Y9 Pro 1.85 inch Color Screen Smart Watch with Heart Rate and Blood Pressure MonitoringAbout Product 1. Battery capacity: 280mAh 2. Bluetooth version: Bluetooth 4.0 3. Charging method: Magnetic charging 4. Waterproof rating: IP67 5. Resolution: 240x280 6. Compatible systems: Android 5.0 or above, iOS 9.0 or above 7. App: H Band 8. Standby time: Up to 20 days 9. Usage time: Up to 5 days 10. Watch supported languages: English, Russian, German, French, Spanish, Portuguese, Italian, Dutch, Japanese, Korean, Arabic, Polish, Czech, Indonesian, Hindi, Simplified Chinese, Traditional Chinese 11. App supported languages: English, Russian, German, French, Spanish, Portuguese, Italian, Japanese, Korean, Arabic, Polish, Czech, Indonesian, Simplified Chinese, Traditional Chinese Functions 1. Heart rate monitoring, blood pressure monitoring, blood oxygen monitoring 2. Step count, distance tracking, calorie tracking 3. Sleep monitoring (sleep duration, sleep quality) 4. Bluetooth calling, breathing training, multiple sport modes, wrist raise to wake screen 5. Message notifications for social apps: SMS, WeChat, QQ, Facebook, Twitter, WhatsApp, Line, Instagram, Kakaotalk, Skype, Snapchat, Gmail, Telegram 6. Alarm alerts, call reminders, sedentary reminders, music control, female menstrual cycle tracking 7. Calendar, timer, weather forecast, stopwatch, remote camera control, screen brightness adjustment, find phone, find watch