1. CPU: MTK6762 Quad core 2.0GHZ 2. Memory: Operating memory: 4GB + Storage memory: 64GB 3. SIM card: Nano SIM 4. Call: independent standby, 4G call 5. Supported frequency bands: GSM: B2(1900), B3(1800)B5(850)B8(900); WCDMA: B1(2100)B5(850)B2(1900); LTE-FDD:B1(2100)B2( 1900)B3(1800)B5(850)B7(2600)B8(900)B12(700)B17(700)B20(800);LTE-TDD:B38(2600MHZ),B39(1900)B40(2300)B41( 2500) 6. Touch screen: 1.69-inch IPS high-definition round screen, 450*450 resolution 7. Camera (front): 8 million pixels 8. Camera (main camera): 13 million pixels (supports self-focusing) 9. Bluetooth: 5.0 10. WIFI: 802.11 a/b/g/n 11. GPS: GPS+GLONASS 12. Data interface: POGO PIN+magnetic wire 13. Battery: 1600mAh 14. Standby time: 72 hours 15. Music playback: 6 hours 16. Talk time: 4 hours 17. Waterproof grade: 5ATM waterproof/IP68 waterproof 18. OS: Android 10 19. Supported languages: Chinese (Simplified), Chinese (Traditional), English, French, German, Spanish, Italian, Portuguese, Japanese, Korean, Russian, Turkish, Bengali, Greek, Hebrew , Indonesian, Persian, Polish, Thai, Vietnamese, Norwegian, Ukrainian, Burmese, Dutch, Arabic 20. Function: Scan QR code to connect, enable remote shooting, music control, send files, find mobile phone, heart rate monitoring, sports, weather, voice search, play store, map, mobile assistant, APP market, system optimization, music, voice recorder , File Management, Sports Mode, Contacts, Phone, Messages, Settings, Browser, Downloads, Calendar, Clock, Camera, Gallery, etc. 21. Compatible system: support IOS 11.0 and above system version, support Android original operating system 6.0 and above version 22. Smart watch size: 54x18.5mm 23. Strap: 22mm width, total length 267mm, adjustment range 150-235mm 24. Weight: 92g