C90 IP67 Waterproof 1.69 inches Smart Watch, Supports Video Calls

1. Model: C90
2. Dimensions: 255mm x 42mm x 15.6mm
3. Main Control Chip: C36DL Chip ASR3601E
4. Operating System: RTOS 32-bit
5. Clock Speed: 832MHz
6. Number of Cores: Single Core
7. Motherboard Memory: 128Mb + 128Mb
8. Operation Method: Touch + 1 Function Button
9. Charging Method: USB Charging Cable
10. Output: 5V/300mA (Charger not included)
11. Standby Mode: Single SIM
12. Waterproof Rating: IP67 (Splash-proof)
13. External Screen: Capacitive Single-Point Touchscreen; Material: Curved Glass
14. Internal Screen: 1.69-inch Square Color Screen; Resolution: 240x280
15. Battery: Polymer Lithium-ion
16. Battery Capacity: 500mAh
17. Charging time: Approx. 4 hours
18. Standby time: Approx. 3-4 days (Standby conditions: fully charged, SIM card inserted and powered on, stable network and signal, location tracking approximately every 4 hours)
19. Material: ABS plastic front/back cover; silicone strap
20. Flashlight: None
21. Camera: Single camera, 300,000 pixels
22. Network support: Supports LTE B1, B3, B5, B8, B38, B39, B40, B41
23. Positioning system: LBS base station positioning + WiFi positioning
24. Supported mobile phone systems: Android 5.0 and above; iOS 9.0 and above
25. Watch software languages: Simplified Chinese, English, Portuguese, Spanish, German, Turkish, Vietnamese, Russian, French, Italian, Dutch, Polish, Thai, Czech, Serbian, Hungarian, Slovak, Ukrainian

Main Functions:
1. Watch App Functions: Heart rate monitoring, contacts, video call, dialer, camera, photo album, WeChat, language switching, information binding, quick learning, alarm clock, stopwatch, flashlight, calculator, settings
2. Smart Reminders: SOS emergency call reminder, SOS SMS reminder, low battery SMS reminder
3. Settings: Watch face change, volume, display, time and date, sleep mode, VoLTE on/off, language, power off, about device