Visit Amazon sites : http://www.amazon.com/gp/product/B0046QZL76?tag=gallianostore-20<br /><br />Omicron G-ViB 3 Tubus USB Portable Speaker Black<br /><br />Speaker Diameter 35mm <br />Frequency range 100-20K Hz Import Impedance 4 K <br />Import Sensitivity 600 MV <br />Power Supply USB or 4 AAA batteries <br />Remote Control Distance 10 ft
