inputs.text: job - item simply exactly says docking stations ipads daughters iphone 3 itouch iphone 4 ipads 1st gen original apple case fit great radtech extender remaining devices listed otter boxes radtech works great bose system 2 philips systems 2 rsa systems docking stationsmp3 players interchangeable different apple devices one piece advice not negative something think radtech extender put device quite bit higher would otherwise needed otter boxes docking station backless smalllow thing right behind docking pin device lean make sure device still lean wont radtech place stick great product