2015 Music Angel Rechargeable Mini Party Travel Speaker with Micro SD Slot Green Mini Music Angel plays rich audio from any device with an ordinary headphone jack | This compact cube includes two speakers outputting crisp, clean, loud, rich audio for your listening pleasure Simply change inputs by pressing the play/pause and volume buttons | Listen to music on the go by downloading it onto a Micro SD Card (not included) which plugs conveniently into the speaker box Simply change inputs by pressing the play/pause and volume buttons. Listen to music on the go by downloading it onto a Micro SD card which plugs conveniently into the speaker box.