1. Perfect CD quality Sound(Not FM modulated)
2. Control iPod/iphone through radio panel  or steering wheel
3. Automatic pause when switching to FM, AM, CD, or TAPE/MD
4. Charge iPod/iphone while connected
5.  Support 1/8'' stereo jack auxiliary input
6. Support iPod mini, iPod nano, iPod photo, iPod video, iPod classic, iPod touch, iPhone, iphone 3G 
7. Compatible with BMW, Audi, Volkswagen, Skoda, Seat, Peugeot, Citroen, Ford, Fiat,Alfa, Mazda, Toyota, Honda, Nissan, Hyundai, Chrysler, Jeep, Dodge, Suzuki, Sony, Alpine (M-bus & Ai-net), Clarion, Pioneer, Sanyo, Blaupunkt