Mini Perman Portable USB 2.0 LCD Screen Metal MP3 Music Player Support 32GB Micro SD TF Card Green Material: Metal. Size: 4.8cm x 3cm x 1.5cm - 1.87" x 1.17" x 0.59". Need to use a micro SD card. Display: Mini LCD screen. Headphone Jack: 3.5mm stereo Jack. Music Equalizer: Natural, Pop, Rock, Classic, Jazz, Soft, DBB. Support Language: English, Chinese. Supports USB 2.0/1.1. Support 2/4/8/16GB/32GB Micro SD/TF card (Memories are not included). Can also be used as a Micro SD/TF card reader. Plays mp3 music. Simply copy/paste the mp3 files from your PC to the MP3 player and you are ready to go. Build-in Li-ion rechargeable battery, directly connect with PC for recharging.