M3 Smart Watch

Screen display band （0.87 OLED）
Heart rate detection, time, step, distance and calorie display on the screen
Standard function (step, distance, calories)
Sleep monitoring (sleep time, sleep quality）
Incoming remind, Message push（Optional）
Anti lost remind (phones beyond the scope will remind)
Alarm clock remind, task remind, activities remind
moving target setting
SUOTA function, through the APK/APP upgrade bracelet firmware(optional)
Synchronous data to mobile applications