A USB Audio Adapter to plug-in, play and enjoy better audio performance Ideal for desktop, notebook and netbook computers, the Manhattan USB Audio Adapter instantly creates microphone-in and audio-out ports through any USB port. The adapter's 3.5 mm ports securely hold plugs for headsets, microphones and speakers so you can work — and play — with confidence. With plug-and-play and hot-swap capabilities, this USB Audio Adapter can fully replace an inoperative sound card, bypass a damaged audio port or generally improve access to your device's audio capabilities without special drivers or software. A built-in Class-B amplifier uses USB bus power to deliver high-quality sound, so there's no need for external power 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.