X10 Headphones Smart Watch 1.39 inch Waterproof Bracelet, Support Bluetooth Call NFC Heart Rate 1. Bluetooth version: Cell phone bluetooth 5.0, Data storage bluetooth 4.0 2. Battery capacity of charging bin: 240mAh polymer battery 3. Headphone battery capacity: 25mAh polymer battery 4. Charging box function:The main body can charge the earphone for 2-3 cycles time 5. Life time:8-12 days 6. Music time: 3.5 hours 7. Charging method: Magnetic charge 8. Charging time: 1-2 hours 9. Main chip: 8762D 10. TWS chip: 8926B2 11. Heart rate chip: HX3605 12. Screen: 1.39 inch 13. Resolution: 360x360 14. Waterproof and dustproof: IP67 15. Memory: 192KB RAM+1024KB ROM+128MB UI-Flash 16. Control mode: Touch display 17. Vibration: Real- time vibr ation reminder 18. Main shell material: Glass lens + zinc aluminum alloy 19. Compatible systems: Android 4.4 and above; ios 8.0 and above 20. APP: FitCloudPro 21. Package list: Charging line, instruction manual, complete machine Function Parameters: 1. Features: Bluetooth call, full touch, heart rate, shake and take photos, call reminder rejection, information storage, Multi Sport mode,weather, NFC 2. Major function: Multi language, information alert, alarm clock, bracelet, health monitoring, Exercise records (pedometer, calories, mileage), Time, week, date 3. Information reminder: SMS, QQ, WeChat, Skype, Facebook, Twitter, WhatsApp, Line,Viber 4. APP language: English, Chinese Simplified, Chinese Traditional, German, French, Arabic, Czech, Greek, Spanish, Japanese, Persian, Italian, Korean, Dutch, Polish, Portuguese, Russian, Finnish , Swedish, Thai, Hungarian, Slovak, Croatian, Albanian, Turkish, Ukrainian, Hindi 26 languages 5. Watch anguage: English, German, French, Arabic, Czech, Greek, Spanish, Persian, Italian, Dutch, Polish, Russian, Finnish , Swedish, Thai, Hungarian, Slovak, Croatian, Albanian, Turkish, Ukrainian, Hindi 22 languages Earphone touch button function: 1. 4 times of keystrokes before pairing - Chinese and English swi