[HK Warehouse] DOOGEE DG Band, 1.05 inch LCD Color Screen, 5ATM Waterproof, Support 5-7 Days Endurance & 14 Exercise Modes & Heart Rate Monitoring & Blood Oxygen Measurement(Black)

1. Waterproof rating: 5ATM
2. Screen size: 1.05 inches
3. Screen type: TFT-LCD
4. Screen cover: 2.5D glass
5. Battery life: 5-7 days
6. Bottom shell material: PC + ABS
7. Wristband material: TPU
8. Bare metal weight (including strap): 26g
9. Watch size: 44x37x10.9mm
10. Packing size: 20.5x12.8x56mm
11. MCU: Nordic nRF52840
12. Three-axis sensor: STK8321
13. PPG heart rate sensor: PAH8009
14. Touch chip: Sea Oak 716S
15. Screen resolution: 120x240
16. Flash memory: 64MB
17. Bluetooth: 5.0
18. Working voltage: 3.8V
19. Battery capacity: 110 mAh
20. Battery type: lithium polymer
21. Charging method: USB charging
22. Charging time: less than 2 hours
23. System: iOS 8.0+ / Android4.4+
24. Support languages (regular): English, German, Italian, French, Spanish, Japanese, Russian, Portuguese
25. Fonts: English, German, Italian, French, Spanish, Japanese, Russian, Portuguese
26. Working temperature: -20 to 50 degrees Celsius