Zeblaze GTR 1.3 inch IPS Color Screen Bluetooth 5.1 30m Waterproof Smart Watch Support Sleep Monitor / Heart Rate Monitor / Women Menstrual Cycle Reminder / Sports Mode(Gold)

1. Bluetooth version: 5.12. Chip: Goodix GR55153. Waterproof: 30 meters4. Screen size: 1.3 inches5. Screen type: 2.5D glass + IPS full circle color touch screen6. Compatible operating system: Android 4.4 / iOS 9.0 and above7. Message push language: Chinese Japanese Korean Latin Cyrillic; Latin includes: (English French Spanish Portuguese German Dutch Vietnamese Northern Europe Central Europe Southern European Italian Southeast Asia Africa); Siri Irvine includes: (Russia Eastern Europe Asia) covering 150 countries8. Sensors: heart rate sensor proximity sensor accelerometer9. Battery type: lithium polymer battery10. Battery capacity: 180 mA11. Standby time: 30 days (power saving scenario); 18 days (typical use scenario)12. Charging time: about 1.5 hours13. Material: metal+2.5D glass+silicone14. Function: All-day heart rate monitoring (abnormal heart rate alarm) blood pressure monitoring 10 goal-based exercises female cycle tracker sleep quality monitoring step tr