Screen: 1.22 inch IPS HD, Resolution 240*240
CPU: nRF52832
RAM/ROM: 64KB/512KB
Charging method: Magnetic attraction
Touch : Single touch
Battery capacity: 150 mAh
Heart rate: Everlight PD70-01C/TR7
APP/APK Download method Android and Apple app sync:H band
APP: H band
Compitable: iOS 8.0 above , Android 4.4 above 
Features: Bulit-in female physiological cycle reminder, safety period, menstrual period, ovulation period,pregnancy period reminder. 
Functions: Step, exercise distance, calories burned, heart rate, blood pressure, multiple exercise modes, SNS message reminder, sleep detection, Raise your hand to brighten, sedentary reminder, smart alarm clock,Support WeChat campaign,Apple Health Access.