MX7 1.69 inch IPS Touch Screen IP68 Waterproof Smart Watch, Support Sleep Monitoring Heart Rate Monitoring Bluetooth Call Body Temperature Monitoring 1. Screen: 1.69 inch IPS full touch screen, resolution: 240*280 2. Battery: 230mAh polymer lithium battery 3. Use time: 3-5 days 4. Standby time: 30 days 5. CPU: HS6621 6. PPG heart rate: Tianyi Hexin 3300 7. Bluetooth call: Zhongke Lanxun BT8858 8. UI storage flash: 128MBT 9. G-sensor: 3-axis SC7A20 10. Bluetooth: dual Bluetooth 5.0, 3.0 11. System version support: Android 5.1 and above, Apple 8.0 and above 12. Bluetooth distance of connecting mobile phone: 10-15 meters 13. Charging method: magnetic type 14. Waterproof rating: IP68 15. APP interface supports languages: Chinese, Traditional Chinese, English, French, German, Japanese, Spanish, Italian, Russian, Czech, Portuguese, Turkish, Greek, Vietnamese, Thai, Arabic, Polish Languages, Dutch, Danish, Latin, Romanian 16. Support language for push notification on bracelet: Chinese, Traditional Chinese, English, French, German, Japanese, Spanish, Italian, Russian, Czech, Portuguese, Turkish, Greek, Vietnamese, Thai, Arabic , Polish, Dutch, Danish, Latin, Romanian 17. The bracelet UI supports languages: Chinese, Traditional Chinese, English, French, German, Japanese, Spanish, Italian, Russian, Czech, Portuguese, Turkish, Greek, Vietnamese, Thai, Arabic, Polish, Dutch, Danish, Latin, Romanian 18. Functions: heart rate, blood pressure, blood oxygen, sleep monitoring, mett test, breathing training, stress test, health data recording, step counting, calories, distance, support for multiple sports (biking, swimming, running, mountaineering, and walking ) 13 kinds of sports, message reminder, call reminder, text message reminder, sedentary reminder, drinking reminder, weather, calculator, stopwatch, countdown, alarm clock, shake photo, music control, password lock screen, family health sharing, Bluetooth Calls, local music playback, body temperature monitoring, connection to ears to listen to music, etc. 19. Body size: 43.1x37.3x9.8mm 20. Watch weig