Mi Band 4

Quick Overview

• Health Tracker: Measurement Of Heart Rate,Sleep Management,Pedometer,Calories Burned Measuring,Steps Counting,Distance Recording,Sedentary Reminder
  Other Functions: Stopwatch, Alarm Clock, Timer, Find My Phone, Phone Unlock, Event Reminder, Do Not Disturb Mode (Works Even Without Phone), Lock Screen, Music Controls On Band
  Alert Type: Vibration
  Sensors: 3-Axis Accelerometer, 3-Axis Gyroscope, Capacitive Proximity Sensor, Optical Heart Rate Sensor
• Screen: 0.95 Inch Color AMOLED Display
  Resolution: 120*240RGB
  Touch Key: Yes
• Battery Type: Lithium Polymer Battery
  Battery Capacity:135mAh
  Standby Time: About 20 Days