Fangrui Product Details 1. Hw28 1.39-inch Ip67 Waterproof Health Monitoring Bluetooth Call Smart Watch With Nfc Payment 2. Main Control Chip: Hs6621pg 3. System Requirements: Android5.0+ Ios10.0+ 4. Call Bluetooth: Ab5376a2 5. Heart Rate Chip: Hrs3300 6. Bracelet Memory: 128m 7. Screen Display: 1.39-inch-round Screen-tft, Resolution 360x360 8. Bluetooth Version: 5.2 9. Battery Capacity: 300mah 10. Standby Time: 60 Days 11. Usage Time: About 7 Days 12. Button Mode: Full-screen Touch 13. Charging Port: Wireless Charger 14. Waterproof Level: Ip67 15. Sensor: G-sensor 3-axis 16. Local Dial: 5 17. Dial Market: 50+ 18. Menu Style: 5 19. App: Wearfit Pro 20. Ui Language: Simplified Chinese, Traditional Chinese, English, French, German, Japanese, Spanish, Italian, Russian, Portuguese, Turkish, Vietnamese, Thai, Arabic, Polish, Dutch, Hebrew, Persian 21. Message Push: Simplified Chinese, Traditional Chinese, English, French, German, Japanese, Spanish, Italian, Russian, Portuguese, Turkish, Vietnamese, Thai, Arabic, Polish, Dutch, Hebrew, Persian 22. App Supported Languages: Simplified Chinese, Traditional Chinese, English, French, German, Japanese, Spanish, Italian, Korean, Russian, Thai, Czech, 23. Portuguese, Indonesian, Arabic, Turkish, Greek, Estonian, Bulgarian, Latvian, Lithuanian, Romanian, Serbian, Slovak 24. Product Net Weight: 62g 25. Packing List: 26. -watch X 1 27. -instruction Manual X 1 28. -charging Cable X 1