Specification: Voltage:DC12V System:LINUX CPU Chip: F133 Screen size: 6.86'' screen Screen resolution: 1280*480 Mirror link:Support Radio Band:FM Power output:45W*4 Work temperature: -20~60℃ Bluetooth Version: 5.0 Bluetooth Name:CAR BT Colorful backlight: Support Reversing input: CVBS Radio frequency:87.5-108MHz Audio format:MP3/WMA/WAV/APE/FLAC Video format:RM/RMVB/AVI/MP4/MKV/3GP Picture format: JPG BMP PNG Support 12 Languages This product does not support AUX, please do not buy if you mind. Package Included: 1 x Car MP5 Player 1 x Power Cable 1 x Horn Cable 1 x Remote Control 1 x User manual "Due to customs issues, the remote control does not come with batteries and buyers need to purchase separately. The battery model used in the steering wheel remote control is CR2025."