დინამიკი Marvo Havoc20 Wired Gaming speaker (SG-285 BK) | USB powered with a 3.5mm audio jack | Two modes with 2.0 speaker Wired speaker Volume RGB 5 lighting modes Handy volume knob | 3W*2 size 15.7*8*6CM Frequency 150 Hz - 20KHz Connectors DC 5V