1. Display size: 1.6 inch IPS (HD color screen) 2. Resolution: 320*320 3. Bracelet battery capacity: 412123 3.7V/200mAh 4. Bracelet BLE chip: HS6621 5. Heart rate and blood pressure chip: SC7R30 6. Sensor: 3-axis 7. Bluetooth version: 5.2 8. Charging method: Micro USB 9. Charging time: 1.5 hours 10. Battery life: 3 hours of talk time / 7 days of normal use / 15 days of standby 11. Waterproof rating: IP67 12. System requirements: Android 5.0 and above /IOS10.0 and above 13. Firmware language: Chinese, English, Arabic, French, German, Spanish, Portuguese, Russian, Thai, Polish, Italian, Japanese, Traditional, Czech, Turkish, Greek, Latin, Romanian, Vietnamese, Danish 14. Message push language: Chinese, English, Arabic, French, German, Spanish, Portuguese, Russian, Thai, Polish, Italian, Japanese, Traditional, Czech, Turkish, Greek, Latin, Romanian, Vietnamese, Danish 15. App languages: Simplified Chinese, Traditional Chinese, English, French, German, Japanese, Spanish, Italian, Korean, Russian, Thai, Czech, Portuguese, Indonesian, Arabic, Turkish, Greek, Estonian, Bulgarian, Latvian, Lithuanian, Romanian, Serbian, Slovak 16. Functions: 24-hour accurate heart rate detection, blood pressure monitoring, blood oxygen monitoring, exercise monitoring, mileage, calorie consumption, message reminder, sleep record, message reminder, remote control camera
