- Easy Plug and Play Installation<br />- USB bus powered-Requires no external power<br />- Stereo Headphone output lets you jam with your computer and can also be used for monitoring with active monitor speakers<br />- Plug in your favorite guitar and turn your PC or Mac computer into a guitar amp and recording system without the need for any other hardware<br />- High-quality components and exceptionally rugged construction ensure long life<br />- Variable-speed files playback function for MP3， WAV， AIFF audio files' perfect for<br />easy learning and practicing<br />- System Requirements: MacOS 8.5， 8.6， 9.x， OS X， Windows XP SP2， Windows Vista<br />                                                                                                                                Dimensions: 3.78 in x 2.01 in x 0.94 in (9.6 cm x 5.1 cm x 2.4 cm)<br />Weight: 5.61 oz (159 g)