K56Pro 1.39 Inch Heart Rate/Blood Pressure/Blood Oxygen Monitoring Smart Calling Watch(Black)

1. Material: zinc alloy, TPU, electronic components 2. Functions: video entertainment, heart rate monitoring, blood pressure measurement, sleep monitoring, blood oxygen detection, multiple sports modes, smart reminder, positioning, alarm clock, step counting, mobile phone camera 3. Applicable languages: English, Chinese, Japanese, German, French, Spanish, Arabic, Russian, Ukrainian, Portuguese 4. Applicable system: Android 4.4 and above, IOS 8.0 and above 5. Bluetooth version: 4.0/5.0 6. Screen size: 1.39 inches 7. Screen resolution: 360 x 360 8. Screen type: IPS screen 9. Body memory: FLASH 128MB 10. Battery capacity: 400mAh 11. Working time: about 5-10 days 12. Standby time: about 30 days 13. Operation mode: touch + button 14. Charging method: Magnetic charging 15. Dimensions: Dial: 4.7 x 1.39 cm, Wristband: 22 cm 16. Product net weight: about 50 grams