The Mi Smart Band 4 – Everything You Need To Know!

Xiaomi just launched the Mi Smart Band 4 – their latest smart band / smart watch! Here is everything you need to know about this new wearable device!


Mi Smart Band 4

Let’s start with the official product briefing by Allen An, Xiaomi Country Manager for Malaysia and Singapore.

Full Colour AMOLED Display!

It now features a full-colour AMOLED display, so you can now view your fitness stats, messages and notifications in 24-bit colour!

Long Battery Life!

You need not worry about how much power the full-colour AMOLED display consumes. It comes with a 135 mAh LiPo battery that is rated to last up to 20 days on a single charge!

More Tracking Features

In addition to tracking features from the previous generations, it now features a new swim tracking mode that monitors :

  • swim length
  • swim time
  • swim strokes
  • SWOLF (a measure of swimming efficiency)


Mi Smart Band 4 Specifications

SpecificationsMi Smart Band 4
Display0.95-inch AMOLED
- 24-bit colour depth
- 400 nits maximum brightness
Display Resolution120 x 240 pixels
Display Protection2.5D tempered glass with anti-fingerprint coating
Water Resistance5 ATM
Storage16 MB
Battery135 mAh LiPo Battery
Standby Time : Up to 20 days
Charging Time : ≤ 2 hours
Wireless ConnectivityBluetooth 5.0 LE
Sensors3-axis accelerometer
3-axis gyroscope
PPG heart rate sensor
Capacitive proximity sensor
Vibration MotorRotor
Body MaterialPolycarbonate
ButtonSingle touch button
- wake up / go back
Wristband18 mm removable wrist band (compatible with Mi Band 3)
- made from thermoplastic polyurethane
Weight22.1 grams


Mi Smart Band 4 Price + Availability

Mi Smart Band 4 will be available at Lazada and Shopee, as well as Mi Stores, with immediate effect, at these prices (accurate as of 31 July 2019) :


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