IPod Shuffle on second-generation iPod Shuffles. On October 26, 2006, Apple released an iPod Shuffle Reset Utility that corrected this problem for some owners of first-generation iPod Shuffles. Then, in March 2007, an updated iPod Reset Utility was released which can also address similar problems with second-generation iPod Shuffles. Unlike most other portable audio players, the third-generation iPod Shuffle's controls are situated on the packaged headphones. The user is unable to control the device unless they use either Apple headphones designed for it, or third-party headphones or adapters that must be licensed by Apple. The third generation iPod Shuffle's headphones contain a
IPhone placement of the microphone and speaker on the base on the unit—the speaker is on the right. Volume controls are located on the left side of all iPhone models and as a slider in the iPod application. The 3.5mm TRRS connector for the headphones is located on the top left corner of the device for the first five generations (original through 4S), after which time it was moved to the bottom left corner. The headphone socket on the first-generation iPhone is recessed into the casing, making it incompatible with most headsets without the use of an adapter. Subsequent generations eliminated