Perfect for enjoying your music with friends and family from iPod or other portable audio devices in your Car without noise interference. It works with your MP3, CD, or cassette player, and with your PC or laptop to deliver high-quality soundon the road anywhere you go. The Adapter reduces noise by automatically maintaining the correct tension within the cassette deck as you drive, so you get an outstanding performance. Advantages: 1) No noise and no FM radio frequency interference 2) Fits front- and side-loading cassette players 3) Allows easy placement of your audio player with 4ft cable 4) Plugs into your iPod, MP3, CD, cassette player, PC, or laptop 5) Features inner-magnetic and shake-resistant design How to use? Simply plug the 3.5mm jack plug into your iPod or CD player, put the cassette into the car radio cassette and enjoy through your car stereo. Specifications: 1) Plastic: ABS 2) Magnetic Head: 2CH or 4CH stereo 3) Straight cable length: 1200MM 4) Headphone jack: 3.5mm 5) PE bag and blister package alternative 6) Color card printed instruction, etc. If blister package used The features of this product can be also designed and made as per customer's requirements.