<div> </div> <h3> <span style="color:#0066cc;"><em><strong>Stylish Sleek Design high quality sound excellent 3D bass effect easy to store carry and use. USB powered volume control 3.5mm audio jack connector.</strong></em></span></h3> <ul> <li> Max power: 3w*2 watts</li> <li> Sensitivity: 60DB</li> <li> Impedance: 4 Ohms</li> <li> Frequency Response: 90HZ-20kHZ</li> <li> Product material: ABS</li> </ul>