 The fifth generation iPod Touch, as well as the iPhone 5, iPod Nano (7th generation), iPad (4th generation), and iPad Mini feature a new dock connector named Lightning, replacing the 30-pin Apple dock connector which was first introduced by Apple in 2003 on the third generation iPod.The Apple Lightning connector has eight pins and all signaling is digital.The new connector also can be inserted either way, unlike the 30-pin connector which can only be inserted in one way.