IPod games are in the form of .ipg files, which are actually .zip archives in disguise. When unzipped, they reveal executable files along with common audio and image files, leading to the possibility of third party games. Apple has not publicly released a software development kit (SDK) for iPod-specific development. Apps produced with the iPhone SDK are compatible only with the iOS on the iPod Touch and iPhone, which cannot run clickwheel-based games. All iPods except for the iPod Touch can function in "disk mode" as mass storage devices to store data files but this may not be the default behavior.
IPod Shuffle an event to formally introduce the iPhone 5, as well as a new iPod lineup, and the iPod Shuffle remained unchanged except for seven new color options (silver or black with a black control pad or green, blue, pink, yellow, and purple with a white control pad), as well as a Product Red edition model with a white control pad. Unlike the second generation, the iPod does not come with a dock, but like the third generation, comes with a 45 mm USB Cable. The included in-box headphones do not feature the remote control, but the device supports them. On