Features: Plug in your favorite guitar and turn your PC or Mac into a guitar amp and recording system without the need for any other equipment. The Stereo Headphones output allows you to jam from your computer and can also be used to monitor with active monitor speakers. Works directly with your PC or Mac, comes with very low computer waiting times. High-quality components and an extremely robust design ensure a long service life. Variable speed file playback function for MP3,WAV,AIFF audio files, perfect for easy learning and practice. Easy Plug and Play installation. USB bus power supply – no external power supply required. Specification: Size: 6.5*35mm Color: Black/Gold Material: Plastic + Nickel Plated Plug Package Included: 1 x Electric Guitar Adapter Note: Please allow 1-3cm error due to manual measurement and make sure you do not mind before ordering. The color of the actual items may be slightly different from the above images due to different computer screen, thanks for your understanding.