Mi Band 4 & more wins at iF Design Awards 2020!
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$59.00  inc GST
13 reviews Write a Review

Mi Fitness tracker Smart Band 4

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Compatible OS:
iOS / Android
Heart Rate Monitor:
Waterproof Rating:
$59.00  inc GST
No shipment date is currently available Delivery Estimates
Sold out
$59.00  inc GST


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.

A motivational transformation

Your personal trainer is with you every step of the way

Battle ropes

Whether 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.


Tracks your pace and step count Maintain a safe workout, whether you're running short or long distance.


5 ATM water resistant up to 50m Recognizes 5 different swim styles Records 12 data sets including swimming pace and stroke count

Power walking

5 core data sets Helps you improve power walking efficiency


Check your heart rate in real time to make sure you get the best workout  as you climb mountain roads or dash around the city.

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.




Water Resistance Rating


Display Type


Screen Size



120 x 240 RGB

Colour Depth


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


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


Wrist strap material

Thermoplastic polyurethane

Adjustable wrist strap length







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

Wireless connectivity



LiPo, 135mAh

Charging Type

2Pin Pogo Pin

Charging time

= 2 hours

Standby time

Up to 20 days

Motor Type


Body material



Mi Fit

System requirements

Android 4.4, iOS 9.0 or above


Rate & Review this Product

Kleopara 1 December 2020
"My Fitbit started playing up - too dark screen and black lines on the screen plus it stopped recording details during sleep.. Decided to buy band 4. Cannot be happier! The screen is so much brighter, records heart beat during resting, will try swimming, apparently it can recognise styles and will show the distance I swam. None of this was available in Fitbit. One thing that I would suggest - complete flexibility in..." Read More
Finn 23 October 2020
"Great Watch"
Isaac 8 July 2020
"Amazing good"
Stephen 2 July 2020
"Great tracker."
Amanda 24 December 2019
"I am really happy with my Mi Fitness Tracker. I am on day 21 and it is only down to 52% battery. Love the idle alert to remind me to jump up and move when I am at work. It is a great motivator and I have increased the level for the amount of steps twice already."
Doig 16 November 2019
"steps are inaccurate but it’s good."
Trev 14 November 2019
"Good value for money tracker. I use it primarily for swimming. I am not sure if I made a mistake during set up but my swimming records are not kept or transferred over to the MI fit app. This may be my error but I find that disappointing. The heart rate monitor is great, but it would be awesome if it could monitor my heart rate while I swim. I have also had issues with the workout swim function failing during..." Read More
Christopher W. 31 October 2019
"In short, you can't go wrong with this watch!

Check out my video review!
- https://www.youtube.com/watch?v=cfaeecPaJHo&t=8s"
Johnny R. 10 October 2019
"Wow. Hard to believe this little money gets so many features. I bought it primarily for the alarm to remind me to take my meds during the day but the band has a great display that's easily read in the sun, is waterproof (haven't been swimming but had multiple showers with no issues), there's 100s if not 1000s of different displays to easily download, a heart rate monitor, a stopwatch, shows notifications & text..." Read More
SSThunder 5 August 2019
"Absolutely fantastic little thing. for an everyday use this is brilliant. The battery life is great. Easy to use and setup."
James D. 3 August 2019
"So for this price you get a really small and light wristband watch with an amazing battery life. I have had the watch for 2 weeks now and have done 3 sessions of mountain biking and 8 sessions of gym with this watch. I have not used it under water or had it wet apart from splashing while washing my hands so can't comment on water resistance (take it off during showers).

The good:
Great as a watch
Fantastic batt..." Read More
Vik 28 June 2019
"Just bought it yesterday from Sylvia park store and so far it's awesome especially the battery life. I wore it at 47% yesterday and it's sitting at 46% the next morning."
Sachet C. 26 June 2019
"I like this mi-4 version as last time i was looking for smart watch but in a budget i like m-3 band but that was not ao much attractive so I changed my mind but this time i will definitely gonna buy mi-4