... "LINE IN",can enjoy the music from mobile phone,MP3,MP4,PC,IPOD and other audio devices,no need to shift ... ,signal suport/MP3(SD/U disk)/FM direct switch2,Built-large-capacity lithium batteries3,support USB,SD,MMC card mp3 player songs.4,LED ... supply7,remote control functions.8,support radio functions.9.With FM radio, U disk and SD card read, radio frequency and songs can be displayed ...