... mini music speaker with USB cable for laptop & mobile phone 2.Through CE/RoHS certificate 3.Stereo sound, quite clear Minitype speaker with USB cable ... and subtraction; selections, by the heads of - head control .* USB: mini 5P interfaces line in + power * Line out: 3.5mm standard ... 360*375 mm Application: MP3 ,MP4,computer,mobile phone,etc. mini music speaker with USB cable for laptop &mobile phone