Mi Smart Band
Xiaomi Mi Smart Band 4 Fitness Tracker
Xiaomi Mi Smart Band 4 features 0.95-inch full-color AMOLED display, heart rate monitor, activity and sleep tracking, 20 days of battery backup, Call Text and App notifications
Xiaomi Mi Smart Band 4 features 0.95-inch full-color AMOLED display, heart rate monitor, activity and sleep tracking, 20 days of battery backup, Call Text and App notifications