USB Rechargeable Mini Screen-Free Clip MP3 Player with Micro SD/TF Card Slot - Blue USB Rechargeable Mini Screen-Free Clip MP3 Player with Micro SD/TF Card Slot - Blue The product is a USB Rechargeable Mini Screen-Free Clip MP3 Player with Micro SD/TF Card Slot - Blue, it Support Micro SD/TF card up to 8GB, Built-in 100mAh rechargeable lithium-ion battery