Convey the feeling and benefit of listening to music on the go, wirelessly! The ROKR series started with the E1, which was the dubbed the iTunes phone as it was the first phone connecting to Apple’s iTunes Store (before there even existed an iPhone). The Z6 music phone was a later model but still built around the premise of enjoying music when out and about. Especially with the benefit of listening to it with the S9 stereo headset and the advantages of wireless entertainment.