◼COMPATIBLE SYSTEM OF PHONE AND BLUETOOTH VERSION (ANDROID 4.2 & ABOVE IOS 9.0 & ABOVE) 
◼BLUETOOTH V4.0
◼App "WEARFIT2.0"
◼HOME : DISPLAY TIME, DATE , BATTERY SPORTS DATA,  WEATHER 
◼SPORT DATA 
◼SLEEP MONITOR
◼HEART RATE MONITOR 
◼BLOOD OXYGEN