... 2.USB/SD card slot Digital portable Mini speaker for Iphone, computer,CD, MP3 & Mp4 mini speaker, ... speaker, computer 2.0 speaker, notebook speaker, portable speaker, promotional speaker,Promotion gift speaker. Description ... with new concept integral stereo portable mobile music, connecting your MP3, MP4, CD, DVD, iPod, iPhone ... it well. Digital portable Mini speaker for Iphone, computer,CD, MP3 & Mp4