1. Bluetooth version: BLE 5.0
2. Main control chip: Ruiyu 8763EW
3. Memory: Flash 128MB
4. Resolution: 360x360
5. Battery capacity: 400mAh
6. Standby time: about 30 days
7. Working time: about 5-10 days
8. Screen: 1.39-inch IPS square screen
9. System requirements: Android 4.4 and above, IOS 8.0 and above
10. Motor: built-in, vibration reminder
11. Supports Bluetooth calls, weather display, heart rate detection, blood pressure detection, blood oxygen detection, and all-day heart rate detection
12. Supports incoming call notifications, message reminders, multi-language push notifications, alarm clock reminders, remote photography, and sedentary reminders.