-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: 2 inches*2Output power: 3W*2Impedance: 4Ω*2Input sensitivity: 700mv±50mvFrequency response: 300Hz-20KHzPower supply: DC-5V-1ASeparation degree: ≥35dBSize: 330*70*75 mmCable length: 1.3m