... Car MP3 Player FM Transmitter built in 512MB,1GB,2GB memory card ,enjoy your music at any place ... a MP3 Player with built-in USB flash memory and FM Transmitter. The MP3 PLAYER firstly reads ... which are stored in its built-in flash memory. Then the FM TRANSMITTER modulates the audio signal ... music. Product Features and Specification Built in 512MB,1GB,2GB flash memory Support MP3 & WMA format. Built-in FM ...