Fangrui Product Details 1. W5 1.54 Inch Full-fit Screen Dual Cameras Smart Phone Watch, Support Sim Card Gps Tracking Real-time Trajectory Temperature Monitoring, 1gb+16gb 2. Available Memory: 1gb+8gb 3. Main Screen: 1.54 Inches 240*240 Pixels Fully Fit 4. Phone Book Capacity: 200 5. Memory Expansion: Support 32gb 6. Camera: 2 Million Front Dual Cameras, 300,000 Rear 7. Usb Function: 5pin Micro Usb Connector 8. Bluetooth Version: 3.0 9. Call Frequency Band: China Unicom, China Mobile, Telecom (open Volte) 4g Full Netcom 10. Battery Capacity: 1080mah 11. Positioning Method: Gps+wifi+lbs Base Station Positioning 12. Support Mp3 Function, Recording Function, Video Recording Function, Alarm Clock, Real-time Step Counting, Electronic Fence, Real-time Trajectory, Tracking And Positioning, Voice Intercom, Real-time Monitoring, Forbidden Calls From Strangers, Class Schedule, Weather Forecast, Ai Voice Robot, Etc. 13. Size: 40x16.5x260mm 14. Languages: English, Simplified Chinese, Traditional Chinese, Russian, French, German, Spanish, Portuguese, Hebrew, Polish, Greek, Vietnamese, Filipino, Malaysian, Indonesian, Turkish, Italian