1.car mp3 player fm transmitter usb 2.digital remote controller 3.fully movable joint 4.readsd/MMC SD card/USB directly 1Rotary joint design.2Built-in FM wireless transmitter, total 206 frequencies . 87.5MHz ~ 108.0MHz,3LED Screen Displays4Automatically plays MP3 format music 5Support 18 language.6Support 5 EQ modes(nature, rock, soft, jazz, SRS)7With Remembrance of Last Runing Status8Draws power ...