1. Main control chip: RLC8752 2. Waterproof level: IP67 3. Compatible system: Android 4.4 and above, iOS 8.2 and above 4. Screen: 0.96 inches high-definition TFT color screen, resolution: 80*160 5. Bluetooth: 4.2BLE (low power consumption) 6. Battery capacity: 90mAh 7. Charging method: magnetic charging 8. Charging time: about 2H 9. Battery life: 5-10 days of use, 20-30 days of standby (the specific time depends on the frequency of personal use and the frequency of pushing content) 10. Data storage: 3 months 11. The wristband supports languages: Chinese, English, Korean, Japanese, German, Spanish, French, Italian, Portuguese, Arabic, Russian, Dutch, Hindi, Polish 12. App supported languages: Chinese, Russian, Turkish, German, Italian, Japanese, French, Polish, Traditional, English, Dutch, Portuguese, Spanish, Arabic, Korean 13. Appearance material: face shell: PC+UV, bottom shell: PC+ABS, wrist strap: environmental protection TPU 14. Functions: body temperature monitoring, multi-sports modes (running, cycling, swimming, badminton), heart rate monitoring, blood pressure monitoring, blood oxygen monitoring, sleep monitoring, step counting, calories, distance, call reminder, alarm reminder, shake photo , Sedentary reminder, etc. 15. Size: 23.5x20.5x11mm 16. Weight: 19.8g