1.Support SD card or USB flash disk

2.Read MP3 music file format

3.Built-in FM transmitter,MIC and support full frequency range:87.5-108.0MHz

4.Both unit and remote controller function:choose frequency/stop

/play/volume/previous/next/answer/hang up

5.Both unit and remote controller function:choose frequency/stop

/play/volume/previous/next/answer/hang up

6.Can memorize song,frequency and volume when power off

7.Line-in connector for audio players

8.Automatically play music from SD card or USB flash disk

9.Digital transmitting technology can keep from the outside

 Disturbance

10.DC12V power supply from car charger