Fangrui Product Details 1. S6 Tws Earphone 1.91 Inch Smart Bracelet Support Bluetooth Call Health Monitoring 2. Functions: Bluetooth Call, Full Touch, Heart Rate Monitoring, Shake To Take Pictures, Call Reminderrejection, Information Storage, Multi-sport Mode, Weather, Information Reminder (sms, Qq, Wechat, Skype, Facebook, Twitter, Whatsapp, Line, Viber), Alarm Clock, Looking For Bracelets, Health Monitoring, Exercise Records, Time 3. App Supports Languages: English, Simplified Chinese, Traditional Chinese, Japanese, Korean, German, French, Russian, Spanish, Italian, Dutch, Polish, Portuguese, Turkish, Vietnamese, Malay, Indonesian, Filipino, Hungarian 4. Watch Languages: English, Simplified Chinese, Traditional Chinese, Japanese, Korean, German, French, Russian, Spanish, Italian, Dutch, Polish, Portuguese, Turkish, Vietnamese, Malay, Indonesian, Filipino Hungarian 5. Bluetooth Version: Mobile Phone Bluetooth 5.2, Data Storage Bluetooth 4.0; 6. Charging Compartment Battery Capacity: 280mah Polymer Lithium Battery 7. Headphone Battery Capacity: 25mah Polymer Lithium Battery 8. Charging Box Function: The Main Body Can Charge The Ear For 3 Cycles 9. Standby Time: 8-12 Days 10. Music Time: 3 Hours 11. Charging Method: Charging By Charging Stand 12. Charging Time: 1-2 Hours 13. Main Chip: Rtl8762d 14. Tws Chip: Bt8926b2 15. Heart Rate Chip: Tianyi Hexin 3300 16. Screen Size: 1.91 Inches 17. Screen Resolution: 240x284 18. Dustproof And Waterproof: Ip67 19. Memory: 192kb Ram+1024kb Rom+128mb Ui-flash 20. Control Method: Touch Screen + Knob Button 21. Vibration: Real-time Vibration Reminder 22. Weight: 57g