Discontinued replaced with audio478 Digital signal processing provides enhanced sound quality in this comfortable, foldable stereo USB headset. A noise-canceling microphone and wideband acoustic echo cancellation capture a broader range of voice signals for calls that are clearer and more natural sounding. The acoustically tuned equalizer supplies rich, resonant stereo sound and optimizes voice response to clearly hear vocal tracks when listening to music, watching a movie or playing a video game. USB plug-and-play connection means there is no software to install. With a comfortable, lightweight fit and easy-to-use inline controls, the .Audio 476 DSP is the perfect headset for on-the-go audio needs. Features: Intuitive folding design for on-the-go convenience DSP provides wideband acoustic echo cancellation for clear calls Digital equalizer optimizes 24-bit hi-fi stereo sound for enhanced listening Noise-canceling microphone for clear conversations Soft foam ear pads and lightweight materials for a comfortable fit USB connection provides true plug-and-play ease Easy-to-use inline controls for volume and mic mute Replaces the Plantronics .Audio 470