The iPod Nano is a small, portable media player designed by Apple Inc.. First introduced in 2005, it allows users to store and play music, podcasts, and audiobooks. The device features a compact design, making it easy to carry, and it comes with a colorful screen for navigation. Over the years, the iPod Nano underwent several design changes, including different sizes and shapes. It supported various file formats and included features like a built-in FM radio and a pedometer for fitness tracking. The last model was released in 2015, marking the end of the iPod line as Apple shifted focus to other devices.