... . Audio output and Sync 3. CE, FCC,ROhS approval. 4.OEM&ODM For iPhone 4S&iPhone 4 audio mobile phone charging stationModel: BEL-IR005DProduct ... , place iPhone or iPod in the dock to charge the battery.3. Line out port, connect an iPhone or iPod av cable ... play music from iPhone or iPod.Compatible with: for iPhone 4S, iPhone 4, Iphone 3GS, iPhone 3,all iPod. For iPhone4S mobile phone charging station