The USB Audio Capture device allows you to capture high-quality audio files directly via USB. It can record from an analog audio source to digital formats such as MP3, WMA, and WAV. The device comes with professional audio editing software, Audacity, which provides the best editing functions. It is compatible with Microsoft Windows XP/Vista/7/8 and MAC OS. The package includes a USB Audio Capture device, a 3.5mm audio connector, and a Quick Installation Guide. To use, simply insert the CD-ROM to install the application software, connect the device to an analog audio source and your computer, and open Audacity to capture and edit audio.