After Walkman's, but before smartphones, there were MP3 players. Did you have one? : r/GenX
Amazon.com: Mp3 Player, Portable Mini MP3 Music Player with Headphone and USB Cable, Back Clip Lossless Sound Music Player for Kids Adults, Support up to 32GB(Silver) : Electronics
SanDisk Clip Jam MP3 Player with MicroSD Card & FM Tuner, 8GB | Western Digital
Portable USB Digital MP3 Music Player Mini Audio Recorder FM Radio Sport Outdoor | eBay
Portable USB Digital MP3 Player LCD 32Gb Fm radio - YouTube
MP3 Music Player, Plug And Play Voice Recorder Easy To Operate USB 2.0 With LCD Screen For Home - Walmart.com