... *85mm 3).1 year warranty 2.0 mini portable speaker for your notebook ,computer ,mp3,mp4,computer, ... supply:USB 5V6.IC:2*8002 Function 1.Mini speaker,good qualiy,fashion,portable. 2.Universal ... design,graceful appearance and smooth lines, suit for business gift5.Only one control cable with built ... and amplifer circuit needed, easy to operate6.Support for laptop, desktop, MP3, MP4, tape recorders, learning ...