Xiaomi Mi Band 4- Smart Band With Color Screen & Heart Rate Sensor
Product Details:
Display: 0.95" AMOLED Display, 120*240 Pixels
Battery: 135mAh battery compacity, Up to 20 days (Recharging time ~2 Hours)
Water resistance: 5ATM water resistance up to 50m
RAM+ROM: 512K RAM+16MB ROM
Activity Tracking: Count steps, distance, calories burned
Healthy monitoring: 24/7 Heart rate monitoring
Sensor: 3-axis accelerometer, 3-axis gyroscope,
Connective: Bluetooth 5.0
System requirement: Android 4.4, IOS 9 and above