Смарт часы и фитнес браслеты Inch

1. Display: 1.85-inch high-definition color screen 2. Chip: GR5515 3. Battery capacity: 230mAh 4. Waterproof grade: IP67 5. Standby time: 15 days 6. Bluetooth version: 5.1 7. Support system: Applicable to iOS8.0 or above, Android4.4 or above 8. Charging time: 2h 9. Material: tempered glass/zinc alloy/TPU 10. Built-in a variety of sports modes, free to change as you like. 11. Built-in NFC access control system, easy travel, unimpeded. 12. Built-in a variety of custom dials, unlimited creativity. 13. Incoming call message reminder, no need to check it on your mobile phone. 14. Support playing operation music on the watch 15. 24-hour intelligent heart rate monitoring, blood pressure monitoring,