Specifications Frequency Range: 20Hz-20KHz Distortion Rate: 1% Impedance: 32Ω Sensitivity: 110dB Horn Diameter: 40Φ Horn Type: 27174 Magnetic Drivers Material: ABS+Leather+Sponge Color: Red, Blue(Optional) Interface: USB+3.5mm Stereo Length: Approx. 2m LED Light: Red, Blue(Optional) Item Size: Approx.21*18.5*8.5cm/8.26*7.28*in Item Weight: 269g/9.49oz Package Size: 22*19*10cm/8.66*7.48*3.93in Package Weight: 275.5g/9.72oz