DX official video of this product: http://www.youtube.com/watch?v=kjVeWFZQNV4  ? - Model: IP-309<br /> - Color: Black<br /> - High quality sound performance<br /> - Built-in microphone and volume control<br /> - Comes with clip and extensive cable (120cm)<br /> - Cable length: 120cm<br /> - Compatible with all multimedia devices has 3.5mm audio jack、 great for your PC、 laptop or cell phone etc<br /> ? <p> </p>                                                                                                                                Dimensions: 0.00 in x 0.00 in x 0.00 in (0.0 cm x 0.0 cm x 0.0 cm)<br />Weight: 4.51 oz (128 g)<br /><br />