people who can listen to music while connected to the car are called car players and car TVs, and this line is called audio line or car audio line.

expansion: car player: this is a car music player software, and the car music player is designed to minimize risks and distractions while driving. Take extra media devices aside and use your mobile phone music player. The audio jack output is connected to your car radio system and plays music stored in the memory card of your mobile phone.

the video formats played in the car include DAT format, MPEG format, AVI format, WMV format, VOB format, RM format and RMVB format. These formats include DAT, MPEG, AVI, WMV, VOB, and DVD formats: VOB format, RM format and RMVB format. If you can't find these formats to download, you need to convert your RMVB file with video conversion software, so that it can be used in the car.