Fangrui Product Details 1. 4 Inch 800x480p Car Radio Receiver Mp5 Player, Support Fm & Bluetooth & Sd Card With Remote Control 2. Radio 3. U Disk Sd Card (audiovideopictures) 4. Bluetooth Function 5. Rca Audio Output Can Be Connected To A Subwoofer 6. Rear View Function When Reversing 7. Aux Input Function 8. Video Input Function 9. Compatible Car Steering Wheel Learning Function 10. Mobile Phone Interconnection Android Autoapple Carplay 11. Colorful Lighting Function 12. Rear Usb Function 13. Usb Charging Port 14. Power Supply Reverse Polarity Protection Function 15. External Wheat Head Function 16. Specifications 17. System: Quanzhi Melis System 18. Software Solution: F133 19. Radio Frequency: Fm 87.5~108.0mhz 20. Radio Ic: Qn8035 21. Power Amplifier Ic: Cd7388cz 22. Output Power: 60wx4 23. Working Voltage: 12~14.4v 24. Working Temperature: -10~60 Degrees Celsius 25. Bluetooth Version: Version 5.1 (default Name: Carkit) 26. Display Resolution: 800x480 27. Screen Size: 4-inch Resistive Touch Screen 28. Front And Rear Usb: 2 Front Usb Interfaces (one Charging And One Usb 2.0 Reading) + 1 Rear Usb 2.0 Reading 29. Rca Parameters: 30. Audio Output: 2 Channels (left Channel + Right Channel) 31. Video Output: 2 Channels 32. Audio Input: Front Aux Input 33. Video Input: 1 Channel 34. Reversing Video Input: 1 Channel 35. Audio Format: Mp3aacapeoggm4arawav 36. Video Format: H263h264h265divx Hd(720p 1080i 1080p)aviflvmkvmpegmp4wmv9vcasftsqt 37. Image Format: Jpegpngbmpgiftiff 38. Languages: English, Chinese, Spanish, Portuguese, Russian, German, French, Polish, Turkish, Arabic, Hebrew, Italian, Czech, Japanese (less Languages Require Software Update)