Specifications:
<br />Output Power: 3 W
<br />Impedance: 4 OHM
<br />Frequency Range: 90Hz - 20KHz
<br />SNR:   60dB
<br />Distortion:   0.3%
<br />Power Supply: USB / DC5V
<br />Size: 57 (diameter) * 57 (high) mm
<br />Packing Size ( L * W * H ): 210 * 65 * 70mm
<br />Power Supply: USB / DC5V
<br />Speaker: 2 channel speaker system
<br />Passive and Active: Active
<br />The audio interface: USB audio interface
<br />Apparent parameter box size: 205 * 30 * 25mm
<br />Color: Red, Black
<br />Material: Plastic 
<br />
<br />Package:
<br />1 * Notebook USB Sound Bar
<br />1 * Rubber Base
<br />1 * Notebook Folder
<br />1 * Manual
<br />1 * Warranty Card