Sports bracelet H28 functional specification
 screen display band (0.86 inn 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)
Intelligent unlock
Alarm clock remind
Task remind
Activities remind
moving target setting
moving information sharing
SUOTA function, through the APK/APP  upgrade bracelet firmware(optional)
 "DayDay Band" APP in google play and app store 
Synchronous data to mobile applications
Android and apple application in sync