Andrea's patented Beam forming technology and digital noise reduction audio software picks up the user's voice while eliminating the background noise. The Superbeam earbud is designed for hi-fidelity sound quality and compatible with speech recognition software . Superbeam feature an exclusive bass-reflex ported earphone housing design, which produces rich bass. Andrea SB205 assures an optimum physical comfort with a soft, comfortable earpiece that helps to block unwanted noise while channeling sound directly into your ear. For increased convenience, no need to always manually position boom microphone for proper close talking operation. This device also records in 3D surround sound for music and video recording application . Andrea SB205 Features: In the Ear Headset, Dual Earpiece, Noise & Echo Canceling Microphone, USB Connection, Lightweight Comfortable Design, Earphones Bass Expansion, DSDA Adaptive Beam Forming&trade, PureAudio Noise Reduction, USB Digital Audio Adapter&trade, Binaural 3D Surround Sound Recording, AudioCommander Software, Superbeam Earphones, Compatible w/ Win XP/Vista/7 & Mac OS9/10"