1. Bluetooth version: BLE 5.0
2. Main control chip: Ruiyu 8763EWE-VP
3. Memory: Flash 128MB
4. Resolution: 466x466
5. Battery capacity: 400mAh
6. Standby time: about 30 days
7. Working time: about 5-10 days
8. Screen: 1.43-inch AMOLED low-power full-circle screen
9. System requirements: Android 4.4 and above, iOS 8.0 and above
10. Support Bluetooth calls, heart rate detection, blood pressure detection, blood oxygen detection, all-day heart rate detection, sleep monitoring and other functions
2. Main control chip: Ruiyu 8763EWE-VP
3. Memory: Flash 128MB
4. Resolution: 466x466
5. Battery capacity: 400mAh
6. Standby time: about 30 days
7. Working time: about 5-10 days
8. Screen: 1.43-inch AMOLED low-power full-circle screen
9. System requirements: Android 4.4 and above, iOS 8.0 and above
10. Support Bluetooth calls, heart rate detection, blood pressure detection, blood oxygen detection, all-day heart rate detection, sleep monitoring and other functions