The KDC-MP435U is also iPod ready, satellite radio, and HD Radio ready for even more listening choices (all sold separately). A front-mounted high-speed USB 2.0 port allows you to listen to mp3s using any USB thumb drive or mass storage device (not all devices are compatible). Use Kenwood's Music Editor to edit music data on your PC and then transfer the files to your car via USB. Or add the KAC-iP200A and gain complete control over your 5G or nano iPod! Take this hot radio to the next level and turn it into an interactive cell phone interface! Add Kenwoods's KCA-BT100 and you can make take and make phone calls directly through your car stereo! Other features include a switchable rear/non-fading preamp output with crossover for adding an amplifier, detachable faceplate, loudness control, high power amplifier, and one-touch mute function. A rear auxiliary input jack makes it easy to add a portable audio source. Comes complete with a wireless remote.