For iPod MP3 MP4 Phone CD Player Auto Car Audio Cassette Tape Adapter pple iPod, iPhone, or iPad are registered trademarks of Apple, Inc. Products are Apple compatible and not endorsed by Apple, Inc. Compatible With Apple: iPhone 1st Gen/16GB/4GB/8GB,iPhone 3G 16GB/8GB,iPhone 3GS 16GB/32GB,iPod 1st Gen/10GB/5GB Now whether you are going down the block or cross-country, you will have plenty of music for the whole trip with this adapter. Connect your CD Player/Minidisk Player/iPod to your car stereo through your car's in-dash cassette player. Cassette-shaped Interface inserts into your car's tape deck. Mini-plug inserts into your iPod/CD Player/Minidisk Player headphone jack. 40" cord so you can rest your Player/iPod where you want it. Adapter: 3.5mm audio adapter. Color: Black. Suggested Applications: iPhone 3Gs 16GB/32GB decks that make you insert the cassette with the tape opening facing the side/Apple iPhone 4 16GB/32GB.