The iPod is a discontinued series of portable media players and multi-purpose mobile devices that were designed and marketed by Apple from 2001 to 2022. The first version was released on November 10, 2001, 10 months after the Macintosh version of iTunes was released. Apple has sold an estimated 450 million iPods. Apple officially discontinued the iPod product line on May 10, 2022. The iPod is the longest-running product discontinued by Apple, with a total lifespan of over 20 years.