1.Wireless audio transmission is perfect    
2.Super thin design                                       
3.Cigarette lighter power supply model 
4.Charging your iPhone while synced  
5.supports protable all iPhone ,iPod MP4 and MP3 Player.ect.
6.LED Screen on cigrette lighter adaptor
7.With USB(5V,1A) output chaging for Mobile phones ,GPS and other devices                                                                  
8.Full frequency:88.1-107.9MHZ   
9. It can be random circumrotate 180 degree to help you find good positon for devices