Plug-in, play and enjoy better audio performance with USB convenience.Ideal for desktop, notebook and netbook computers, the Manhattan Hi-Speed USB Stereo Sound Adapter instantly creates microphone-in and audio-out ports through any USB-A port. Easily connect headsets, microphones and speakers equipped with 3.5 mm cables that are too short to comfortably reach ports with awkward or inconvenient locations. With Plug and Play and hot-swap capabilities, it easily replaces inoperative sound cards, bypasses damaged audio ports and improves access without special drivers or software. A built-in Class-B power amplifier utilizes USB bus power, eliminating the need for external energy supplies or additional cables. Audio support, 2.1 stereo sound and built-in sound effects with a 10-band equalizer deliver rich, high-quality experiences with familiar USB convenience and functionality.