart Band 4 measures 21.6mm in length and 10.8mm in width. Calculated as (10.8*21.6-9.66*17.26) / (9.66*17.26), the Mi Smart Band 4’s display is 39.9% larger than Mi Band 3’s display.

• • * Images are for reference only, font may be slightly different from actual product.