The AT600 is a multifunctional car kit for iPod nano, just plug it into the cigarette socket, put your iPod nano into the protective skin case included and then slide into the holder, select the frequency on the AT600, and turn your car stereo to the same FM frequency.
Then you can listen to the music through the car stereo wirelessly.
For your conveinence, the cigarette lighter is detachable and can be replaceable, the blue background light lets you adjust the frequency easily in the dark.
Charge your iPod nano simultaneously while listening to the music through the car stereo.

Specification:

• Operation Voltage; 12V
• Function range; 3 meters.
• Frequency response; 15Hz - 20KHz.
• Adjustable freqency; 88.1MHz - 107.9MHz (skip 200kHZ/step)
• Operation temperature; -20°C - 70°C
• Transmit Power <0dBm