1. Master Chip: RTL8762CK + BK3266 
2. PPG chip: VC31B
3. Screen: 1.28 IPS Color screen, 240*204 pixel
4. Battery: 230mAh Polymeter Lithium Battery 
5. Charging way: Magnetic charging
6. BLuetooth: BLE5.0, BT3.0
7. Compatible : Android 4.4 and above,iOS 8.0 and above
8. Waterpfoof Level: IP67
9. Manipulation Mode:  single button control, mobile phone APP control
10. Functions: Bluetooth calling, Bluetooth music, 23 models of exercise, heart rate detection, blood pressure detection, blood oxygen detection, pedometer, Time and date display, step counting, calorie, distance display,Sleep monitoring ,GPS track movement,Phone calls reminding, SMS, lnstagram, linkeln, Snapchat, Facebook, Twitter, WhatsApp message push, stopwatch, mobile phone search, hand display, sedentary reminder, alarm clock reminder (3), shake photo, female physiology reminder, exercise access, exercise goal setting, fitness information sharing, weather, smart alarm clock, raise hand to light screen, search mobile phone, do not disturb mode.