Mini Speaker Digital Music MP3/4 Player Micro SD/TF USB Disk Speaker FM Radio
Main interfaces: 1 Micro SD /TF card slot, 1 USB 2.0 port, 1 mini USB power port, 1 3.5mm audio input, 1 3.5mm audio output. Micro SD/TF card slot design: it is able to read the data and storage music files from inserting TF card directly.