Pacoco Cute Hamburger USB Mini MP3 Player Support 32GB Micro SD TF Card With headphone Headphone Jack: 3.5mm stereo Jack Music Equalizer: Natural, Pop, Rock, Classic, Jazz, Soft, DBB Supports USB 2.0/1.1 Support 2/4/8/16GB/32GB Micro SD/TF card Plays mp3 music. Simply copy/paste the mp3 files from your PC to the MP3 player and you are ready to go.