1. Master Chip: NRF52832 / G-Sensor: KXTJ3-1057 
2. PPG chip:PD70-01C-TR7
3. Screen: 1.22 IPS TFT Color screen, 240*204 pixel
4. Battery: 200mAh Polymeter Lithium Battery 
5. Charging way: Magnetic charging
6. BLuetooth: 4.0BLE(Low power) 
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: 24 hours continue Heart rate detection, Blood pressure , Blood oxygen,Time display, step, calories, weather,distance, sleeping, camera, Sleep monitoring , Call reminders, SMS reminder, Wechat and other APP reminder,Find the bracelet,Alarm clock  / Sedentary reminder,One-key measure of heart rate,shake shake to take pictures,Female Physiological Period Reminder.