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


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.


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  1. Good review, every detail explained well. I liked this video.

  2. Gharme light nahi hai kya

  3. Honest review, it's just a cheap looking watch, the facts are it doesn't measure anything with any accuracy

  4. Can we fix the time out of display???

  5. But how it will start it is not getting on for first time

  6. Hi I have already bought mi band 4 one week back it's really made me to burn more calories and one thing you have missed to explain one important option, that is we can customize mi band 4 face with our own images from Gallery.☺️?

  7. My band is not changing display. It is saying it couldn't download.

  8. Hi I normally wake up at 6 am in the morning but that mi band 4 start counting my steps from 7 am instead. Could you tell me how to reset it to start counting the steps from 6 am instead please? Could you tell step by steps as I am so now with using the band like this. Many thanks

  9. I run, i climb stairs, i walk, all without the help of any electronic device. wahh revolutionary

  10. I like it but it dosnt have vibration

  11. How do u turn of notifications!

  12. Is it possible to take blood pressure in MI band 4,or any other brand fitness band?

  13. How I guess which band is real or fake

  14. I don't feel like am getting the best out of my mi band 4??

  15. New to this device, do you need to carry your phone with you to track steps?

  16. No blood pressure?

  17. Besides the default app notifications, does it have the option to add other app notifications (such as gmail, weibo, wechat, instagram, twitter…etc…)?

  18. Good instructions easy to follow set watch up from your video thank you

  19. Does it display GPS NAVIGATION ?

  20. Can you turn off heart rate sensor?

  21. Can I reject calls and receive notifications if the mobile phone is out of bluetooth range?

  22. im see this video via honor band 5 ?

  23. How long is the screen from top to bottom?

  24. Salut , j'ai acheté mi smart band 4, mais je ne peut bas la charger sans savoir avec quoi, je veut savoir sur quoi la brancher ? svp

  25. Hi! Any idea on how to use Google Assistant or voice commands for Mi Band 4?

  26. Thanks so much, very helpful video!

  27. I Loved Mi Band 4, & Watching This Video.

  28. OMG how can you raed chinese? the characters are so complex. OMG.

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