X8 1.69 inch IPS Screen Smart Watch TWS Earbuds, Support Bluetooth Call 1. Bluetooth version: mobile phone Bluetooth 5.0, data storage Bluetooth 4.0; 2. Charging case: 250mAh polymer lithium battery 3. Headphone battery capacity: 30mAh polymer lithium battery 4. Standby time: 8-12 days 5. Music time: 3.5 hours 6. Charging method: magnetic charging 7. Charging time: 1-2 hours 8. Main chip: SYD8811 9. TWS chip: 8926B2 10. Heart rate chip: 3300 11. Screen: 1.69 inch 240*280 12. Dustproof and waterproof: IP67 13. Memory: 192KB RAM+1024KB ROM+64MB UI-Flash 14. Control method: touch screen 15. Vibration: real-time vibration reminder 16. Main shell material: glass lens + zinc-aluminum alloy, TPU strap 17. Compatible system: Android 4.4 and above, iOS 8.0 and above 18. APP software: Power Band 19. Features: Bluetooth call, full touch, heart rate, shake to take pictures, call reminderreject, information storage, multi-sport mode, weather 20. Main functions: information reminder, alarm clock, looking for bracelet, health monitoring, exercise record (pedometer, calories, mileage), time, week, date display 21. Information reminder: SMS, QQ, WeChat, Skype, Facebook, Twitter, WhatsApp, Line, Viber 22. APP supports languages: Chinese, Traditional Chinese, English, Japanese, Korean, German, Russian, Spanish, Italian, French, Vietnamese, Portuguese, Arabic, Thai, Polish 23. Watch language: English, German, Russian, Spanish, Italian, French, Vietnamese, Portuguese, Arabic, Thai, Polish 24. Watch net weight: 56g