Because Apple doesn’t release new iPod Touch models as often as it does the iPhone, it may seem like the iPod Touch is often stagnant. But that’s not the case.
Review every iPod touch! RIP iPod
The 4th generation iPod Touch introduced some significant improvements to the device. While it doesn’t have as many ports and buttons as the iPhone, it still has a lot of hardware features to learn about. Knowing what each one does will help you get the most out of your iPod Touch.
There are a couple of other interesting hardware features of the iPod Touch that are worth knowing about. They are not shown in the image above because they are internal to the device.