The dock connector provides a standard electrical interface and communication protocol for accessories to charge, control and interact with both iPhone and iPod.Made for iPod and Works with iPhone Licensing program
Participate in the Made for iPod licensing program to develop accessories that attach to the dock connector. Licensed developers will receive technical specifications describing the required connectors and components, and detailed documentation on the communication protocol used to interact with iPhone and iPod.
Made for iPod means that an electronic accessory has been designed to connect specifically to iPod and has been certified by the developer to meet Apple performance standards.
Look for the "Works with iPhone" logo to find electronic accessories designed to connect specifically to iPhone and certified by the developer to meet Apple performance standards.
Technical Support and Compatibility
Licensed developers have access to Developer Technical Support and ADC Compatibility Labs to assist in product development and testing.