Listen to your favorite music on the jobsite with your Power Box while charging your iPod - without cables, plugs or wires Protected docking case has unique inserts to guard any size iPod from shock and movement More than just a case - it's also dust and weather resistant Attaches within Power Box protective roll cage Dock plugs directly into Power Box's 12-volt auxiliary outlet and 3.5mm input jack Charge iPod without extra wires or plugs Installation is easy - simply remove and replace four screws Includes: Protected docking case Auxiliary connector Assorted adapter inserts for iPod Photo (20GB, 30GB, 60GB), iPod Mini, 4th Generation iPod with Click Wheel, 3rd Generation iPod with Touch Wheel and Buttons