Q: how do i use it to record my voice for a sound file
A: Easy Just make sure it installs the drivers and You can check to make sure its installed to record or use it has a sound capture just go into your program settings and change it to your usb Microphone or change your default input Device By going to Control panel and finding sounds settings and change the input device to your usb Microphone. Hope it works -TornadoChas3r