Car MP4 Player

Many are being built with auxiliary jacks for the stock radio, allowing the driver to easily connect any audio playing device to the car's sound system with a simple 3.5mm plug. What's more, cars in the upper price echelon are being built with a custom made area in the dash for MP4 players. Plug the cable from an FM transmitter into your portable MP4 player. Then tune your car's FM radio to the right frequency and listen to your Car Carries MP4s. Car MP4 Player with FM Transmitter Function, Wireless Audio transmission.