when was the first portable mp3 player released
Portable media player The first portable MP3 player was launched in 1997 by Saehan Information Systems,[19] which sold its “MPMan" player in Asia in spring 1998.[20] In mid-1998, the South Korean company licensed the players for North American distribution to Eiger Labs, which rebranded them as the EigerMan F10 and F20.[21] The flash-based players were available in 32 MB or 64 MB (6 or 12 songs) storage capacity and had a LCD screen to tell the user the song currently playing.
iPod The iPod is a line of portable media players and multi-purpose pocket computers[2] designed and marketed by Apple Inc. The first version was released on October 23, 2001, about ​8 1⁄2 months after the Macintosh version of iTunes was released. As of July 27, 2017, only the iPod Touch remains in production.[3]
Palm (PDA) Pilot was the name of the first generation of personal digital assistants manufactured by Palm Computing in 1996 (by then a division of U.S. Robotics).
iPod The iPod is a line of portable media players and multi-purpose pocket computers [2] designed and marketed by Apple Inc. The first version was released on October 23, 2001, about  8 1⁄2 months after the Macintosh version of iTunes was released. The most recent iPod redesigns were announced on July 15, 2015. As of July 27, 2017, Apple has discontinued manufacturing all models except for the iPod Touch.[3]