Mo1 Mini USB SpeakerPeak power: 5WOutput power: 3Wx2Frequency response: 90Hz-20HzImpedance: 4nhmPower: 5V(USB)Sensitivity: 600��100mVDistortion degree: 90Hz-20HzSignal to noise ratio: 80dBProduct size: 87x87x70mmProduct weight: 305gProduct package: 1 pair Mo1 mini usb speaker