ZX19 1.45 inch HD Screen Bluetooth 5.0 IP68 Waterproof Women Smart Watch, Support Sleep Monitor / Menstrual Cycle Reminder / Heart Rate Monitor / Blood Oxygen Monitoring, Style: Steel Strap, Steel Strap(Silver), Steel Strap(Gold) Color:Gold Number of cycles: about 5

Number of cycles: about 5 times

female assistant

Battery capacity: 160MAH

skin-friendly and more breathable

Screen resolution: 320*320

ZX19 1.45 inch HD Screen Bluetooth 5.0 IP68 Waterproof Women Smart Watch, Support Sleep Monitor / Menstrual Cycle Reminder / Heart Rate Monitor / Blood Oxygen Monitoring, Style: Steel Strap, Steel Strap(Silver), Steel Strap(Gold) Color:Gold Number of cycles: about 51. Material: alloy face shell + IML bottom shell + metal strap 2. Motherboard: NRF52832 3. Memory: 512KB+64KB (Flash 64M) 4. System requirements: Android 5. 0 and above, IOS 10. 0 and above 5. Charging head specifications: charging 1A or less 6. Charging time: 2H 7. Bluetooth version: Bluetooth 5. 0 8. Screen display: 1. 45 inches, resolution: 172*320 9. Battery capacity: 160 mA 10. Standby time: 30 days 11. Working time: 5 7 days 12. Waterproof