-RAINBOW BACKLIGHTUnique cabinet symmetrical colorful with multiple lighting effects -VOLUME ADJUSTMENTThe knob has volume adjustment for convenience-STEREO SOUNDExcellent audio quality with powerful bass sounds and clear trebleSpeaker size: 3 inches+2 inches*2Output power: 5W + 3W*2Impedance: 2Ω+4Ω*2Input sensitivity: 700mv±50mvFrequency response: 150Hz-20KHzPower supply: DC-5V-1ASeparation degree: ≥35dBMain machine size: 110*131*158 mm Secondary machine size: 67*79*98 mmCable length: 1.2m