Mini Amplifier 1,Standard Car Audio with USB MP3 2,Standard interface for most vehicles. 3,Function of remote contro Standard Car Audio with USB MP3 Standard interface for most vehicles. On-board USB MP3 socket . Model Number:HY1005For 12V and 24V system , with on board USB MP3 driver, ready to use.Extremely convenient ,the Mp3 driver can be used has USB driver, Easy download.Function of remote ...