1. Bluetooth Version: 5.0
2. Main Control Chip: Realtek8763EWE-VP
3. Memory: Flash 128MB
4. Battery Capacity: 380mAh
5. Standby Time: About 30 days
6. Working Time: About 5-10 days
7. Compatible with smartphone systems: Android 4.4 or IOS 8.0 or above systems, supports Bluetooth 5.0
8. 1.96-inch AMOLED square screen
9. Easy to replace strap, standard 22mm
10. Numerous watch faces available, customizable watch faces
11. Bluetooth calling/Bluetooth music (ultra-clear sound quality), weather display
12. Heart rate monitoring, blood pressure monitoring, blood oxygen monitoring, 24-hour heart rate monitoring, sleep monitoring
13. Time display, pedometer, compass, calories, distance, heart rate, blood pressure, blood oxygen, sleep time, power on/off display, stopwatch, multiple sports modes
14. Incoming call notifications, message reminders, multi-language notifications, alarm reminders, remote photo taking, sedentary reminders
15. Wristband Languages: English, Chinese, Japanese, German, French, Spanish, Arabic, Russian, Ukrainian, Portuguese