Chipset No.:MTK2502
Internal Memory for storage (ROM+RAM):RAM:512KB,ROM:138KB,Extra 32M flash
LCD:1.3-inch IPS high-definition full-fit round screen
Touch Panel:Full touch screen
G-Sensor:Bosch421
Bluetooth:BT4.0
Battery Type:320mAh high-capacity polymer,filled in 150minutes
Heart rate:24 hour regular heart rate monitoring
Blood pressure:YES
Blood oxygen:YES
Compability:support IOS 8.0+ and Android 4.4+
Major function:
Heart Rate,Blood Pressure,Blood Oxygen,Pedometer,Stopwatch, Clock,Music Control,Weather,Notifications push, SMS alerts push, sleep monitoring, sedentary reminder,Multiple sports mode,Call reminder
Feathers :

1.IP68 waterproof
2.Heart rate monitoring,Blood pressure monitoring
3.Pedometer, sport mode data collection
4.Sleep monitoring,
5.Bluetooth 4.0 sedentary reminder
6.Alarm clock,Stopwatch
7.Bluetooth call function ,bluetooth smartphone APP connection information push
8.APP support above Android 4.4 and IOS8.4
9.Support Multi languages