1.Simultaneously charges your ipod using your car's DC power source (cigarette outlet). 2.Transmits ipod tunes through any available FM Radio frequency(FM88.1?07.9 MHZ). 3.Excellent PLL wireless technology enhance noise reduction and stereo separation. 4.Precise and attractive appearance that makes you have an extra experience in using it. 5.Ten-programmable station preset for convenient recall of clearest channel. 6.Automatically transmits on the last used channel when ipod begin to play and turn off if more than 30 seconds no signal imput.