... Micro SD slot, it can be connected with MP3, MP4 This mini speaker has compact size and ... and Micro SD slot, it can be connected with MP3, MP4, Phones, iPod, and PC, to play ... perfect for most electronic devices like MP3, MP4, Music Phones, iPod, Portable CD Players, Notebook PC etc.Bottom ... including: 1 * USB cable1 * User Manual Digital portable Speaker MP3 Player Micro SD TF Card FM Radio sound box