... 3. 30pin 4.Welcome OEM,ODM iPhone docking stationP/N:CEA30DS01Introduction:This is a Docking Station for iPhone 3, iPhone 3GS, and iPhone ... 4. You can connect it to an Amplifier Receiver or Stereo Speaker using ... one piece of stereo audio cable to play music from iPhone 3G, iPhone 3GS and iPhone 4.The Docking Station ...