1. Main control chip: ASR3603C2. Operating system: RTOS 32 bit 3. Main frequency: 832MHz 4. Architecture: One-core ARM Cortex-R5 processor 5. Number of cores: single core 6. Motherboard memory: 128. Mb+128. Mb 7. Operation method: touch + 1 function button 8. Charging method: Micro 5PIN USB charging cable 9. Charging output: 5V/300mA (the product does not come with a charger)10. Standby mode: single card 11. External screen touch: capacitive single-point touch 12. External screen material: curved glass 13. Screen size: 1.44-inch square color screen 14. Resolution: 128x 12815. Camera: single camera, 80,000 pixels 16. Speaker: 0916 welding wire 17. Mike: 4015 welding wire 18. Network support: Support LTE B1, B3, B5, B8, B38, B39, B40, B4119. Card insertion method: Nano-SIM small card, chip facing up (with card tray)20. Positioning system: LBS base station positioning + Wi. Fi positioning 21. Positioning accuracy: LBS base station positioning accuracy: 100-1000 meters, Wi. Fi positioning accuracy: 10-100 meters 22. Supported standards: GSM\LTE23. Frequency band: FDD: B1 B3 B5 B8, GSM: Band B3\B824. Watch functions: address book, video call, dialing, camera, photo album, micro chat, language switching, binding information, crazy speed learning, alarm clock, stopwatch, flashlight, calculator, settings. Smart reminder: SOS emergency call reminder, SOS text message reminder, low battery text message reminder 25. Intelligent reminders: SOS emergency call reminder, SOS SMS reminder, low battery SMS reminder 26. APP functions: phone book, intercom, making calls, step counting, alarm clock, location, information center, love rewards, video calls, SOS reminders, work mode, family members, class mode, SMS reminders, looking for watches , phone book, switch settings, language, time zone, receiving watch text messages, rejecting unknown calls, remote shutdown, remote restart, device reset 27. Supported languages: Simplified Chinese, English, French, Spanish, Thai, Turkish, Italian, Vietnamese, German, Polish, Greek, Russian, Arabic, Czech, Hebrew 28. Support mobile phone systems: Android 5.0 and above; iOS 9.0 and above 29. Battery capacity: 680m. Ah polymer lithium ion 30. Charging time: about 4 hours 31. Standby time: about 4-6 days (standby environment: fully charged, card turned on, network and signal stable, positioning once every 4 hours)32. Waterproof level: daily waterproof 33. Dimensions: 236 x 41.1 x 17.2mm 34. Net weight: 45 grams