The Guitar Bass 1/4" 6.3mm to USB Link Connection Instrument Cable Adapter for PC/MAC Recording in itself owns sound card and works with computer without additional drivers. Just plug in your instrument or microphone， electronic organ and so on， then you can start recording high quality digital music works easily. There&acute;s no need for any additional equipment. Red indicator light flashes to tell you that the signal is being transmitted. Don&acute;t hesitate to buy now!                                    Features             Plug-and-play， easy to install<br> Integrate sound card in the cable， no need for additional drivers<br> Embedded A/D convert with audio signal boost<br> Let you easily record high quality digital music works<br> High quality professional shielded cable and 1/4" 6.3mm jack<br> Red indicator light flashes to tell you that the signal is being transmitted <br>                                                            Specifications             Material     ABS    <br> Weight     5.43oz / 154g    <br> Dimeisons     (8.26 x 5.31 x 0.59)" / (21 x 13.5 x 1.5)cm (L x W x H)    <br> Support System     Windows 98/2000/XP/VISTA/Win7/Mac OS X    <br> Compatible with     USB2.0    <br> Color     Black    <br> Jack Size     1/4&acute;&acute; 6.3mm       <br>                                                             Package Includes            1 x USB Guitar Cable<br>