Product Name: USB Microphone Link Cable Product material:ABS&Metal Product color: black Product size:35cmx2cmx1cm Product weight:180g Package Contents: 1x USB Microphone Link Cable Feature: 1This is an USB microphone cable with its own sound card and can be compatible with a computer without additional drivers. Simply plug in your instruments or 2microphones and you can start recording high quality digital music easily Quality digital sound 3Embedded A/D convert with audio signal boost Red indicator light when signal is being transmitted 4Simple plug and play connection without additional driver Product Specification: Supported OS: Windows Vista/7, OS 5Interface: USB 20 Resolution: 16bit 48/441 KHz S Ratio: 83dB Dynamic Range: 80dB Input Impedance: 1Mohm Frequency Response at 48KHz: 20-19 KHz Signal Input Range: 0-28Vpp Signal Boost Gain: +20dB Cable Length: 3 meters