GoGroove AudioFlip Portable Music Docking System with Full Functional Remote for Apple iPhone 3G, 3Gs / iPod / Touch / Nano / Classic Is sleek, rugged, and ultra portable iPod Will bring your mobile music experience to new heights Has a built-in amplifier that enhances your music Has 3.5mm Audio-In Jack for plugging in all types of amplified sound devices Allows you to set-up and take down your AudioFlip