SPOVAN H6 1.83 inch TFT Screen Smart Watch Supports Bluetooth CallBlood Oxygen Monitoring 1. Material: ABS+PC 2. Screen: 1.83 inch TFT screen 3. Resolution: 240x285 4. Charging method: Magnetic charging 5. Charging time: 2.5h 6. Working voltage: 3.8V 7. Battery capacity: 300mAh 8. Standby time: 20-30 days 9. Battery life: 5-7 days 10. Supported versions: Android 4.4 and above and iOS 8.0 and above 11. Bluetooth version: 5.3 12. Support Bluetooth calls, heart rate detection, blood oxygen monitoring, ECG monitoring, body surface temperature monitoring, pressure monitoring, exercise tracking 13. Support Chinese, English, German, Italian, French, Spanish, Japanese, Russian, Portuguese and other 16 languages 14. The APP has more than 100 built-in multi-dials, alarm clock reminder, call reminder, weather, walking reminder, breathing training, stopwatch, timer, find mobile phone, do not disturb mode, women's health; calculator, event reminder