Ochstin 5H80 1.69 inch Square Screen Silicone Strap Heart Rate Blood Oxygen Monitoring Bluetooth Smart Watch(Lake Blue)

1. Screen size: 1.69 inch display
2. Resolution: 240x280
3. Battery capacity: 180mAh
4. Waterproof grade: IP67
5. Strap: Silicone
6. System: Android4.4 and above / ios9.0 and above
7. Bluetooth: 5.0
8. Charging method: USB dedicated charging cable
9. Battery life: 30 days in standby, about 7 days in use
10. Charging time: about 2h
11. Support Simplified Chinese, Traditional Chinese, English, French, Russian, Indonesian, German, Italian, Czech, Japanese, Polish, Portuguese, Spanish, Arabic, Korean, Dutch, Hindi multi-lingual.
12. Support custom dial, weather forecast, step counting, heart rate, sleep, sedentary, mileage, blood oxygen, blood pressure, search, calories, Bluetooth, message push and other functions.