PC 2.0 speaker. RGB lights. Connection: 3.5mm + USB (for feed). Power: 5W x 2. Volume control. Signal/routing ratio: < 65dB. Impedance: 4 Ohm. Frequency response: 200 Hz - 18KHz. Feed: USB 5V. Cable length: 1.0 m. Dimensions: 7.2 x 8.2 x 12 cm.