1. Material: aluminum alloy, silicone, electronic components 2. Functions: video entertainment, heart rate monitoring, blood pressure measurement, sleep monitoring, blood oxygen detection, multiple sports modes, Bluetooth calling, smart reminder, stopwatch, alarm clock, step counting 3. Applicable languages: Simplified Chinese, English, French, German, Spanish, Italian, Russian, Czech, Portuguese, Turkish, Greek, Latin, Vietnamese, Danish, Polish, Dutch, Romanian language, Arabic 4. Applicable system: Android 5.0 and above, IOS 9.0 and above 5. Bluetooth version: 4.0 6. Screen size: 1.28 inches 7. Screen resolution: 240 x 240 8. Screen type: TFT screen 9. Body memory: 64MB 10. Battery capacity: 220mAh 11. Standby time: about 15 days 12. Operation mode: touch + button 13. Charging method: magnetic charging 14. Waterproof grade: IP67
