MODERN DESIGN• MULTIMEDIA SPEAKERS• 5 V. USB POWERED• VOLUMEN CONTROL• SUPPORT NOTEBOOKS/PC/MAC/MP4/MP3/PDA- JACK: 3.5 MM MINI PLUG- RMS: 3WX2• COLOR: BLACK AND DETAILS IN RED- DEIVE UNIT: 032MM*2; 12 OHMS• FREQUENCY RANGE: 100-20KHZ