Original Newest Xiaomi Mi Band 4 Bracelet Heart Rate Fitness Bluetooth 5.0 Color Screen 135mAh 50M Swimming Waterproof
Mi Smart Band 4
Step up, live more
Full colour display and heart rate monitor
The all-new full colour AMOLED touch display
that’s 39.9% larger* and brighter than ever before.
Your personal trainer is with you every step of the way.
5 core data sets Helps you improve power walking efficiency