This microphone to USB cable is designed to send mic signal to computer pc for recording and edditting. You can use it to recording microphones, electronic organ, and other devices with xlr output. Simply plug in your instruments or microphones and you can start recording high quality digital music easily Quality digital sound. Embedded A or D convert with audio signal boost Red indicator light when signal is being transmitted. Simple plug and play connection without additional driver, Compatible PC system includes Vista or 7, OS. Interface: USB 2.0 Resolution: 16bit 48 or 44.1 KHz S Ratio: 83dB Dynamic Range: 80dB Input Impedance: 1Mohm Frequency Response at 48KHz: 20-19 KHz Signal Input Range: 0-2.8Vpp Signal Boost Gain: and20dB Cable Length: 3 meters Colour: black Material: PVCandmetal Package Contents: 1 x XLR to USB Adapter Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.