1. Functions: Custom dial, Bluetooth call/Bluetooth music (ultra-clear sound quality), weather display, heart rate detection, blood pressure detection, blood oxygen detection, all-day heart rate detection, time display, step counting, calories, distance, heart rate, blood pressure , blood oxygen, sleep time, on/off display, stopwatch, multi-sport mode, sleep monitoring (sleep time, sleep quality), electric notification, information reminder, multi-language push, alarm clock reminder, remote camera, sedentary reminder
2. Screen size: 1.39 inch IPS square screen with full viewing angle
3. System requirements: Android 4.4 and above, IOS 8.0 and above, support Bluetooth 5.0
4. Bluetooth version: BLE 5.0
5. Main control chip: Ruiyu 8762DK
6. Memory: 128MB
7. Screen resolution: 360x360
8. Heart rate chip: 3605
9. Speaker chip: 0916
10. Battery capacity: 400mAh large battery, standby time: about 30 days
11. Working time: about 5-10 days
12. Supported languages: English, Chinese, Japanese, German, French, Spanish, Arabic, Russian, Ukrainian, Russian, Portuguese