Perman Mini Portable USB 2.0 Clip Digital MP3 Music Player Rechargeable Support 8GB SD TF Card Black 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. Headphone Jack: 3.5mm stereo Jack. Support Language: English, Chinese. Supports USB 2.0/1.1. Support 2/4/8GB Micro SD/TF card (Memories are not included) Plays mp3 music. Simply copy/paste the mp3 files from your PC to the MP3 player and you are ready to go. Slick stylish design in a compact case with clip. Can also be used as a Micro SD/TF card reader. Build-in Li-ion rechargeable battery, directly connect with PC for recharging.