Importer520 Tangle Free Flat Wire Car Audio Stereo Auxiliary Aux Cord Cable Adapter for Amazon Kindle Fire HDX - Purple Brand New Product Importer520 is a registered trademark The auxiliary cable features a flat design that prevents tangling. Easy to store, since you can wind it without having to worry about knots or kinks. Approximately 3 Feet long. Male-to-male 3.5mm connectors. Plug and Play. Enable AUX In your car, relax and listen to your favorite playlist. Compatible with any cellphone, tablet, ipod and iphone, ALL MP3 players with a 3.5 mm input. Automobile with "Aux-In" Input.