Blackweb 2.0 Powerful Speaker System with AUX-in jack for PC, NB, MP3 and other 3.5mm audio devices 2.5W x 2 Front controls for volume and bass Headphone jack for private listening Blue LED indicating power on AUX-in jack for PC, NB, MP3 and other 3.5mm audio devices Output Power: 2.5W x 2