Xiaomi Mi Band 4 Black - Global
Mi Smart Band 4
Your transformation begins now.
Full colour AMOLED
View call, text, and
Water resistant up to 50m*；
Up to 20 days
A single charge lasts
up to 20 days.
24/7 heart rate
and sleep tracking.
Instantly view call, text, app notifications and music in play.
Keep your hands free as you keep up with life.
Your personal trainer is with
you every step of the way.
A REINVIGORATED TRANSFORMATION
Improving your daily energy starts with
understanding your sleep patterns.
Accurately tracks light and deep sleep
as well as heart rate during sleep
to help you adjust your sleep patterns.
A light vibration gently wakes you
up for a more comfortable morning.