1. Material: alloy, TPU, electronic components 2. Functions: video entertainment, photography, step counting, heart rate monitoring, blood pressure measurement, social entertainment, Bluetooth calling, smart reminder, remote selfie, sleep monitoring, blood oxygen detection, information push, sports tracking 3. Menu language: Simplified Chinese, Traditional Chinese, English, German, French, Spanish, Korean, Japanese, Russian, Ukrainian, Arabic, Portuguese, Italian 4. Compatible system: Android, IOS 5. Screen size: 1.81 inches (TFT color screen) 6. Screen resolution: 320 x 385px 7. Bluetooth version: 5.0 8. Wireless distance: 5-10m (inclusive) 9. Body memory: 128MB 10. Wearing method: wristband 11. Battery capacity: 230mAh lithium battery 3.7V 12. Charging method: magnetic charging 13. Charging time: about 2 hours 14. Working hours: 5-7 days 15. Standby time: about 30 days 16. Operation mode: touch + button 17. Waterproof grade: IP68 18. Magnetic fast charging, more convenient to use, fast full charge 19. LED light sensor design on the back of the watch, real-time detection of blood pressure, heart rate, blood oxygen 20. Dial size: 45 x 35 x 11mm