... /SD card slot Digital portable Mini speaker for Iphone, computer,CD, MP3 & Mp4 mini speaker, computer speaker, speaker,mini computer speaker, usb computer ... design makes tone performance perfect.2. Mini audio box with new concept integral stereo portable mobile music, connecting your MP3, MP4 ... original packing, but we will pack it well. Digital portable Mini speaker for Iphone, computer,CD, MP3 & Mp4